Microchip Technology MCP73831/2 Charge Management Controllers

Microchip MCP73831/2 Charge Management Controllers have high accuracy and are for use in space-limited, cost-sensitive applications. The MCP73831/2 are housed in 8-Lead, 2x3mm DFN packages or 5-lead, SOT-23 packages. The MCP73831/2 is ideally suited for portable applications with a low number of external components required. The controllers adhere to all the specifications governing the USB power bus for applications charging from a USB port.

Features

Linear Charge Management Controller
- Integrated Pass Transistor
- Integrated Current Sense
- Reverse Discharge Protection
High Accuracy Preset Voltage Regulation + 0.75%
Four Voltage Regulation Options
- 4.20V, 4.35V, 4.40V, 4.50V
Programmable Charge Current 15mA to 500mA
Selectable Preconditioning
- 10%, 20%, 40%, or Disable
Selectable End-of-Charge Control
- 5%, 7.5%, 10%, or 20%

Charge Status Output
- Tri-State Output - MCP73831
- Open-Drain Output - MCP73832
Automatic Power-Down
Thermal Regulation
Temperature Range -40°C to +85°C
Packaging
- 8-Lead, 2x3mm DFN
- 5-Lead, SOT-23