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HM4206 Datasheet - HMSEMI

Part Name
Description
MFG CO.
HM4206
HMSEMI
Shenzhen Huazhimei Semiconductor Co., Ltd HMSEMI
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DESCRIPTION
HM4206 is a complete single-cell lithium-ion battery based on solar applications The cell uses a constant current/constant voltage linear charger. With heat dissipation at the bottom ESOP8 package and fewer external components make HM4206 a Ideal for portable applications. HM4206 can be suitable for USB power supply Work with adapter power supply. Due to the internal PMOSFET architecture and the anti-reverse charging circuit, So there is no need for external detection resistors and isolation diodes. Thermal feedback can be recharged Electric current is adjusted for high power operation or high ambient temperature conditions Limit the chip temperature below. The charging voltage is fixed at 4.2V, and the charging The electric current can be set externally through a resistor. When the charging current reaches When the final float voltage drops to 1/10 of the set value, HM4206 will automatically The charging cycle is terminated automatically. When the input voltage (AC adapter or USB power supply or solar panel) When it is removed, HM4206 automatically enters a low current state, and the battery The leakage current is reduced to less than 2μA. You can also put HM4206 in shutdown mode, This reduces the supply current to 55μA. Other features of HM4206 include Charge current monitor, undervoltage lockout, automatic recharging and a Shows the end of charging and the status pin of input voltage access. HM4206 adopts green ESOP8 package and at least 3 peripherals The device can effectively reduce the circuit PCB layout space. HM4206 can work in -40°C to +85°C.

FEATURES
● Programmable charging current up to 1A
● No need for MOSFET, sense resistor or isolation diode
● Constant current/constant voltage operation, Thermal regulation function that maximizes the charging rate under conditions
● Charge a single-cell Li-ion battery directly from the USB port
● 4.2V preset end-of-charge voltage with an accuracy of 1%
● Charge current monitor output for battery power detection
● Automatic recharge
● Charge status output pin
● C/10 charge termination
● The supply current in shutdown mode is 55μA
● 2.9V trickle charge
● Soft start to limit inrush current
● Support solar charging
● ESOP8 green package

 

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