Microchip Technology MCP73871T-1AAI/ML

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
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 4.1V
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 MCP73871T-1AAI/ML from Microchip Technology is a USB-compatible linear charge management controller for single-cell Lithium Ion/Polymer batteries. It supports a charge current of up to 1.1A and regulates the battery voltage at 4.1V. The device includes Over Temperature protection and is housed in a 20-VFQFN package. It operates over a temperature range of -40°C to 85°C, making it a flexible solution for USB-powered portable devices.

  • USB Interface: Simplifies design for USB-powered charging applications.
  • High Charge Current: Supports up to 1.1A for efficient charging.
  • Thermal Protection: Over Temperature protection enhances system safety.
  • Wide Temperature Range: Operates from -40°C to 85°C for versatile use.

USB-Powered Devices

With a USB interface and 1.1A charge current, it is perfect for devices charged directly from a USB port.

Portable Media Players

Ideal for PMPs and handheld gaming consoles that require a 4.1V single-cell battery and USB charging.

Smart Home Devices

For smart home sensors and hubs, this charger provides a reliable USB-based charging solution.

Digital Cameras

Its robust feature set makes it suitable for charging batteries in compact digital cameras.

Communication Devices

Can be used in two-way radios and other communication equipment that rely on single-cell Lithium Ion/Polymer batteries.

Q: What battery chemistry does the MCP73871T-1AAI/ML support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can this charger handle?
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 pack voltage?
A: The battery pack voltage is 4.1V.
Q: What interface does it use?
A: It uses a USB interface.
Q: What fault protection is included?
A: It includes Over Temperature protection.
Base Product Number : MCP73871
1.1A 20-VFQFN 4.1V Battery Charger Lithium Ion/Polymer USB Charger
Q: What battery chemistry does the MCP73871T-1AAI/ML support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many cells can this charger handle?
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 pack voltage?
A: The battery pack voltage is 4.1V.
Q: What interface does it use?
A: It uses a USB interface.
Q: What fault protection is included?
A: It includes Over Temperature protection.