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Industry’s Smallest 800MHz STM32MP1 Module Shortens Design Time with New Suite of Tools

Posted on by mixos

Octavo Systems OSD32MP15x System In Package Releases into Production with Higher Performance and Two New Development Platforms

Octavo Systems, an ST Authorized Partner, has expanded its support of the OSD32MP15x System in Package, the smallest available STMicroelectronics STM32MP1 module, with a production release at speeds up to 800MHz, and two new development boards.

OSD32MP15x System in Package In Production at Speeds Up to 800MHz

The OSD32MP15x System in Package has entered full production and can be ordered through Octavo Systems distribution partners now for delivery by the end of March. The OSD32MP15x, already shipping to customers for engineering development, integrates the STM32MP1 Dual Core Arm® Cortex® A7 + M4 microprocessor, up to 1GB of DDR3L RAM, STPMIC1A Power Management IC, EEPROM, MEMs Oscillator, and over 100 passives into a production cost saving, BGA Package.  The OSD32MP15x provides complete access to all the features and performance of the STM32MP1, including the recently announced 800MHz clock speed, while removing tedious tasks like DDR routing and power sequencing. At 18mm x 18mm, the OSD32MP15x is up to 64% smaller than an equivalent system made from discrete components.

“The Octavo Systems OSD32MP15x SiP solution delivers MPU performance while allowing customers to remove complexity from their designs thanks to the MCU-like implementation, so they can focus on the value-added features of their applications,” said Ricardo De Sa Earp, General Manager of the Microcontroller Division, STMicroelectronics. “The OSD32MP15x SiP’s small size makes it ideal for space-constrained environments, while also optimizing system cost thanks to the ability to use 4 layer PCBs.”

Features

  • Integrated into a single BGA Package:
  • ST32MP15x Features:
    • Arm® Cortex®-A7 up to 800MHz x2
    • Arm® Cortex®-M4 up to 209MHz
    • NEON™SIMD Coprocessor x2
    • TrustZone®
    • USB 2.0 HS + PHY x2
    • Ethernet 10/100/1000
    • CAN FD/TTCAN x2, UART x4, USART x4,SPI x6, I2C x6, SAI x4, QSPI, SPDIF, I2S x3
    • eMMC/SD/SDIO Ports x3
    • GPIO x148
    • 24-bit RGB Display, MIPI DSI
    • Camera Interface
    • 22 Channel 16-bit ADC x2, 12-bit DAC x2
  • Access to all signals of the STM32MP1 TFBGA 361 package
  • STPMIC1 Power Management IC Features:
    • Single Voltage Input: 2.8V-5.5V
    • Integrated Boost: 5.2V
    • System Power: Buck LDOx4, Power Switch x2
  • 302 Ball BGA (18mm x 18mm)
  • 16 x 16 grid, 1mm Pitch
  • Case Temp Range: 0° to 85°C, -40° to 85°C

OSD32MP1-BRK Flexible Prototyping Platform

Octavo Systems also announced two hardware platforms to speed customers’ development with the OSD32MP15x. The OSD32MP1-BRK, a breakout platform, provides easy access to the I/O on the STM32MP1.  The OSD32MP1-BRK features the OSD32MP157C-512M-BAA System in Package, a microSD card, 32KHz crystal, a USB port, and 2 2×30 100 mil (2.54mm) spaced headers. “The OSD32MP1-BRK provides designers a completely flexible prototyping platform.  By maximizing the number of I/O that are brought out, designers can quickly build a proof of concept that more closely matches their actual system without creating their own board”, said Erik Welsh, CTO of Octavo Systems. “And since the board uses standard 100 mil headers, designers can prototype everything on a breadboard!” The OSD32MP1-BRK is designed and manufactured by Allied Component Works, LLC, a member of the Octavo Systems partner network.  The product ships in April with all design files freely available on the Octavo Systems web site.

