MCP73832T-2DCI/OT

The MCP73832T-2DCI/OT is a highly integrated lithium-ion (Li-ion) and lithium-polymer (LiPo) battery charger IC from Microchip Technology. This device is designed for space-constrained applications, providing a compact solution for charging single-cell batteries. Below is a detailed description of its features, specifications, and applications:

Key Features:

1. Charging Capability: The MCP73832T-2DCI/OT supports constant current/constant voltage (CC/CV) charging, which is essential for safely charging Li-ion and LiPo batteries. It ensures that the battery is charged efficiently and safely, preventing overcharging.

2. Input Voltage Range: The device operates with a wide input voltage range, typically from 4.5V to 6.0V, making it compatible with various power sources, including USB and wall adapters.

3. Charge Current: The MCP73832T-2DCI/OT can be configured to provide a charge current of up to 500mA, which is suitable for many portable applications. The charge current can be set using an external resistor.

4. Thermal Regulation: The IC features thermal regulation to prevent overheating during the charging process. If the junction temperature exceeds a certain threshold, the charge current is reduced to protect the device and the battery.

5. Status Indication: The MCP73832T-2DCI/OT includes status output pins that provide visual indicators for charging status. This can be useful for user interfaces, allowing users to see when the battery is charging or fully charged.

6. Low Quiescent Current: The device has a low quiescent current, which is beneficial for battery-powered applications, as it helps to extend battery life when the charger is not in use.

7. Compact Package: The MCP73832T-2DCI/OT is available in a small 8-pin DFN (Dual Flat No-lead) package, which is ideal for space-constrained designs.

8. Protection Features: The IC includes built-in protection features such as overvoltage protection, undervoltage lockout, and reverse current protection, enhancing the safety and reliability of the charging process.

Applications:

The MCP73832T-2DCI/OT is suitable for a variety of applications, including:

• Portable consumer electronics (smartphones, tablets, wearables)
• Battery-powered devices (remote controls, wireless sensors)
• IoT devices that require efficient battery management
• Medical devices that rely on rechargeable batteries
• Any application requiring a compact and efficient battery charging solution

Conclusion:

The MCP73832T-2DCI/OT from Microchip Technology is a versatile and efficient battery charger IC that provides a reliable solution for charging single-cell Li-ion and LiPo batteries. Its compact design, combined with essential features like thermal regulation and status indication, makes it an excellent choice for a wide range of portable and battery-operated applications.