恩智浦(NXP)的电池传感器MM912_637用于12V铅酸电池并具备LIN接口的电池传感器。恩智浦(NXP)的电池传感器IC能够测量电压、电流和温度，最大限度地降低功耗，且不降低准确度或数据处理能力。这些解决方案符合汽车行业标准要求，适用于车载电池监测应用。
恩智浦®MM912_637电池传感器是集成的电池监测器件，可以同时测量电池电流和电压，以精确测定SOC (充电状态)、SOH (健康状况)，以及其他参数。
- 该集成式温度传感器采用紧密贴近电池的设计，可以测量电池的温度
- 多个专用于特定应用的硬件模块，降低了MCU开销和相关的功耗
- 低功耗模式可以设置，并具有自动电池状态监测和先进的唤醒功能，进一步降低了耗电
- 集成型LIN 2.1接口，可实现电池监测功能的通信和控制
NXP's battery sensor MM912_637 is used for 12V lead-acid batteries and has LIN interface battery sensor product features:
CPU Core
- S12 microcontroller with 128kB (J) or 96kB (I) flash memory
4kB data flash memory
6kB RAM
Backend Debugging (BDM)
Standard I/O
- 8 MCU universal I/O, including SPI function
4 5V GPIO, including a high voltage input with wake-up function (PTB3/L0)
16 bit, 4-channel timer module (TIM16B4C)
8-bit, dual channel pulse width modulation module (PWM)
Features tailored to specific applications
- Battery voltage measurement
Battery current measurement, 8 ranges
Accurate internal oscillator (to further improve accuracy, an external quartz oscillator can be used)
Normal mode and two low-power modes
Communicate through LIN 2.1 and LIN2.0 bus interfaces
Wake up triggered by LIN and periodic wake-up
Signal low-pass filtering (current, voltage)
PGA (Low Noise Programmable Gain Amplifier) with Automatic Gain Control Function
Current threshold detection and current averaging function in standby/low-power wake-up mode
External temperature sensor options (TSUP, VTEMP)
Optional second external voltage detection input (VOPT)
On chip temperature measurement
Compliant with industry EMC standards
Load power supply voltage 3.5V (minimum), 28V (maximum)
