Microchip Technology MCP73871-2CAI/ML

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Timer
Fault Protection Over Temperature
Charge Current - Max 1.1A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6V
Interface USB
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package 20-QFN (4x4)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MCP73871-2CAI/ML is a linear charger for single-cell Lithium Ion/Polymer batteries. It delivers up to 1.1A charge current and regulates to 4.2V. Featuring a USB interface and over-temperature protection, it comes in a 20-VFQFN package, making it a versatile choice for portable devices.

  • Thermal safety: Over-temperature protection ensures safe operation.
  • Standard interface: USB compatibility simplifies power connectivity.
  • High current capability: Supports up to 1.1A for faster charging.
  • Robust design: Wide temperature range supports outdoor and industrial use.

Portable Medical Monitors

Ideal for single-cell Li-Ion powered health monitors, providing reliable charging with over-temperature protection for patient safety.

Smart Home Devices

Charges sensors, smart locks, and cameras that run on a single Li-Ion cell, with USB interface for easy setup.

Handheld Instruments

Suitable for multimeters or portable test equipment requiring a dependable 4.2V charge profile.

GPS Trackers

Powers personal or asset trackers, ensuring they stay charged in varying temperatures from -40°C to 85°C.

E-Cigarettes and Vapes

Provides a safe charging solution for single-cell Li-Ion batteries in personal vaporizers.

Q: What battery chemistry does this charger support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports a single cell (1 cell).
Q: What is the maximum charge current?
A: The maximum charge current is 1.1A.
Q: What is the battery voltage?
A: The battery regulation voltage is 4.2V.
Q: What protection is included?
A: It includes Over Temperature protection.
Q: What interface does it use?
A: It uses a USB interface.
Base Product Number : MCP73871
1-Cell 1.1A 20-VFQFN 4.2V Battery Charger Linear Charger Lithium Ion/Polymer USB
Q: What battery chemistry does this charger support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can it charge?
A: It supports a single cell (1 cell).
Q: What is the maximum charge current?
A: The maximum charge current is 1.1A.
Q: What is the battery voltage?
A: The battery regulation voltage is 4.2V.
Q: What protection is included?
A: It includes Over Temperature protection.
Q: What interface does it use?
A: It uses a USB interface.