RT9553A sensing/protection equivalent, high accuracy current/voltage sensing/protection.
* Common Mode Input Range up to 24V
* VCC Operating Current : 200μA
* VCC Shutdown Current : 10μA (under S3/S4/S5)
* Programmable Over-Current Level
*.
* Notebook
Pin Configuration
(TOP VIEW)
CSP 1 VCC 2 ILIM 3
EN 4 TIMER 5
GND
10 CSN 9 PROCHOT 8 RESET
7 OVSET 11 .
The RT9553A is designed for over-current detection and over-/under-voltage protection.
It provides users to set over-current threshold by the ILIM pin to compare that senses dropping voltage between CSP pin and CSN pin. Moreover, users can set over-/.
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