Microchip Technology's MCP73114T-0NSI/MF Single-Cell Li-Ion/Li-Polymer Charge Management Controller

The MCP73114T-0NSI/MF is a highly integrated lithium-ion/lithium-polymer charge management controller from Microchip Technology, designed for single-cell battery applications. This advanced solution provides a robust and efficient means for battery charging, offering a compact and cost-effective package for a wide range of portable devices.

Key Features:

• Integrated Pass Transistor: The MCP73114T-0NSI/MF includes an internal pass transistor which simplifies the circuit design and reduces the overall component count.
• High-Accuracy Voltage Regulation: This charge controller maintains tight control over the final battery voltage with a precision of ±0.5%, ensuring optimal performance and longevity of the battery.
• Programmable Charge Current: Users can set the desired charge current according to their specific application needs, providing flexibility and convenience.
• Thermal Regulation: To protect the battery and circuitry, the MCP73114T-0NSI/MF features thermal regulation, which reduces the charge current if the temperature of the device exceeds a predetermined threshold.
• Automatic End-of-Charge Control: The device includes an automatic charge termination feature, which stops the charging process once the battery is fully charged, enhancing safety and preventing overcharging.
• Preconditioning of Deeply Depleted Cells: For batteries that have been deeply discharged, the MCP73114T-0NSI/MF offers a preconditioning function that gently ramps up the current to revive the cells safely.
• Status Indication: An on-chip status output pin can be used to drive an LED, providing visual feedback on the charging process and the state of the battery.

Applications:

The MCP73114T-0NSI/MF is suitable for a variety of applications where efficient and reliable battery charging is crucial. These include portable electronics such as digital cameras, Bluetooth headsets, handheld gaming devices, and smart wearables. Its small form factor and comprehensive feature set make it an excellent choice for designers looking to optimize their power management solutions.