R5602 系列

4/5/6/7节锂电池模拟前端IC

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概述
规格
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概述

The R5602 is an analog front-end IC for 4-cell to 7-cell Li-ion / Li-polymer battery management. This IC provides cell voltage monitor, bidirectional current monitor based-on monitoring the voltage across an external sense resistor, two input pin for temperature monitoring by external NTC thermistors, Die temperature monitor, overcurrent protection, high-side NMOSFET control, a voltage regulator, cell balancing switches, switch for open-wire detection and I²C/SPI interface. The IC has a built-in A/D converter and an MCU can read each monitor value as a digital value.

特点

High accuracy voltage monitoring and low power consumption - for saving battery life.
Control High-side NMOSFET - for ease of treatment and cost reduction of BOM.
Cell connection sequence free - for cost reduction of battery pack assembling.

规格

	消费
最高评分	40 V
单元数	4 to 7
电源电流	Typ. 150 µA
待机电流	Max. 1.0 µA
电压监控器	±30 mV (−20°C ≤ Ta ≤ 85°C, 3 V ≤ VVCIN ≤ 4.2 V, VD ≥ 6.0 V, Cell voltages are balanced.)
电流监控器	RSNS = 5 mΩ, Gain = 20 : ± 1 RSNS = 5 mΩ, Gain = 10 : ± 1.4 RSNS = 5 mΩ, Gain = 2.5 : ± 2.4
稳压器输出电压	Typ. 3.4 V
稳压器输出电压精度	+0.1 V / -0.2 V (−20°C ≤ Ta ≤ 85°C)
稳压器输出电流	Min. 10 mA
通讯	I²C / SPI interface with/without CRC
封装	QFN0505-32C
Monitoring Speed	Less than 1 ms / 1 monitor (Max)
Overcurrent Protection by Detectors	Overcharge, overdischarge, and short-circuit
Built-in switch	Cell Balancing Switch, Switch for Open-wire detection