MM912J637 Overview
NXP Semiconductorsï€ Data sheet: Technical data Document Number: 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.
MM912J637 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
- 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
- munication via a LIN 2.1, LIN2.0 bus interface
- S12 microcontroller with 128 kByte flash, 6.0 kByte RAM, 4.0 kByte data flash