The JW3653A/JW3653A-1 is a buck boost convertertargetsHVDC fast charging and discharging power bank. The JW3653A/JW3653A-1 supports 1 to3 cells Li-ion battery, the output voltage can be programmable up to 20.0V through external resistor.

The JW3653A/JW3653A-1 implements the Buck Boost converter with an H-bridge, which can maintain output regulation for input voltage whether greater or less than output voltage. The integrated low Rds(on) MOSFET minimizes physical footprint, maximizescharge/discharge efficiency, which reduces the power dissipation during discharge. Constant current control is utilized to protect the device from overshooting in unwanted conditions. Built-in loop compensation simplifies the circuit and design. PFM is engaged to maintain high efficiency at light load current.

JW3653A/JW3653A-1 guarantees robustness with thermal protectionand battery under voltage lockout.

FEATURES


Integrate low RDS (on) power MOSFET


Wide input range: 4.2V-20.0V,Support 1to3

cells battery charge/discharge.


Full charge voltage:1.2V-20.0V through

external resistor or selectable by BATFB pin

JW3653A (4.2V/cell)/JW3653A-1 (4.35V/cell)


Wide output range:0.9V-20.0V


High efficiency buck-boost transition


450kHz switching frequency


Programmable output current limit(up to 3A)


Output Constant Current Control.


Quiescent current: <60uA


Integrate VBUS and Batteryshort protection


Integrate thermal protection


QFN3*4 package

APPLICATIONS


Power bank systems


Battery and SuperCapacitor Charging


USB Power Delivery


Industrial applications


Automotive Systems