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LP78073A - 1A Charge+ 2.7A Synchronous Boost PMIC

General Description

The LP78073A is a PMIC，which has 1ch Charger and 1ch Synchronous Boost Converter with ESOP-8 package.

Its charger is a complete constant-current constant voltage linear charger for single cell lithium-ion batteries.

Key Features

  • include charge current monitor, under voltage lockout, automatic recharge and a status pin to indicate charge termination and the presence of an input voltage. Boost converter is Synchronous current mode boost DC-DC converter. Its PWM circuitry with built-in 2.7A Current power MOSFET makes this converter highly power efficiently. Selectable high switching frequency allows faster loop response and easy filtering with a low noise output. The non-inverting input and its error amplifier is connected.

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Datasheet Details

Part number LP78073A
Manufacturer Lowpowersemi
File Size 574.51 KB
Description 1A Charge+ 2.7A Synchronous Boost PMIC
Datasheet download datasheet LP78073A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary Datasheet LP78073A 1A Charge+ 2.7A Synchronous Boost PMIC General Description The LP78073A is a PMIC，which has 1ch Charger and 1ch Synchronous Boost Converter with ESOP-8 package. Its charger is a complete constant-current constant voltage linear charger for single cell lithium-ion batteries. Furthermore, the LP78073A 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 can be ISET rammed externally with a single resistor.