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ISL6294A

Renesas
Part Number ISL6294A
Manufacturer Renesas
Description High Input Voltage Charger
Published Jun 17, 2019
Detailed Description ISL6294A High Input Voltage Charger The ISL6294A is a cost-effective, fully integrated high input voltage single-cell L...
Datasheet PDF File ISL6294A PDF File

ISL6294A
ISL6294A

Overview
ISL6294A High Input Voltage Charger The ISL6294A is a cost-effective, fully integrated high input voltage single-cell Li-ion battery charger.
The charger uses a CC/CV charge profile required by Li-ion batteries.
The charger accepts an input voltage up to 28V but is disabled when the input voltage exceeds the OVP threshold, typically 7.
3V, to prevent excessive power dissipation.
The 28V rating eliminates the overvoltage protection circuit required in a low input voltage charger.
The charge current and the end-of-charge (EOC) current are programmable with external resistors.
When the battery voltage is lower than typically 2.
55V, the charger preconditions the battery with typically 20% of the programmed charge current.
When the charge current reduces to the programmable EOC current level during the CV charge phase, an EOC indication is provided by the CHG pin, which is an open-drain output.
An internal thermal foldback function protects the charger from any thermal failure.
Two indicati...


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