MCP73842-820I/UN The Microchip Technology MCP73842-820I/UN is a linear charge management controller designed for 1-2 cell Lithium Ion/Polymer battery packs. It offers high-accuracy voltage regulation and operates over a wide temperature range.
Mfr Part #:

MCP73842-820I/UN

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP73842-820I/UN is a linear charge management controller designed for 1-2 cell Lithium Ion/Polymer battery packs. It offers high-accuracy voltage regulation and operates over a wide temperature range.
✓ Total Stock: 30,506 pcs
$ Price Range: $1.29

MCP73842-820I/UN Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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30,506 pcs
30506 pcs On Request 1 On Request On Request 2020+ On Request On Request

MCP73842-820I/UN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Fault Protection
Mounting Type
Number of Cells
Operating Temperature
Programmable Features
Supplier Device Package
Supplier Package
Voltage

MCP73842-820I/UN Description

Short technical summary and product information.

The MCP73842-820I/UN from Microchip Technology is a highly advanced linear charge management controller suitable for space-limited and cost-sensitive applications. It is designed for Lithium-Ion or Lithium-Polymer battery packs, specifically supporting dual series cell configurations with a battery pack voltage of 8.2V.

 

Key electrical features include a high-accuracy preset voltage regulation of ±0.5% maximum. The device supports programmable charge current and safety timers, along with preconditioning for deeply depleted cells and automatic end-of-charge control. It operates within an input voltage range of 8.7V to 12V and maintains functionality across an operating temperature range of -40°C to 85°C.

 

This controller is available in a 10-MSOP package, suitable for surface mount applications. It provides essential features for battery charging management, including fault protection for over-temperature conditions and a charge status output for direct LED drive. The MCP73842-820I/UN is an ideal solution for applications such as portable data assistants, cellular telephones, and hand-held instruments requiring reliable battery charging.

 

Environmental compliance includes RoHS3 status as compliant, REACH unaffected, and an MSL of 1. The device is designed for surface mounting, fitting into compact designs.

MCP73842-820I/UN Quick Information

Product Type: Battery Charger IC
Canonical Name: MCP73842-820I/UN Linear Charge Management Controller
Subcategory: Linear

MCP73842-820I/UN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MCP73842-820I/UN Estimated Pricing

Qty Low High
1+ $1.29 $1.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

MCP73842-820I/UN Features

  • High-accuracy preset voltage regulation ±0.5%.
  • Supports 1 to 2 cell Lithium Ion/Polymer batteries.
  • 8.2V battery pack voltage capability.
  • Operates from -40°C to 85°C.
  • Compact 10-MSOP surface mount package.

MCP73842-820I/UN Applications

  • Ideal for portable data assistants.
  • Suitable for cellular telephones.
  • Used in hand-held instruments.
  • Designed for cradle chargers.
  • Applicable for digital cameras.

MCP73842-820I/UN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the preset charge voltage of the MCP73842-820I/UN?

The preset charge voltage is 8.2V with ±0.5% accuracy.

What package does the MCP73842-820I/UN come in?

It is available in a 10-MSOP surface-mount package (also 10-TFSOP).

What is the operating temperature range?

-40°C to 85°C.

What battery chemistry does the MCP73842-820I/UN support?

Lithium Ion/Polymer.

How many cells can the MCP73842-820I/UN charge?

1 to 2 cells.

What is the input voltage range for the MCP73842-820I/UN?

8.7V to 12V.

What fault protection features are included?

Over-temperature protection.

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