OSD32MP15x Detailed Block Diagram

OSD32MP1-RED Complete Development Platform

The second development platform is the OSD32MP1-RED Reference, Evaluation and Development board.  Developed by Octavo Systems, and shipping in May, it features the OSD32MP157C-512M-BAA SiP, a WiFi and Bluetooth Module, 1GB Ethernet, 8GB eMMC, and HDMI.  The OSD32MP1-RED expands easily by providing connectors that are compatible with Raspberry Pi, MikroElektronika mikroBUS™ Click, and STMicroelectronics Motor Control Header.  The OSD32MP1-RED also provides connectors for a DSI display and a camera.

“The OSD32MP1-RED is a great platform for anyone developing IoT applications or applications needing a high-end HMI,” adds Greg Sheridan, VP of Strategy for Octavo Systems. “With the connectors and peripherals provided the OSD32MP1-RED makes it easy to quickly begin prototyping your system.”

more information: octavosystems.com

Edraw Max and MindMaster Diagram Software Review

Posted on by Emmanuel Odunlade

From Flowcharts to Mind Maps, diagramming is one of the easiest ways to map out thoughts, develop algorithms, and illustrate processes in a way that is easy for others to understand. For engineers and developers, diagramming provides an easy way of expressing, developing, exchanging, and documenting technical ideas, in a way that is easy for other engineers and non-technical third parties to follow.  Several software tools exist for different kinds of diagrams, and with each one offering a “unique” advantage over the other, selecting the right one to use could be quite the challenge for non-populist users. This is why for today’s review, I will show two diagramming tools that I recently had the opportunity of using; the Edraw Max and Edraw MindMaster

Edraw Max

Edraw Max

Developed by Edrawsoft, Edraw Max is an all-in-one diagramming tool with several features and massive amount of professionally designed templates and symbols that allow users create more than 280 different types of diagram and illustrations like; infographics, flowcharts, fishbone diagrams, UML diagrams, design floor plans, and office layouts to mention a few, in a fast, reliable, and easy-to-share manner.

Some of the diagrams and visualization types that can be created with Edraw Max are listed below.

Flowchart • Org Chart • Mind Map • Floor Plan • Electrical Diagram • Network Diagram • Science Diagram
• BPMN • P&ID • Poster • Chart and Graph • Fishbone Diagram • Graphic Organizer • Fire Escape Plan
• Concept Map • Gantt Chart • Flyer • Business Card • Map • Wireframe • Fault Tree Diagram
• Workflow • Fashion Design • Business Diagram • UML Diagram • Circular Chart • Value Stream Map • Architecture Diagram
• Infographic • Presentation • Business Form • ER Diagram • Card • Wiring Plan • Venn Diagram

Unlike most other diagramming software, Edraw Max has robust file compatibility features that allow users to import and export your drawings in a variety of familiar file formats like PDF, Word, Visio, PPT, JPEG, and HTML to mention a few, ensuring you can share your work in a manner that is easy for others to view, even if they don’t have the software.

As the nature of creative jobs becomes more remote in nature, Collaboration and OS-independence are some of the most important features of any software, and the guys at Edrawsoft understand this, as software comes with cloud storage which ensures you and your team members can work on the same project, remotely, without the need to share files around. Also, EdrawSoft recently released the Edraw Max online of the Edraw Max which possesses the same powerful features available to the software version, but with the ubiquity of the internet which allows it to be used anywhere, and on any device without OS restrictions, or the need to install the software. So you can start creating the project on your home computer, and finish it on your office computer without installing any additional software.

Edraw Max used to design a circuit schematic

The user reviews for Edraw Max are absolutely stunning as it has found its way into the hand’s different categories of professionals, from business analyst using flow diagrams for mapping out business processes to developers creating UML diagrams.

Edraw MindMaster

While a mind map is one of the drawing types that can be created using the EdrawMax, EdrawSoft has another software called; MindMaster, which was specifically developed for the creation of mind maps.

MindMaster is a versatile, user-friendly, collaborative, and professional mind mapping tool for Structuring Knowledge, Ideas, and plans.

