R5480 系列

单节锂电池保护芯片（带RSENS管脚）

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概述

R5480系列是电池保护IC。可检测单节可充电锂离子/锂聚合物电池的过充、过放和充电过流、放电过流。通过RSENSE引脚的外置电阻，可实现高精度的过流检测。检测出过放电后，停止内部电路以尽量减少消费电流。

输入电压	1.5 V to 5.0 V (Maximum Rating: 30 V)
元件数	1
电源电流	Typ. 4.0 µA
待机电流	Max. 0.1 µA
过充电检测电压	4.1 V to 4.7 V (0.005 V Step)
过充电检测电压精度	±20 mV (≤ 4.5 V) / ±25 mV (> 4.5 V)
过充电检测延迟时间	1.0 s
过放电检测电压	2.1 V to 3.0 V (0.050 V Step)
过放电检测电压精度	±35 mV
过放电检测延迟时间	20 ms, 132 ms
放电过电流检测电压	0.020 V to 0.050 V (0.001 V Step)
放电过电流检测电压精度	±15% (≥ 30 mV) / ±4.5 mV (< 30 mV)
放电过电流检测延迟时间	12 ms
充电过电流检测电压	-0.057 V to -0.020 V (0.001 V Step)
充电过电流检测电压精度	±15%
充电过电流检测延迟时间	16 ms, 8 ms
短路检测电压	0.14 V, 0.18 V, 0.25 V, 0.50 V
检测延迟时间短	250 µs
恢复过充的条件	Latch
恢复过放电的条件	Latch
封装	DFN(PL)1414-6
Output Delay Time Shortening	At COUT is “H”, if V- level is set at −2.0 V, the Output Delay time of detect the over-charge and over-discharge can be reduced (Delay Time for over-charge becomes about 1/100 of normal state).
0 V Charge	Prohibited

Temperature Protection	Reset	Alarm	Cell Balance	Cascadable	Open Wire Detection	Wakeup	Short-circuit Current Detection	Delay Time Shortening

Temperature Protection	Temperature Protection
Reset	Reset Function
Alarm	Alarm Function
Cell Balance	Cell Balance Function
Cascadable	Cascade Connect Function
Open Wire Detection	Open Wire Detect Function
Wakeup	Wakeup Function
Short-circuit Current Detection	Short-circuit Current Protection
Delay Time Shorting	Output Delay Time Short Function

Temperature Protection	Temperature Protection
Reset	Reset Function
Alarm	Alarm Function
Cell Balance	Cell Balance Function
Cascadable	Cascade Connect Function
Open Wire Detection	Open Wire Detect Function
Wakeup	Wakeup Function
Short-circuit Current Detection	Short-circuit Current Protection
Delay Time Shorting	Output Delay Time Short Function