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Home Products Integrated Circuits (ICs)PMIC - Battery Chargers~~MCP73871T-2AAI/ML~~

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MCP73871T-2AAI/ML - Microchip Technology

Name: Microchip Technology MCP73871T-2AAI/ML
Brand: Microchip Technology
SKU: MCP73871T-2AAI/ML
Price: 0.482 USD
Availability: InStock
Rating: 5 (7 reviews)

Manufacturer Part Number: MCP73871T-2AAI/ML

Manufacturer: Microchip Technology

Allelco Part Number: 32D-MCP73871T-2AAI/ML

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC BATT CHG LI-ION 1CELL 20QFN

Package: 20-QFN (4x4)

Data sheet: 1.MCP73871T-2AAI/.pdf ...

Datasheets
Analog and Interface Product Guide.pdf MCP73871.pdf

PCN Packaging
MBB/Label Chgs 16/Nov/2018.pdf Packing Changes 10/Oct/2016.pdf

PCN Design/Specification
MCP73871 24/Feb/2022.pdf MCP73871 25/Apr/2019.pdf

Design Resources
Portable Power Conversion Design Guide.pdf

RoHs Status: ROHS3 Compliant

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In stock: 18631

Unit Price: $1.315
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$1.315	$1.32
200+	$0.509	$101.80
500+	$0.492	$246.00
1000+	$0.482	$482.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

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Specifications

MCP73871T-2AAI/ML Tech Specifications
Microchip Technology - MCP73871T-2AAI/ML technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MCP73871T-2AAI/ML

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Voltage - Supply (Max)	6V
Supplier Device Package	20-QFN (4x4)
Series	-
Programmable Features	Timer
Package / Case	20-VFQFN Exposed Pad
Package	Tape & Reel (TR)
Operating Temperature	-40°C ~ 85°C (TA)
Number of Cells	1

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Interface	USB
Fault Protection	Over Temperature
Current - Charging	Constant - Programmable
Charge Current - Max	1.1A
Battery Pack Voltage	4.2V
Battery Chemistry	Lithium Ion/Polymer
Base Product Number	MCP73871

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

Manufacturer Part Number

MCP73871T-2AAI/ML

Manufacturer

Microchip Technology

Introduction

Integrated charge management controller for single-cell Li-Ion/Li-Polymer batteries

Product Features and Performance

Integrated charge management controller

Temperature regulation for safe charging

Preconditioning of deeply discharged batteries

Automatic recharge

Charge status outputs for LED indicators or system interface

Product Advantages

Flexible USB or AC adapter charging

High accuracy prespecified charge voltage

Proportional charge current regulation

Internal pass transistor

Thermal shutdown protection

Key Technical Parameters

Battery Chemistry: Lithium-Ion/Polymer

Number of Cells: 1

Constant Charge Current: Programmable

Programmable Timers

Max Charge Current: 1.1A

Battery Pack Voltage: 4.2V

Max Supply Voltage: 6V

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Over Temperature Protection

Thermal Regulation

Under-Voltage Lockout (UVLO)

Automatic End-of-Charge Control

Reverse Discharge Protection

Compatibility

USB compatible

Compatible with single-cell Lithium-Ion or Lithium Polymer battery types

Application Areas

Portable consumer electronics

Battery powered devices

USB charging applications

Energy harvesting applications

Product Lifecycle

Status: Active

Not currently nearing discontinuation

Replacements or upgrades should be sought directly from Microchip Technology for future-proofing

Several Key Reasons to Choose This Product

Uses advanced high-frequency PWM control for efficient battery charging

Provides constant charging current and voltage regulation for precise charging

Supports USB 2.0 standard for power input

Extended temperature range for a variety of environments

Small package design suitable for space-constrained applications

Lead-free, RoHS compliant and environmentally friendly

Comprehensive safety features to protect the battery and host device

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MCP73871T-2AAI/ML

Product Attribute
Part Number	MCP73871T-1AAI/ML	MCP73871T-2CAI/ML	MCP73871T-3CAI/ML	MCP73871T-2CCI/ML
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Battery Chemistry	-	-	-	-
Battery Pack Voltage	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Programmable Features	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Interface	-	-	-	-
Number of Cells	-	-	-	-
Charge Current - Max	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Current - Charging	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Series	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Fault Protection	-	-	-	-
Voltage - Supply (Max)	-	-	-	-

MCP73871T-2AAI/ML Datasheet PDF

Download MCP73871T-2AAI/ML pdf datasheets and Microchip Technology documentation for MCP73871T-2AAI/ML - Microchip Technology.

Datasheets: Analog and Interface Product Guide.pdf MCP73871.pdf
PCN Packaging: MBB/Label Chgs 16/Nov/2018.pdf Packing Changes 10/Oct/2016.pdf
PCN Design/Specification: MCP73871 24/Feb/2022.pdf MCP73871 25/Apr/2019.pdf
Design Resources: Portable Power Conversion Design Guide.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

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