To provide versatility and stimulate creativity, MindMaster comes with seemingly endless customization and personalization features that allow you to tailor your mind maps to your specific needs. For instance, In addition to a traditional radial map structure, MindMaster comes with 12 different additional structures including; bubble maps, timeline maps, and circle maps, to mention a few, all just to provide you with the right kind of structure you need to document your thoughts. Asides the structures, MindMaster also comes with as much as 33 themes, to make your maps unique, and 700+ readymade stylish clipart’s to decorate your maps and make your creative ideas easy to follow/visualize.

There is also a MindMaster online version available.

For each node on the mind map, MindMaster allows creators to add several descriptive information like callouts, relationships, summaries, marks, notes, hyperlinks and so on, to help you remember the role of that node and also help communicate with collaborators.

The collaborative and cloud storage features of MindMaster also enable an intriguing feature of the software called; the brainstorming mode. This mode allows you to conduct group brainstorming sessions effectively, recording ideas with different colors in one plane, and moving them to another plane after deliberation to create a mind map.

Showing an understanding of the fact that thoughts are only important if they turn into action, MindMaster allows users to, with one click, convert the mind maps into a Gantt Chart, via the Gantt Mode feature. The mode allows the creation and tracking of tasks from the mind map items and also allows editing of task information like start and end dates.

Like Edraw Max, MindMaster allows users to export their mind maps in a variety of file formats like Docx, PDF, Evernote and diverse Graphics format. It also allows direct export of the Mind Map as a PowerPoint presentation.

Keeping in tune with EdrawSoft understanding of the need for collaboration, MindMaster is available on multiple platforms, including PC, tablet, mobile, and web with features that facilitate collaborative/team-based mind map development across all of them.

More information on EdrawMax and MindMaster can be obtained from www.edrawsoft.com.

Minimal ATmega4809 on a Breadboard

Posted on by mixos

David Johnson-Davies published a new project on his personal blog. He shows us how to build a minimal microcontroller on a breadboard based on the ATmega4809, the microprocessor used in the latest AVR-based Arduino boards. It includes a USB-to-serial converter so you can connect it to your computer’s USB port and program it from the Arduino IDE. He writes:

Arduino’s successors to their classic Arduino Uno board are the Arduino Nano Every [1] and the Arduino Uno WiFi Rev2 [2]. These are based on the ATmega4809 [3], one of Microchip’s AVR processors from their new 0-series ATmega range. As well as having more program memory and RAM than the Arduino Uno’s ATmega328P, the ATmega4809 has some interesting new features, including a 20MHz clock, an event system, and configurable custom logic.

One of the attractions of the old ATmega328P was that it was available in a DIP package, making it ideal for prototyping. Microchip’s latest range of AVR processors aren’t available in DIP packages, with one exception: the ATmega4809 [4]. Coupled with their MCP2221 USB-to-serial chip, which is also available in a DIP package [5], you can make a complete microcontroller on a breadboard that connects straight to a USB port, and can be programmed from the Arduino IDE just like other Arduino boards.

Although you can program an ATmega4809 chip directly, via UPDI, for developing programs it’s much more convenient to install a bootloader, and then program via the serial interface. This has the added benefit that you can use the Arduino Serial Monitor for reading input and printing out values while debugging.

I describe two alternatives here; using an FTDI USB-to-serial converter board, and using an MCP2221A USB-to-serial chip.

Minimal ATmega4809 on a Breadboard – [Link]

UPDI programmer compatible with Arduino IDE

Posted on by mixos

Antti Mäntyniemi designed this board, which is a UPDI programmer that utilizes Arduino IDE to program AVR microcontrollers. This kind of programmer is used to programm the new 0-series and 1-series ATtiny mcus using Arduino IDE.

The project files are available on github.com so you can build your own programmer.

