充电电路

JW3655E

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
 
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