Maxim MAX11068 12路智能数据采集方案

Maxim 公司的MAX11068 是可编程高度集成高压12路电池监视智能数据采集接口电路，它的模拟前端包括12路电压测量数据采集系统和高压开关组输入，测量范围0-5V，满规格保证精度从0.5V 到 4.7V，测量精度±0.25%，失调电压≤ 5mV。MAX11068集成了6V-70V输入的线性稳压器，以及25ppm/NC, 2.5V精密基准电压源。主要用在汽车系统，混合电力汽车电池组，电动汽车，大功率电池备分系统以及SuperCap备分系统和动力工具。本文介绍了MAX11068主要特性，功能方框图，模拟前端（AFE）方框图，多种应用电路以及MAX11068 评估套件主要特性，详细电路图和材料清单（BOM）。

The MAX11068 is a programmable, highly integrated, high-voltage, 12-channel, battery-monitoring smart data-acquisition interface. It is optimized for use with batter­ies used in automotive systems, hybrid electric battery packs, electric cars, and any system that stacks long series strings of secondary metal batteries. This highly integrated battery sensor incorporates a simple state machine and a high-speed I2C bus for SMBusK-laddered serial communication.
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