Bluetera II – full-stack dev board that uses protocol buffers for motion-based IoT applications

Posted on by mixos

Many of our clients face a common challenge when undertaking IoT projects. They are experts in their own fields, and most of of them have a great idea, a proof-of-concept (PoC), or a sophisticated algorithm that addresses some specific need. They have simulated their solution in Matlab or Python and are eager to build and test a minimum viable product (MVP).

Unfortunately, designing a physical IoT device – or even prototyping one – is no easy task. Our experience has demonstrated that designers have a genuine need for a common, extensible, user-friendly, open source IoT platform that facilitates seamless interaction between the physical and the digital. Which is where we come in.

Our primary focus is on products and projects that sample motion, sense the physical world, and transmit the resulting data over Bluetooth Low-Energy (BLE) to smart devices running Android, iOS, Windows, and Linux. We created Bluetera I by stitching together key functionality, including communication hardware and basic motion sensing algorithms, as a way to provide the missing IoT platform our clients needed.

Bluetera II is the full realization of this same objective. It is open hardware running open firmware that includes motion sensors, power management, communication, and user-facing software – all woven together into a robust infrastructure for rapid IoT prototyping.

Bluetera II Demos

The demos in the video above were created primarily using the Windows-WPF application shown below. (You can find source code for this and other demos in our GitHub repository.)

Features

  • Hardware – A tiny (18 x 18 mm) device with 9-axis motion sensors, an ARM MCU with BLE, battery charging circuitry, and multi-purpose IOs for externals sensors and peripherals
  • Firmware – Open source infrastructure with embedded command and control, motion algorithms with built-in data exchange and IMU control, a BLE stack with an additional Protobuf abstraction layer, power management, and battery monitoring
  • Open Source – Everything, from hardware to firmware to the software running on your mobile device or PC is strictly open-source. No strings attached
  • Motion – 9-axis motion fusion based on the Madgwick Algorithm, which produces rotation data (quaternions) from the 6-axis InvenSense IMU and STM compass. The result is a stable, 1 kHz stream of rotation measurements and raw data.
  • Google Protobuf – A communication abstraction layer that provides a simple yet flexible serial pipe between the physical layer (e.g. sensors) and the digital layer (e.g. your mobile device). Protobuf makes adding new messages and functionality as easy as 1-2-3.
  • Power – A JST socket, a Micro USB connector, battery charging circuitry, and power management firmware allow you to power the device with any small, external Lithium-Ion battery.
  • Extensions – 20 I/Os to support digital and analog peripherals and sensors, I²C, SPI, UART, PWM, and more.
  • USB Type 2 – A Micro USB connector and firmware support for the USB 2 protocol enable fast, wired communication with the host and allow Bluetera II to serve as a BLE dongle.
  • Rapid Development – A breadboard connected to the tiny Bluetera II provides a standard development matrix and facilitates quick and easy prototyping and debugging with external sensors and peripherals.
  • SDK – Simplifies software development, with support for multiple operating systems and platforms, includes APIs, algorithms, and demos. The Bluetera II SDK is compatible with Linux, Android, iOS, and Windows. It also includes a plugin for the Unity 3D development platform.

More information is available on the crowd supply and the product page. Further information about the module schematics, SDK, the firmware is available in their GitHub repository.

Red Pitaya launches the STEMlab 250-12

Posted on by mixos

Red Pitaya has launched a high-end STEMlab platform – STEMlab is a test and measurement environment designed to provide a low-cost alternative to many expensive measurement and control instruments. STEMlab 250-12 offers enhanced hardware performance, complete software control and additional hardware features over  STEMlab-125 products, and is designed to meet the needs of more demanding users for industrial, research, test & measurement and data acquisition applications. Its larger FPGA enables greater real-time processing capabilities, plus faster analogue front and back-end performance. Small and portable, it also offers the benefits of remote access, with a web app user interface accessible through Ethernet or WiFi.

