HX4056A 800mA Standalone Linear Li-Ion Battery Charger General Description The HX4056A is a complete constant-current/constant- voltage linear charger for single cell lithium-ion batteries.
Its ESOP8 package and low external component count make the HX4056A ideally suited for portable applications.
Furthermore, the HX4056A is specifically designed to work within USB power specifications.
No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture.
Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature.
The charge voltage is fixed at 4.
2V, and the charge current ca...

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