RAA4892042GFTAA0中文资料瑞萨数据手册PDF规格书

Features

▪ Monitors and manages up to 14 cells; all standard

Li-Ion cell chemistries

▪ Robust two-wire Daisy Chain communications

system using capacitor or transformer coupling at

up to 1Mbps

▪ High security communications protocol

▪ Cell voltage measurement accuracy +/-10mV

▪ Up to six external temperature monitoring inputs

▪ Internal temperature monitoring with warning flag

▪ Two general purpose I/O pins

▪ Automatic sensing of position in battery stack

▪ Measures and performs read-back on all voltages,

temperatures, and diagnostics for 112 cells in less

than 10ms

▪ User-selectable cell measurement averaging

function

▪ 14-bit voltage and temperature measurements

▪ Integrated system diagnostics for all key functions

▪ Watchdog shuts down device if communication is

lost

▪ Fully tolerant to EMC and transients