The new STEMlab 250-12 is a two-channel, 250 Msps 12-bit signal acquisition and two-channel 250 Msps 14-bit signal generator module with Zynq 7020 Dual-Core Arm Cortex-A9 CPU and FPGA, 1GB DDR memory and 1Gbit Ethernet connectivity. Accuracy and quality of signal is assured with 12-bit A/D converter resolution, frequency response of ±0.5 dB up to 45MHz and -3dB at 60MHz and channel isolation >60 dB (DC to 100MHz). There are two input ranges of ±1V and ±20V.  Outputs can generate signals ranging from DC to 60MHz frequency, with output voltage ranging from ±5V for a 50O load to±10V for high impedance loads.

STEMlab 250-12

The device also features software control for attenuators, gain and trigger level. There is one trigger input via a BNC connector on the front panel and one reference clock input (10MHz) via an SMA connector on the back panel. Signal capture is fast, with rise/fall time of 13ns input 1/20 and 11ns input 1/1. A range of interfaces that are becoming established as standard interfaces across the STEMlab product range are included on STEMlab 250-12, including USB, SPI, I2C and 16 GPIOs. The device also boasts four additional slow analogue inputs and outputs. PoE is offered on request.

Leon Živec, CEO of Red Pitaya, had this to say:

“The addition of the STEMlab 250-12 builds on our successful, open-source STEMlab range by offering high performance signal capture and analysis, with remote access, at an affordable price point. It can be used as an oscilloscope, spectrum analyser and logic analyser with more applications to be released in future, and extends the Red Pitaya user community to include more demanding users, who can use it as an as an alternative to individual, expensive dedicated instruments.”

For more information, click here.

Meet the PX-Hero, an ARM Cortex-M0+ Based Development Board for Embedded Systems Education

Posted on by Emmanuel Odunlade

Piconomix, the South-Africa based Embedded systems development company, has launched a campaign on Crowdsupply for a new board called; PX-Hero.

The PX-Her0 is a low-power ARM Cortex MO+ based development board that was developed for use in embedded education applications. The board comes with an ecosystem of tools including an open-source C library, and detailed documentation that is designed to serve as a hands-on guide to help users learn embedded system development at their own pace.

The board is based on the  STM32L072RB ultra-low-power, ARM Cortex-M0+ microcontroller with 128kb of FLASH and 4Mbit of serial flash memory using the Adesto AT25SF041 chip, in addition to a spring-loaded microSD card slot which can be used for storage. Showing clear considerations of the need of most beginners, the board comes with a Low-power 128 x 64 monochrome graphic LCD which could be used in teaching how to display data on LCDs, and a LiPo battery charger which makes prototyping battery-based projects easy.

Some specifications and features of the board are provided below:

  • Microcontroller: STM32L072RB ultra-low-power ARM Cortex-M0+
    • 128k FLASH
    • 20k SRAM
    • 6k EEPROM
  • Memory: Adesto AT25SF041 4 Mbit serial flash memory
  • Storage: Spring-loaded push-push MicroSD card slot
  • Serial communication: Rock-solid FTDI FT230XS USB-serial bridge
  • Rich user interface:
    • Low-power 128 x 64 monochrome graphic LCD with LED backlight
    • User LED and battery charger LED
    • Piezo buzzer
    • 6 LARGE finger-friendly user buttons
    • Reset button
  • Peripheral connectors:
    • PWR (+3.6 V to +5 V power bus)
    • ADC x 4
    • DAC x 1
    • GPIO x 8 / PWM x 4
    • UART x 2
    • I²C x 3 (single I²C bus)
    • SPI x 1
  • Power:
    • Li-Po battery charger
    • A zero-burden voltage monitoring circuit
    • Efficient power-path management
    • True power on/off circuit
    • 95% efficient TI LM3670 step-down DC-DC regulator
  • Dimensions:
    • Board: 100 x 80 mm (3.94 x 3.15″)
    • Display active pixel area: 48.6 x 24.9 mm (1.91 x 0.98″) / 54.6 mm (2.15″) diagonal

 

For easy programming, the PX-HERO ecosystem includes a CLI Explorer App (Command Line Interpreter) that creates a “Un*x Shell”-like environment running on the PX-HER0 board so that you can easily experiment with GPIO, PWM, ADC, DAC, I²C, SPI, and 1-Wire using only ANSI/VT100 terminal software. For a more familiar and friendly interface, the PX-HERO is also compatible with the Arduino IDE and native support for it has been added in ArduinoCoreSTM32 version 1.8.0. with the setup process fully documented.

