The JW3655E is a buck boost converter targets HVDC fast charging system. The JW3655E supports 1 to 4 cells Li-ion battery, the full charge voltage and charge current can be programmable through external resistor.

The JW3655E implements the Buck Boost converter with an H-bridge. The integrated low RDS(on) MOSFET minimizes physical footprint, maximizes charge efficiency. Built-in loop compensation simplifies the circuit and design. PFM is engaged to maintain high efficiency at light load current.

JW3655E guarantees robustness with thermal protection.

FEATURES

 Integrate low RDS(on) power MOSFET

 Wide input range: 4.2V-21.0V, support 1 to 4

cells battery charge

 Full charge voltage can be programmable

through external resistor

 High efficiency

 450kHz switching frequency

 Programmable charge current, up to 3A

 Quiescent current: <5uA

 Integrate batteryshort protection

 Integrate thermal protection

 QFN3X4-15 package

APPLICATIONS

 Power bank systems

 Battery and supercapacitor charging

 USB power delivery

 Industrial applications

 Automotive systems