The R5640 is an overcharge protection IC for 2- to 5- serial cell Li-ion / Li-polymer rechargeable battery pack, with built-in high-accuracy voltage detection circuits and delay circuits. Controlling the supply voltage to the CTLC pin can control the COUT pin output. The shutdown detection can reduce the supply current to the minimum.
|Operating Input Voltage Range||4.0 V to 25 V or VC2 +5 V|
|Supply Current||Typ. 2.5 µA|
|Shutdown Current||Max. 0.2 µA|
|Overcharge (VDET1)||Detector Threshold Range||3.60 V to 4.60 V (0.005 V Steps)|
|Detector Threshold Accuracy||± 0.016 V (Ta = 25°C)
± 0.025 V (0°C ≤ Ta ≤ 60°C)
|Detection Delay Time||2 / 4 / 6 / 10 / 16 sec
Delay shortening function can reduce the delay time to approx.1/80.
|Release Voltage|| VDET1 to VDET1 -0.4 V (0.05 V Steps)
Min. 4.05 V when shutdown detection voltage is 3.7 V.
|Release Voltage Condition||Voltage Release Type|
|Shutdown Detection Voltage||Typ. 2.5 V ± 0.3 V / 3.7 V ± 0.3 V|
|CTLC Pin Detection Delay Time||2 msec|
|Functions||Selectable Timer Reset Delay Function|
|Available Cascade Connection|
|Output Type||Pch. Open-drain of Internal Regulator|
PRODUCT LONGEVITY PROGRAM
R5640 operate PRODUCT LONGEVITY PROGRAM.
This program has been introduced to help customers select the most appropriate part for applications that require long life cycles.
Overcharge detection / release voltages and delay time are user-selectable options.
|Product Name||Package||Quantity per Reel|
*1: VDET1n, VREL1n, VSHTn: n = 1, 2, 3, 4, 5
*2: Min. 4.05 V when shutdown detection voltage (VSHTn) is 3.7 V.
*1: The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and land pattern (foot pattern).
*2: Reliability file includes a reliability test report and a reflow profile.