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MCP73831T-2ACI/OT
LI-ION BATT CHARGER CTRL 500MA SOT23-5
Microchip Technology
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Linear charge management controller for single-cell lithium-ion/polymer batteries with integrated pass transistor and current sensing. Supports programmable charge current (15-500mA), four fixed output voltage options (4.20-4.50V with ±0.75% accuracy), and selectable preconditioning/termination modes. Ideal for portable devices including phones, cameras, and Bluetooth headsets.
Package: SOT-23-5 · 5 pins
Why does this need a breakout?
This 0.95 mm pitch SMD package is incompatible with breadboards and difficult to hand-solder. A breakout board brings the five pins to standard 0.1″ spacing, enabling rapid prototyping without reflow equipment. Essential for evaluating precision analog ICs like current-sense amplifiers in development circuits.
Specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Microchip Technology |
| Part Number | MCP73831T-2ACI/OT |
| Package | SOT-23-5 |
| Pin Count | 5 |
| Battery Chemistry | Lithium Ion/Polymer |
| Charge Current - Max | 500mA |
| Number of Cells | 1 |
| Voltage - Supply (Max) | 6V |
What's Included
BILL OF MATERIALS
- 1x MCP73831T-2ACI/OT soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL