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R5422N111C

RICOH
Part Number R5422N111C
Manufacturer RICOH
Description Li-Ion BATTERY PROTECTOR
Published Apr 30, 2018
Detailed Description PRELIMINARY ’99.12.9 Li-Ion BATTERY PROTECTOR R5422NxxxC/xxxE series n OUTLINE The R5422NxxxC/E Series are protection...
Datasheet PDF File R5422N111C PDF File

R5422N111C
R5422N111C

Overview
PRELIMINARY ’99.
12.
9 Li-Ion BATTERY PROTECTOR R5422NxxxC/xxxE series n OUTLINE The R5422NxxxC/E Series are protection ICs for over-charge/discharge of rechargeable one-cell Lithium-ion (Li+) excess load current, further include a short circuit protector for preventing large external short circuit current.
Each of these ICs is composed of three voltage detectors, a reference unit, a delay circuit, a short circuit protector, and a logic circuit.
When charging voltage crosses the detector threshold from a low value to a value higher than VDET1, the output of COUT pin, the output of over-charge detector/VD1, switches to low level, charger's negative pin level after the delay time by setting a...


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