View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)PMIC - Battery ChargersMCP73841-420I/UN
MCP73841-420I/UN Image
Image may be representation.
See specifications for product details.
EXPRESS OPTION
Payment method

MCP73841-420I/UN - Microchip Technology

Manufacturer Part Number
MCP73841-420I/UN
Manufacturer
Microchip Technology
Allelco Part Number
32D-MCP73841-420I/UN
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC BATT CNTRL LI-ION 1CEL 10MSOP
Package
10-MSOP
Data sheet
1.MCP73841-420I/U.pdf ...
RoHs Status
ROHS3 Compliant
Our certification
In stock: 21076
  • Unit Price: $2.519
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $2.519 $2.52
10+ $2.209 $22.09
30+ $2.025 $60.75
100+ $1.756 $175.60
500+ $1.67 $835.00
1000+ $1.631 $1,631.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
EXPRESS OPTION
Payment method
Our certification

Specifications

MCP73841-420I/UN Tech Specifications
Microchip Technology - MCP73841-420I/UN technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MCP73841-420I/UN

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Max) 12V  
Supplier Device Package 10-MSOP  
Series -  
Programmable Features Timer  
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)  
Package Tube  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Cells 1  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Interface -  
Fault Protection Over Temperature  
Current - Charging -  
Charge Current - Max -  
Battery Pack Voltage 4.2V  
Battery Chemistry Lithium Ion/Polymer  
Base Product Number MCP73841  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

MCP73841-420I/UN

Manufacturer

microchip-technology

Introduction

The MCP73841-420I/UN is a highly integrated lithium-ion/polymer battery charger tailored for single-cell applications, developed by Microchip Technology. It simplifies the design and deployment of battery charging solutions in a wide array of electronic products.

Product Features and Performance

Dedicated to Lithium Ion/Polymer batteries, ensuring compatibility and optimal charging.

Integrated temperature protection to safeguard against overheating during charging.

Supports battery pack voltage of 4.2V, suitable for common lithium-ion/polymer batteries.

Accepts a wide supply voltage range up to 12V, offering flexibility in power sources.

Embedded charge timer for controlled charging periods.

Surface mount technology enables compact and space-efficient designs.

Product Advantages

High level of integration reduces external component requirements.

Temperature protection enhances safety and reliability of the charging process.

The flexibility of power supply compatibility allows for use in various applications and systems.

Compact design facilitated by the 10-MSOP package, saving valuable board space.

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Voltage Supply (Max): 12V

Battery Pack Voltage: 4.2V

Programmable Features: Timer

Fault Protection: Over Temperature

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

Package / Case: 10-TFSOP, 10-MSOP

Quality and Safety Features

Over Temperature Fault Protection to prevent overheating and potential damage.

Built-in safety mechanisms to ensure reliable operation over various environmental conditions.

Compatibility

Exclusively designed for single-cell lithium ion/polymer batteries, ensuring efficient and safe charging.

Application Areas

Portable electronics such as smartphones, tablets, and digital cameras.

Medical devices requiring reliable battery management.

Consumer electronics that benefit from compact, efficient power solutions.

Product Lifecycle

Status: Active, indicating ongoing manufacture and support, with no near-term end of life or discontinuation planned.

Availability of replacements or upgrades is maintained as part of Microchip Technology's commitment to product longevity.

Several Key Reasons to Choose This Product

High integration and minimal external components reduce design complexity.

Advanced safety features protect both the charger and the battery, extending the lifespan of both.

Wide supply voltage range offers versatility in powering the charger.

The compact package is ideal for space-constrained applications.

Reliable performance backed by Microchip Technology, a leader in semiconductor and microcontroller production.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MCP73841-420I/UN

Product Attribute MCP73841-410I/UN MCP73841T-410I/UN MCP73842-840I/UN MCP73842T-840I/UN
Part Number MCP73841-410I/UN MCP73841T-410I/UN MCP73842-840I/UN MCP73842T-840I/UN
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply (Max) - - - -
Fault Protection - - - -
Interface - - - -
Battery Pack Voltage - - - -
Charge Current - Max - - - -
Series - - - -
Current - Charging - - - -
Number of Cells - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Programmable Features - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Battery Chemistry - - - -

MCP73841-420I/UN Datasheet PDF

Download MCP73841-420I/UN pdf datasheets and Microchip Technology documentation for MCP73841-420I/UN - Microchip Technology.

Datasheets
Analog and Interface Product Guide.pdf MCP73841-44.pdf
Other Related Documents
Development Tools Catalog.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.pdf
PCN Assembly/Origin
Lead Frame 11/Nov/2011.pdf
Design Resources
Portable Power Conversion Design Guide.pdf

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.

Write a Review

Your Email address will not be published.

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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

View More
MCP73841-420I/UN Image

MCP73841-420I/UN

Microchip Technology
32D-MCP73841-420I/UN

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB