CXPR78100-AA是一款多电池保护IC，包括高精度电压检测电路和延迟电路。用户可以对5~10系列锂离子蓄电池组的状态进行监测。CXPR78100-AA CXPR78100-AB具有过充、过放、过流、过温等多种保护功能。更多的CXPR78100-AA CXPR78100-AB可以串联运行以保护长串电池。
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[ CXPR78100-AA ]
目录
7.相关产品
产品概述 返回TOP
CXPR78100-AA CXPR78100-AB is a multi-cell battery protection IC that includes high-accuracy voltage detection circuits and delay circuits. It is possible for users to monitor the status of 5~10 series cell lithium-ion rechargeable battery pack. CXPR78100-AA CXPR78100-AB provides multiple protect functions including over-charge, over-discharge, over-current and over-temperature. More CXPR78100-AA CXPR78100-AB can operate in series to protect long string battery.
产品特点 返回TOP
Input voltage is high to 60V
Monitor 5~10 series cell battery and support cascaded operation
High-accuracy voltage detection for each cell
Overcharge detection voltage:
3.6~4.4V (33mV step)
Accuracy ±20 mV
Overcharge release hysteresis: 0.1~0.4V (50mV step)
Overdischarge detection voltage: 2.0~3.2V (100mV step)
Accuracy ±80 mV
Overdischarge release hysteresis: 0.1~0.7V (100mV step)
Discharge overcurrent detection in 3-step
1 st Discharge overcurrent detection voltage: 0.025~0.07V (15mV step) Accuracy ±10mV
2 nd Discharge overcurrent detection voltage: 0.1~0.25V (20mV step) Accuracy ±10mV Short circuit detection voltage: 0.3~1.0V (100mV step) Accuracy ±100mV
Charge overcurrent detection voltage -0.2V Accuracy ±30 mV
Fixed internally: Overcharge detection delay time 1.5sOverdischarge detection delay time 1.5s Charge overcurrent detection delay time 25ms Load short circuit detection delay time 300us
Programmable by external capacitor: Discharge overcurrent detection delay time, 1 st: 0.2~10s 2nd: (0.2~10s)×1%
Fault detection on the external capacitor
High-accuracy battery temperature detection Charging over-temperature protection threshold:
0.85V Accuracy ±30mV Charging over-temperature hysteresis:
90mV Discharging over-temperature protection threshold:
0.95V Accuracy ±40mV Discharging over-temperature hysteresis:
70mV
1.2V LDO output (1mA) for external application Discharge disable mode selectable
Charging Permission (CP) condition check
Wide range of operation voltage 6V to 60V
Wide range of operation temperature -40°C to +85°C
Low current consumption
During full power 20μA max. (T=25°C)
During sleep mode 12μA max. (T=25°C)
During shutdown 350nA max. (T=25°C)
24-Pin TSSOP APPLICATIONS
应用范围 返回TOP
Rechargeable lithium-ion battery pack
Electric Bicycles, Motorcycles
Backup Battery Systems
Hybrid Electric Vehicles
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
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电路原理图 返回TOP
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电池保护 |
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型号 |
过充检测 电压(V) |
过充恢 复电压 (V) |
过放检 测电压 (V) |
过放恢复 电压(V) |
第一级放电 过流检测 电压(V) |
第二级放电过 流检测电压(V) |
短路检测电压(V) |
0V |
封装 |
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充电功能 |
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4.25 |
4.05 |
2.8 |
3 |
0.07 |
0.16 |
0.8 |
N |
TSSOP24 |
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4.3 |
4.1 |
2.3 |
2.7 |
0.055 |
0.16 |
0.4 |
N |
TSSOP24 |
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