Multi-Cell Li-Ion Battery Manager Evaluation Kit
The ISL78600EVKIT1Z is an evaluation kit that facilitates testing of the ISL78600 Li-ion battery pack analog front-end ICs. The ISL78600 monitors cell voltage and...
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Overview
Description
The ISL78600 Li-ion battery manager IC supervises up to 12 series-connected cells. The part provides accurate monitoring, cell balancing, and extensive system diagnostics functions. Three cell balancing modes are incorporated: Manual Balance mode, Timed Balance mode, and Auto Balance mode. The Auto Balance mode terminates balancing functions when a charge transfer value specified by the host microcontroller has been met. The ISL78600 communicates to a host microcontroller through an SPI interface and to other ISL78600 devices using a robust, proprietary, two-wire daisy chain system. The ISL78600 is offered in a 64 Ld TQFP package and is specified for operation at a temperature range of -40°C to +105°C.
Features
- Up to 12-cell voltage monitors with support for Li-ion CoO2, Li-ion Mn2O4, and Li-ion FePO4 chemistries
- Board level cell voltage measurement accuracy ±1.5mV
- 13-bit cell voltage measurement
- Pack voltage measurement accuracy ±100mV
- 14-bit pack voltage and temperature measurements
- Cell voltage scan rate of 19.5μs per cell (234μs to scan 12 cells)
- Internal and external temperature monitoring
- Up to four external temperature inputs
- Robust daisy chain communications system
- Integrated system diagnostics for all key internal functions
- Hardwired and communications based fault notification
- Integrated watchdog shuts down device if communication is lost
- 2Mbps SPI AEC-Q100 qualified
Comparison
Applications
- Hybrid vehicle battery pack
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