Microchip Technology MCP73831
The MCP73831/2 devices are highly advanced linear charge management controllers for use in spacelimited, cost-sensitive applications. The MCP73831/2 are available in an 8-Lead, 2 mm x 3 mm DFN package or a 5-Lead, SOT-23 package. For applications charging from a USB port, the MCP73831/2 adhere to all the specifications governing the USB power bus.| Part No. | MCP73831 |
|---|---|
| Datasheet | MCP73831 Download |
| Manufacturer |  Microchip Technology |
| Description | Li-Polymer Charge Management Controllers |
| Buy | Stock & Price |
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: 15 mA to 500 mA
● 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, 2 mm x 3 mm DFN - 5-Lead, SOT-23
APPLICATIONS
● Lithium-Ion/Lithium-Polymer Battery Chargers● Personal Data Assistants
● Cellular Telephones
● Digital Cameras
● MP3 Players
● Bluetooth Headsets
● USB Chargers Typical Application VIN 4.7 F 500 mA Li-Ion Battery Charger 4 VDD VBAT 3 4.7 F PROG 5 + Single - Li-Ion Cell 470 1 STAT VSS 2 MCP73831 2 k
DESCRIPTION
Along with their small physical size, the low number of external components required make the MCP73831/2 ideally suited for portable applications.
