LTC2944 배터리 관리 모듈
(LTC2944 Battery Management Module)
개요
- 본 제품은 LTC2944 배터리 관리 모듈입니다.
- LTC2944칩은 배터리 충전 상태, 배터리 전압, 배터리 전류, 배터리 온도 측정하는 어플리케이션에서 많이 사용되고 있습니다.
- 쿨롱 카운터가 내장되어 있으며, 전압, 전류, 온도는 내부 14비트 ADC로 측정됩니다.
- I2C 인터페이스를 가지고 있습니다.
특징
- Measured accumulated battery charge and discharge
- 3.6V to 60V operating range for multi-cell applications
- Maximum temperature and current conversion time: 8MS
- Maximum voltage conversion time: 48MS
- Temperature sensing range: 236.85 degree
- Voltage, current and charging accuracy: 1%
- Detection voltage range: ±50MV
- I2C / SMBUS interface configurable alarm output / charge completion input
- Quiescent current: < 150MA
- IIC communication frequency: 400 ~ 900KHZ
- 14-bit zero-delay ADC is responsible for measuring voltage, current 12 bits) and temperature (11 bits)
- IIC hardware address: 1100100x (x is the read/write direction control bit);
- VCC: The pull-up resistor common terminal of the three communication ports on the board should be connected to the VCC of the external controller;
- ALCC: alarm output or charge completion input, default alarm mode;
- S+: SENSE + chip power supply terminal and induced current positive input terminal;
- S-: Inductive current negative input terminal and positive terminal of the tested battery power supply;
- SDA: IIC data signal line;
- SCL: IIC clock signal line