ML9077 Overview
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.
ML9077 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 rechargeable battery and power off an external microputer
- Low power operation
- energy harvester current : 80nA
- Rechargeable battery current : 80nA
ML9077 Applications
- 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,