ISL9211A - Charging System Safety Circuit
SYMBOL VIN GND NC FAULT EN VB ILIM OUT - PIN NUMBER 1 2 3 4 5 6 7 8 PAD DESCRIPTION The input power source.
The VIN can withstand 24V input.
System ground reference.
No connection and must be left floating.
FAULT is an open-drain logic output that turns LOW when any protection event occurs.
IC e
ISL9211A NROETCROEMCMOEMNMDEENIDSDLRE9ED2P1F1LOBARCENMEEWNDTEPSAIGRTNS Charging System Safety Circuit DATASHEET FN6702 Rev 3.00 November 5, 2014 The ISL9211A is an integrated circuit (IC) optimized to provide a redundant safety protection to a Li-ion battery charging system.
The IC monitors the input voltage, the battery voltage, and the charge current.
When any of the three parameters exceeds its limit, the IC turns off an internal N-channel MOSFET to remove the power from the charging syst
ISL9211A Features
* 24V Max Input Voltage
* Supports Up To 2.0A Input Current
* Fully Integrated Protection Circuit for Three Protected Variables
* High Accuracy Protection Thresholds
* User Programmable Overcurrent Protection Threshold
* Responds To Input Overvoltage i
