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Microchip Battery Charge Controller IC 3.75 V to 6 V Input 4.2 V Output 500 mA SOT-23 5-Pin MCP73811T-420I/OT

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Microchip Battery Charge Controller IC 3.75 V to 6 V Input 4.2 V Output 500 mA SOT-23 5-Pin MCP73811T-420I/OT

Name: Microchip Battery Charge Controller IC 3.75 V to 6 V Input 4.2 V Output 500 mA SOT-23 5-Pin MCP73811T-420I/OT
Brand: Microchip
SKU: 223917
Price: 20.22 USD
Availability: InStock

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Category Battery Management IC Brand Microchip Condition New

Specifications

Country of Origin	Thailand
Brand	Microchip
Height	1.3mm
Length	3.1mm
Model	MCP73811T-420I/OT
Mount Type	Surface
Series	MCP73811
Output Current	500mA
Maximum Operating Temperature	85°C
Package Type	SOT-23
Sub Type	Battery Charge Controller IC
Minimum Operating Temperature	-40°C
Interfaces	USB chargers
Pin Count	5
Maximum Supply Voltage	6V
Minimum Supply Voltage	3.75V

Key Features

Designed for single-cell lithium-ion and lithium-polymer battery charging.
Features high accuracy voltage regulation with ±0.75% tolerance.
Programmable charge current ranging from 15 mA up to 500 mA.
Includes integrated pass transistor, current sensing, and reverse discharge protection.
Compact SOT-23 package ideal for space-limited designs.
Integrated thermal regulation for safe operation.
Charge status output suitable for LED indicators.
Wide operating temperature range from -40°C to 85°C.

Product Description

Microchip MCP73811T-420I/OT is a highly integrated battery charge controller IC designed for efficient charging of single-cell lithium-ion and lithium-polymer batteries. Operating over a supply voltage range of 3.75 V to 6 V, it delivers a regulated 4.2 V output at up to 500 mA charge current, optimized for compact and cost-effective applications.

This device comes in a small SOT-23 package with 5 pins, making it ideal for space-constrained designs while providing integrated pass transistor, current sensing, and reverse discharge protection functionalities. The controller uses a constant current charging algorithm with selectable preconditioning and termination thresholds, ensuring battery longevity and safety.

With high-accuracy preset voltage regulation within ±0.75%, the MCP73811T-420I/OT supports four selectable voltage regulation options: 4.2 V, 4.35 V, 4.4 V, and 4.5 V, allowing flexibility for various battery chemistries. Thermal regulation integrated on-chip protects against overheating during operation.

The charge status output pin enables easy monitoring via LEDs, providing clear visual indication of the charging state. The product supports USB charger compatibility, making it suitable for portable consumer electronics such as Bluetooth headsets, digital cameras, PDAs, cellular telephones, MP3 players, and other battery-powered devices.

Operating temperature ranges from -40°C to 85°C, making the controller reliable for a variety of industrial and consumer applications. Manufactured in Thailand, this Battery Management IC offers a cost-effective solution for precise and safe battery charging in both commercial and industrial settings.

Designed for single-cell lithium-ion and lithium-polymer battery charging. High accuracy voltage regulation with ±0.75% tolerance. Programmable charge current from 15 mA to 500 mA. Integrated pass transistor, current sensing, and reverse discharge protection.

Compact 5-pin SOT-23 package suitable for space-constrained designs. Integrated thermal regulation for enhanced safety. Charge status output compatible with LED indicators. Wide operating temperature of -40°C to 85°C. Compatible with USB chargers for portable applications.

Explore the wide range of Microchip battery charge controllers and power management ICs at EnvMart for your industrial, laboratory, and commercial projects requiring reliable battery management solutions.