R5436 系列

三节至五节锂电池保护芯片（带温度保护功能）

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概述

R5436是可充电锂离子/锂聚合物电池用的过充、过放以及过电流保护IC。可检出3-5节锂电池的过充、过放以及放电过流、充电过流。 R5436具有电池平衡功能，以解决串联电池的不平衡状态。通过级联可用于6节以上的充电电池。 R5436可选功能中有断线检测功能，可检出电池与保护板的断线。

输入电压	2.5 V to 25 V (Maximum Rating: 30 V)
充电器负输入电压	30 V (Maximum Rating)
元件数	3,4,5
电源电流	Typ. 12.0 µA
待机电流	Typ. 6.0 µA
过充电检测电压	3.6 V to 4.5 V (0.005 V Steps)
过充电检测电压精度	±25 mV
过充电检测延迟时间	1.0 s
过充电恢复电压	VDET1 -0.1 V to VDET1 -0.4 V (0.01 V Steps)
过放电检测电压	2.0 V to 3.2 V (0.005 V Steps)
过放电检测电压精度	±2.5%
过放电检测延迟时间	Adjustable with an external capacitor
放电过电流检测电压	VDET31: 0.05 V to 0.25 V (0.01 V Steps) VDET32: VDET31 x 3
放电过电流检测电压精度	VDET31: ±15 mV (VDET31 ≤ 0.15V) / ±20 mV (VDET31 > 0.15V) VDET32: ±25 mV (VDET31 ≤ 0.10V) / ±50 mV (VDET31 > 0.10V)
放电过电流检测延迟时间	Adjustable with an external capacitor
充电过电流检测电压	-0.2 V, -0.1 V, -0.05 V
充电过电流检测电压精度	±15 mV (VDET4= -0.05V / -0.1V) / ±30 mV (VDET4 = -0.2V)
充电过电流检测延迟时间	8 ms
短路检测电压	0.25 V to 1.0 V (0.02 V Steps)
检测延迟时间短	300 µs
恢复过充的条件	Voltage Release
恢复过放电的条件	Latch / Voltage Release
封装	TSSOP-28
Cell Balancing Detection Voltage (VCBD)	3.45 V to 4.45 V (0.005 V Steps)
Cell Balancing Release Voltage	VCBD to VCBD -0.4 V (0.01 V Steps)
0 V Charge	Available

1 VDET31: Set to meet the following equation: (3×VDET31+0.05<0.8×VSHORT). 2 VDET32 is not detected when VDET32 is higher than VSHORT.

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

	特性	Battery Protection
	元件	3,4,5
	功能	Temperature Protection,Cell Balance,Cascadable,Open Wire Detection,Short-circuit Current Detection,Delay Time Shortening
	长期供给	Applicable