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MM912J637 Datasheet Intelligent Integrated Precision Battery Sensor

Manufacturer: NXP Semiconductors

Overview: NXP Semiconductors Data sheet: Technical data Document Number: MM912_637D1 Rev. 6.0, 6/2021 Intelligent integrated precision battery sensor MM912_637 The MM912I637 (96 kB) and MM912J637 (128 kB) are fully integrated LIN Battery monitoring devices, based on NXP SMARTMOS and S12 MCU Technology. The device supports precise current measurement via an external shunt resistor, and precise battery voltage measurement via a series resistor directly at the battery plus pole. The integrated temperature sensor combined in the close proximity to the battery, allows battery temperature measurement. The integrated LIN 2.1 interface makes the sensor feedback available on the LIN Bus.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • Battery voltage measurement.
  • Battery current measurement in up to 8 ranges.
  • On chip temperature measurement.
  • Normal and two low-power modes.
  • Current threshold detection and current averaging in standby => wake-up from low-power mode.
  • Triggered wake-up from LIN and periodic wake-up.
  • Signal low pass filtering (current, voltage).
  • PGA (programmable low-noise gain amplifier) with automatic gain control.
  • Accurate interna.

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