
Shenzhen Huazhimei Semiconductor Co., Ltd
Overview:
HM4063 is a PWM buck mode three-cell lithium battery charge management integrated circuit, which can automatically manage the charging of three lithium batteries independently. It has the advantages of small package size, few peripheral components and simple use.
FEATUREs:
● Wide input voltage range: 7.5V to 28V
● Complete charge management for three lithium batteries
● Charging current up to 5A
● PWM switching frequency: 300KHz
● Constant voltage charging voltage accuracy: ±1%
● Constant current charging current set by external resistor
● Trickle charging for deeply discharged batteries
● End-of-charge current can be set by external resistor
● Battery temperature monitoring function
● Automatic recharge function
● Charging status and end-of-charge status indication
● Soft start function
● Battery terminal overvoltage protection
● Working environment temperature: -40℃ to +85℃
● 16-pin TSSOP package
● Lead-free, halogen-free, RoHS compliant
APPLICATIONs:
● Laptops, netbooks
● Model aircraft, car and boat models, etc.
● Backup battery applications
● Portable industrial and medical instruments
● Power tools
● Standalone battery charger