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汽车BMS ISL78600 锂离子电池管理器 IC
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瑞萨电子（中国）有限公司
北京
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汽车BMS ISL78600 锂离子电池管理器 IC
汽车BMS ISL78600 锂离子电池管理器 IC
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详情介绍
瑞萨电子的汽车级 (AEC-Q100) 锂离子电池管理解决方案 (BMS) 专为满足新一代电动汽车应用的严格安全性、可靠性和性能要求而设计。
我们的电池平衡和安全产品组合采用高度集成的 ISL78714、ISL78600 和 ISL78610 锂电池管理系统和安全监控 IC，具有众多优势，并显著减少混合动力、插电式混合动力及电动车 (HEV/PHEV/EV) 电池组及其相关系统的总体电池管理成本。
瑞萨电子还提供 ISL78692 和 ISL78693 汽车级单芯电池充电器，可延长车载紧急呼叫（eCall）系统中使用的锂离子 (Li-ion)、锂聚合物 (Li-polymer) 和磷酸铁锂（LiFePO4）电池续航时间。
ISL78600 锂离子电池管理器 IC 可监管最多 12 个串联电池，并提供精确的监控、电池平衡和全面的系统诊断功能。
OVERVIEW
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.
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.
KEY 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
BLOCK DIAGRAM
