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Microchip Battery Charge Controller IC 3.75 V to 6 V Input 4.168 V Output 15 mA SOT-23 5-Pin MCP73831T-2DCI/OT
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.3mm |
| Length | 3.1mm |
| Model | MCP73831T-2DCI/OT |
| Mount Type | Surface |
| Series | MCP73831 |
| Output Current | 15mA |
| 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 Li-Ion and Li-Polymer battery charging applications.
- Features a small SOT-23 package optimized for space and cost efficiency.
- Employs high accuracy pre-set voltage regulation with ±0.75% tolerance.
- Programmable charge current ranges from 15 mA to 500 mA.
- Includes integrated pass transistor, current sensing, and reverse discharge protection.
- Provides charge status output suitable for LED indicators.
- Integrated thermal regulation enhances safety during battery charging.
- Compatible with USB chargers and small portable electronic devices.
Product Description
Microchip MCP73831T-2DCI/OT Battery Charge Controller IC is a highly efficient linear controller designed specifically for charging single-cell Lithium-Ion and Lithium-Polymer batteries. This device integrates key functionalities such as pass transistor, current sensing, and reverse discharge protection into a compact 5-pin SOT-23 package to minimize PCB footprint and manufacturing costs.
The controller operates over an input voltage range of 3.75 V to 6 V and provides a regulated output of 4.168 V at a programmable charge current of 15 mA, supporting applications from Bluetooth headsets to digital cameras and personal data assistants. It offers four precise voltage regulation options (4.2 V, 4.35 V, 4.4 V, and 4.5 V) with an accuracy of ±0.75%, ensuring safe and optimal battery charging.
The MCP73831 series incorporates an integrated thermal regulation feature to prevent overheating and prolong battery life. Its charge status output pin allows simple connection to LED indicators for user-friendly charge monitoring. Designed to perform reliably within a temperature range from -40°C to 85°C, this controller suits diverse industrial and commercial battery management applications.
Typical use cases include battery charging management in USB-powered devices, Bluetooth audio equipment, MP3 players, cellular phones, and compact digital cameras. Its surface-mount SOT-23 package with a 5-pin count facilitates automated manufacturability and compact device assembly.
Small SOT-23 package reduces overall board space requirements. High accuracy voltage regulation ensures safe battery voltage compliance. Selectable voltage options adapt to various battery chemistries. Programmable charge current enhances flexibility for different battery capacities.
Integrated protection features improve battery and device safety. Charge status feedback enables clear user indication. Thermal regulation prevents device and battery overheating. Wide operating temperature range supports harsh environments.
Compatible with multiple portable battery-powered devices.
Explore additional Microchip Battery Management ICs at EnvMart for comprehensive power and battery solutions tailored to industrial, consumer electronics, and laboratory applications.
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Frequently Asked Questions
This model operates over an input voltage range of 3.75 V to 6 V.
It provides a regulated output voltage of 4.168 V.
The maximum output current for this unit is 15 mA.
The SOT-23 package has a height of 1.3 mm and a length of 3.1 mm.
It operates within a temperature range from -40°C to 85°C.
It is designed specifically for charging single-cell Lithium-Ion and Lithium-Polymer batteries.
Yes, it includes reverse discharge protection and integrated thermal regulation to enhance safety during charging.
It is compatible with USB chargers and small portable electronic devices.
This model has a pin count of 5.
It offers four precise voltage regulation options: 4.2 V, 4.35 V, 4.4 V, and 4.5 V.
Typical applications include battery charging management in USB-powered devices, Bluetooth audio equipment, MP3 players, cellular phones, and compact digital cameras.
The charge status output pin allows for simple connection to LED indicators for user-friendly charge monitoring.
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