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R5436T401BA

RICOH
Part Number R5436T401BA
Manufacturer RICOH
Description 3 to 5 Serial Cell Li-Ion or Li-Polymer Battery Protection
Published Jul 6, 2021
Detailed Description R5436T Series 3 to 5 Serial Cell Li-Ion or Li-Polymer Battery Protection IC NO.EA-322-191206 OUTLINE The R5436T is an ov...
Datasheet PDF File R5436T401BA PDF File

R5436T401BA
R5436T401BA

Overview
R5436T Series 3 to 5 Serial Cell Li-Ion or Li-Polymer Battery Protection IC NO.
EA-322-191206 OUTLINE The R5436T is an overcharge, overdischarge and overcurrent protection IC for Li-ion or Li-polymer secondary battery.
Overcharge, Overdischarge, Charge Overcurrent and Discharge Overcurrent for 3 to 5 serial cells can be detected.
By cascade connection using the R5436T, it is also possible to protect 6-serial or more cells rechargeable battery pack.
The R5436T provides a cell-balancing function to equalize imbalance between cells, and it provides an open-wire detection to detect a broken wire between a battery and the circuit board.
The open-wire detection is optionally selectable.
FEATURES  High Voltage Tolerant Process Absolute Maximum Ratings ······································30 V  Low Supply Current Normal operation with using 5 cells ···························Typ.
12.
0 µA Standby ······························································Typ.
6.
0 µA  High-accuracy Voltage Detection Overcharge detection voltage (VDET1n(1)) ·····················3.
6 V to 4.
5 V (in 5 mV steps) Overcharge detection voltage accuracy······················± 0.
025 V (Ta = 25°C) Overdischarge detection voltage (VDET2n(1)) ·················2.
0 V to 3.
2 V (in 5 mV steps) Overdischarge detection voltage accuracy ··················± 2.
5% Discharge overcurrent detection voltage1 (VDET31) (2) ·····0.
05 V to 0.
25 V (in 10 mV steps) Discharge overcurrent detection voltage accuracy ········± 20mV Discharge overcurrent detection voltage2 ···················Three times VDET31 Short-circuit detection voltage(3)································0.
25 V to 1.
0 V (in 20 mV steps) Charge overcurrent detection voltage ························-0.
05 V / -0.
1 V / -0.
2 V Charge overcurrent detection voltage accuracy············± 30 mV Overcharge release voltage·····································VDET1n–0.
1V to VDET1n–0.
4V (in 10mV steps) Overdischarge release voltage ·································V...


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