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ML9077 - Power-saving solar power supply control LSI

General Description

ML9077 controls charging an energy harvester current to a rechargeable battery.

The control circuit is consists of a overcharge prevention circuit, a charge control circuit and a rechargeable battery voltage monitor circuit.

Each circuit performs following operation.

Overcharge prevention circ

Key Features

  • Self control the energy harvester current for charging a rechargeable battery.
  • Direct charge energy harvester current (ISC) to a rechargeable battery.
  • [VSC>2.0V, ISC≦1mA conditions]: Potential difference=Max 0.1V (VSC-VBAT).
  • [VSC≦2.0V, ISC≦1mA conditions]: Potential difference=Max 2.0V (VSC-VBAT).
  • 2 Selectable overcharge prevention voltage.
  • 2 Selectable low voltage detection voltage.
  • Power supply system detects a low voltage of.

📥 Download Datasheet

Datasheet Details

Part number ML9077
Manufacturer LAPIS
File Size 537.82 KB
Description Power-saving solar power supply control LSI
Datasheet download datasheet ML9077 Datasheet

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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ML9077 Power-saving energy harvesting power supply control LSI FEDL9077-06 Issue Date: Feb.29, 2024 GENERAL DESCRIPTION ML9077 controls charging an energy harvester current to a rechargeable battery. The control circuit is consists of a overcharge prevention circuit, a charge control circuit and a rechargeable battery voltage monitor circuit. Each circuit performs following operation. ● Overcharge prevention circuit When a rechargeable battery becomes FULL charge state, the current of energy harvester is drawn to VSS and the charge current for the rechargeable battery is omitted so that rechargeable battery voltage does not rise any more.