RAA4892042GFTAA0中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

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