The only downside to the PX-HERO, howbeit, understandable, is the lack of an onboard debugger which according to Piconomix, will increase the board’s power consumption. As such, to provide the fine resolution and insightful view into your firmware, you will need a good in-circuit debugger. To make acquiring the debugger easy and seamless, Piconomix, will be giving backers the opportunity to acquire the STLINK-V3MINI low cost, high-performance in-circuit debugger and programmer for STM32 along with the PX-HERO board.

STLINK-V3MINI Debugger and Programmer

The campaign has raised over $600 so far with close to 36 days to go. It might be a good time to explore it and decide if it’s a good project to back.

More information on the board along with the price and perks can be found on the project’s Crowdsupply page.

Meet I-Pi SMARC, the Industrial-Ready Prototyping Platform from ADLINK

Posted on by Emmanuel Odunlade

One of the major barriers to developing industrial applications is usually the complexity and cost of the development/prototyping platforms. A lot of SOMs, SOCs and board manufacturers, including ADLINK, have taken stabs at this problem with different solutions. Leveraging on the experience with their previous products, ADLINK recently announced the launch of a new product called the Industrial-Pi Smart Mobility Architecture Development Kit (I-Pi SMARC).

The Kit, according to the announcement, was designed to provide engineers/developers with an industrial-ready, low-cost prototyping platform which afforded the flexibility boards like that of the Arduino and Raspberry PI, but with features and hardening that allows it to be used-as-it-is, directly, in industrial solutions, unlike the aforementioned boards.

The I-Pi SMARC development kit contains an I-Pi carrier board, a LEC-PX30 SMARC module, a power supply, a USB programming cable, an SD memory card containing a Linux OS, and transparent acrylic shielding that offers protection but also ensures access to the device’s ports and IOs. The development kit is supported by the ADLINK change control process, thus it provides developers with the freedom to experiment with peripherals and sensors, and develop prototype versions of potential products with the assurance that there won’t be much to change when going from their prototype to final product.

Content of the I-Pi Kit

To make sure developing software for the SMARC is easy, the kit is supported by a hardware abstraction layer (HAL), called MRAA, and a software repository, called Useful Packages and Modules (UPM), both of which are from Intel and help streamline the software development process. The HAL (MRAA)  allows the operating system kernel to interact with the hardware in a general way, instead of at a detailed hardware level, so few or no changes are needed when kernel-mode code is run on different hardware platforms. MRAA simplifies the logic for connecting to different sensor pins and supports platforms like the Arduino and RPi along with programming languages like C++, Python, JavaScript, and Java. The UPM provides access to software drivers and libraries for a wide variety of commonly-used sensors and actuators, which are also available for Arduino and RPi platforms.

An issue I-Pi SMARC also solves for developers is the product Lifecycle management where hardware components change without substitutions being communicated to end-users, leaving commercial products built on it to rot. According to ADLINK, any component or process change to the ADLINK SMARC module will be announced in line with the industry-standard engineering and process notice (ECN and PCN) practices, with a minimum of six months before the implementation.  ADLINK guarantees 10-year availability support with after-sales support and return merchandise authorization (RMA) along with reporting and debugging on production quality issues.

Price information around the Industrial-Pi (I-Pi) SMARC kit is still a bit sketchy but you can find more information about the kit on the Announcement Page and on the recently created but seemingly empty Wiki created for it.

