BD14210G ±1% Accuracy Current Sense Amplifier

BD14210G ±1% Accuracy Current Sense Amplifier

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ROHM’s current sensing IC has a space-saving design that decreases the mounting area by 46%

ROHM’s BD14210G-LA current sense amplifier guarantees long time support in the industrial market. This device operates from a single 2.7 V to 5.5 V power supply. It has a wide common-mode voltage range of -0.2 V to +26 V, an output analog voltage, and a gain of 20 V/V. The matched gain resistor minimizes gain error and realizes low offset voltages. The input bias current is 1 µA (typ.) in typical conditions. There is no need to adjust the gain error.

The BD14210G-LA incorporates all required peripheral components. This simplifies current sensing by connecting a shunt resistor and a bypass capacitor. Furthermore, reducing the number of components from eleven to just three compared to conventional configurations (operational amplifier + discrete components). This amplifier decreases the mounting area by 46% (SSOP6 package).

This current sense amplifier features a highly accurate current detection of ±1% that can be achieved over the entire temperature range of -40°C to +125°C. The internal circuitry prevents current detection accuracy to decrease even when an external RC filter circuit for noise suppression is added. This minimizes the number of work-hours required for design. The wide input voltage range makes the BD14210G-LA ideal for current sensing applications operating from 12 V/24 V power supplies.

Features

  • Wide input voltage range: -0.2 V to +26 V
  • High accuracy current detection of ±1%
  • Low offset voltage: 1 µA (typ.)
  • Low input bias current
  • Space-saving design decreases the mounting area by 46% (SSOP6 package)

more information: https://www.rohm.com/products/sensors-mems/current-sensor-ics/current-sense-amplifier/bd14210g-la-product

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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