ADI LTC3337内置精密库仑计数器的原电池健康状态(SOH)监视方案  

出　　处：《世界电子元器件》2022年第1期58-63,共6页Global Electronics China

摘　　要：ADI公司的LTC3337是具有内置精密库仑计数器的原电池健康状态(SOH)监视器,设计为与原电池串联,相关串联电压降很小.获得专利的无限动态范围库仑计数器记录所有累积的电池放电,并将其存储在可通过I2C接口访问的内部寄存器中.基于此充电状态(SOC)的放电警报阈值可编程.当达到阈值时,IRQ引脚产生中断.库仑计数器的精度低至空载也保持恒定.The LTCR3337 is a primary battery state of health(SOH)monitor with a built-in precision coulomb counter.It isdesigned to be placed in series with a primary batterywith minimal associated series voltage drop.The patentedinfinite dynamic range coulomb counter tallies ALLaccumulated battery discharge and stores it in an internalregister accessible via an I2C interface.A discharge alarmthreshold based on this state of charge(SOC)is programmable.

关 键 词：充电状态 原电池 计数器 内部寄存器 I2C接口 动态范围 电池放电 监视器 

分 类 号：TM912[电气工程—电力电子与电力传动]