TI AM335x ARM SoM for Gateway Applications

Posted on by mixos

MYIR introduces an Linux-ready industry-oriented MYC-C335X-GW CPU Module powered by TI’s AM335x ARM Cortex-A8 processor (800MHz AM3354 by default) which features PowerVR™ SGX530 for 2D and 3D graphics acceleration.

Measuring only 50mm by 40mm, the MYC-C335X-GW is the fourth AM335x CPU Module designed by MYIR especially for gateway applications. It integrates a DDR3L RAM memory, a Nand Flash or an eMMC Flash, EEPROM and PMIC. Two 0.8mm pitch 80-pin board-to-board expansion connectors are on the back of the module for interconnecting with a base board, thus providing an interface for the base board to carry out most of the I/O signals to and from the CPU module.

MYIR offers MYD-C335X-GW Development Board for evaluating the MYC-C335X-GW CPU Module, its base board has extended a rich set of peripherals and interfaces such as RS485, RS232, USB2.0 HOST, Gigabit Ethernet, SFP, WiFi/Bluetooth, USB based Mini-PCIe interface for 4G LTE Module, Micro SD Card slot, SIM card slot, RGB LCD and LVDS interfaces, JTAG, etc. The MYD-C335X-GW is a complete platform and solid reference design delivered with necessary accessories, detailed documentations, optional Camera and LCD modules which makes it ideal for evaluating and prototyping based on TI’s AM335x microprocessors. MYIR also offers design services to customize the base board or CPU module according to customers’ requirements.

Based on Linux 4.14.67 kernel, MYIR has provided abundant software resources including kernel and driver source code as well as MYIR’ s MEasy IOT Demo to allow customer to get a good experience and development reference.

MYIR offers below standard parts for the CPU Module, other configurations (AM335x processor, RAM, Flash, industrial or commercial grade) can be customized and the CPU Module price can be lower to $26.80/pc according to configuration and quantity.

More information about the ARM SoM can be found at MYIR’s website: http://www.myirtech.com/list.asp?id=629

High efficiency: A multi-mode, forced-frequency-resonant digital controller IC for SMPS applications

Posted on by mixos

Infineon Technologies launches the XDP™ digital power XDPS21071, the first flyback controller in the industry with zero-voltage switching (ZVS) on the primary side to achieve high efficiency. This controller is aimed at fast-charging applications such as USB-PD or QuickCharge. Light-load efficiency is optimized for variable output application.

The XDPS21071 is a high-performance digital flyback controller with an integrated dual-MOSFET gate driver and a 600 V depletion startup unit. The primary-side controller drives a high-voltage external MOSFET in a flyback topology and an external low-voltage MOSFET to create a pulse for achieving ZVS condition at the high-voltage MOSFET. It supports fixed-frequency switching up to 140 kHz.

The patented forced-frequency-resonant (FFR) switching scheme is implemented by means of a digital algorithm, which is configurable via parameter settings (UART port is included) to meet application requirements and the conversion efficiency of international regulatory standards (i.e., EU CoC version 5 Tier 2 and DoE Level VI). Ease of design and system optimization are made possible thanks to the intelligent, self-adaptive multi-mode operation that matches each line/load conditions with the best-fit operational mode (i.e., FFR, CrCM, burst mode) for unparalleled system performance. Hereby ZVS operation enables for lowest switching losses. Highest system performance is achieved by only a minimal adder in BOM cost. This controller comes with adaptive overcurrent protection. It is lead-free and RoHS compliant.

45 W USB-PD SMPS reference design with XDPS21071.

Availability

The XDPS21071 in DSO-12 SMD package is now available. In addition to the controller, a 45 W USB-PD Type-C quick charger reference design (REF_XDPS21071_45W1) will be on offer in March 2020 featuring Infineon’s digital flyback controller XDPS21071, 700 V CoolMOS™ P7 Superjunction MOSFET (IPD70R360P7S), OptiMOS™ PD synchronous-rectification MOSFET (BSC0805LS) and small-signal-MOSFET (BSL606SN).

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