| Part Number | MCP73871T-1CAI/ML | MCP73871T-3CAI/ML | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | PMIC - Battery Chargers | PMIC - Battery Chargers | 
|   |   | |
| Product Status | Active | Active | 
| Battery Chemistry | Lithium Ion/Polymer | Lithium Ion/Polymer | 
| Number of Cells | 1 | 1 | 
| Current - Charging | Constant - Programmable | Constant - Programmable | 
| Programmable Features | Timer | Timer | 
| Fault Protection | Over Temperature | Over Temperature | 
| Charge Current - Max | 1.1A | 1.1A | 
| Battery Pack Voltage | 4.1V | 4.35V | 
| Voltage - Supply (Max) | 6V | 6V | 
| Interface | USB | USB | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 
| Supplier Device Package | 20-QFN (4x4) | 20-QFN (4x4) |