Category: Power
High Side Switch with Input Overvoltage and Overcurrent Protection
The project here is a 48V protected, high side switch designed to switch a 5A output load from input voltages from 8V to 48V. The circuit helps the user to easily ON/OFF the high current and voltage load with over-voltage lockout and over-current protection. The wide input range and low...
Continue ReadingTinyCharger – Single Cell Li-Ion Battery Charger with Monitoring
TinyCharger is an ATtiny25/45/85-based, single-cell Li-ion battery charger with selectable charging current limit (100mA - 1000mA) and an OLED display for monitoring. For battery charging the TP4056 is used. The TP4056 is a complete constant-current/constant-voltage linear charger for...
Continue ReadingHigh Accuracy Adjustable Overvoltage and Overcurrent Protectors using MAX17561
If you need safe power to run your project, then this circuit is a possible solution for you. This project provides protection to your system device against over-current, over-voltage, under-voltage, thermal overload, and reverse current flow control to the system device. Basically,...
Continue Reading“EnerCera” Battery Series helps develop Maintenance-Free IoT Devices
NGK INSULATORS, LTD., announced that it has commenced collaboration with Renesas Electronics Corporation, on promoting the widespread adoption of maintenance-free IoT devices. As the first phase of collaboration, NGK and Renesas jointly-developed a reference design for a wireless air...
Continue Reading18650 LiPo Battery Manager for Remote Applications
The 18650 LiPo battery manager comes with a fuel gauge and a dual-rail power supply. The dual-rail power provides a 5V rail along with a 3.3V rail dedicated to powering the microcontroller and the display ports of the system. It is termed as an “all-in-one single-cell LiPo battery...
Continue Reading60V Input – 5V @ 50mA Output High Voltage Fixed Output Regulator
This is a high voltage regulator project that provides 5V regulated output with a load capacity of 50mA from input supply 10V to 60V. The project is based on the ZXTR1005K4 regulator which is fully integrated into a TO252 package. We have tested this project with 60V DC input, but the...
Continue ReadingMPS taps EPC for 48V GaN DC-DC converter
The combination of MPS (Monolithic Power Systems) controllers with ultra-efficient eGaN® FETs from EPC (Efficient Power Conversion) enable best-in-class power density of 1700 W/in3 in high efficiency, low cost LLC DC-DC Conversion Monolithic Power Systems, Inc. (MPS), a leading...
Continue ReadingApp note: Digital inrush controller
App note from IXYS about their unique digital inrush controller using Zilog’s 8-bit Z8F3281 MCU. Digital control allows distinctive solutions to control inrush current in typical AC-DC rectifier with capacitive load by limiting capacitor pre-charge current to a predetermined value at...
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