MCP73831T-2ACI/MC

The MCP73831T-2ACI/MC is a compact, highly efficient linear charge management controller for single-cell lithium-ion or lithium-polymer batteries. Manufactured by Microchip Technology, it is designed for space-constrained applications and features a simple, low-cost solution for battery charging. The device operates with an input voltage range from 3.75V to 6V, making it compatible with USB power sources.
Key features include automatic charge termination, thermal regulation, and charge status indication through status pins. It provides a programmable charge current up to 500mA, configurable via an external resistor. The MCP73831T-2ACI/MC effectively manages charge cycles with preconditioning, constant current, and constant voltage charging phases. It also incorporates safety features such as over-temperature protection and reverse discharge blocking.
The package for this part is typically SOT-23, which is ideal for applications requiring minimal component footprint. Its efficient design and integrated features make it suitable for a variety of applications, including portable electronics, wearables, and other battery-powered devices.

The MCP73831T-2ACI/MC is a compact, highly versatile linear charge management controller designed for single-cell lithium-ion/lithium-polymer batteries. It operates with a constant current/constant voltage (CC/CV) charging algorithm, ensuring efficient and safe charging. Key features include:
1. Voltage Regulation: Fixed voltage regulation at 4.2V, suitable for single-cell batteries.
2. Charging Current: Programmable charging current up to 500mA, allowing flexibility in design specifications.
3. Thermal Regulation: Built-in thermal regulation optimizes charging to prevent overheating, enhancing safety.
4. Low Shutdown Current: Features a low quiescent current of 2µA when not in use, improving energy efficiency.
5. Automatic End-of-Charge Control: Automatically terminates charging when the battery reaches full capacity, preventing overcharging.
6. Status Indicator: Provides status outputs for charge indication, useful for integrating into user interfaces.
7. Small Package: Available in a space-saving SOT-23-5 package, ideal for compact applications.
8. Wide Input Voltage Range: Operates within a wide voltage range from 3.75V to 6V, compatible with various power sources.
These features make the MCP73831T-2ACI/MC suitable for portable electronics, mobile devices, and other applications requiring reliable and efficient battery charging.

The MCP73831T-2ACI/MC is a lithium-ion/lithium-polymer battery charge management controller in a SOT-23-5 package.

The MCP73831T-2ACI/MC is a highly integrated linear charge management controller designed for use in space-limited and cost-sensitive applications. This device is specifically optimized for single-cell lithium-ion/lithium-polymer battery charging.
Pin Count:
The MCP73831T-2ACI/MC comes in a 5-pin SOT-23 package.
Pin Functions:
1. VBAT (Pin 1): Battery connection pin, connected directly to the positive terminal of the battery.

2. VDD (Pin 2): Input supply voltage pin, where the input power is applied. It typically requires a bypass capacitor for stability.

3. STAT (Pin 3): Status output pin, used to indicate the charging status through an LED or microcontroller interface. It is active-low and typically signals charging and charge completion status.

4. PROG (Pin 4): Programming pin, used to set the charging current by connecting a resistor from this pin to ground.

5. GND (Pin 5): Ground pin, common ground reference for the device.
The MCP73831 is designed to operate with minimal external components, which simplifies the design process and reduces the overall system cost.

The MCP73831T-2ACI/MC is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. These products are used in a wide range of applications across various industries, including automotive, consumer electronics, industrial, and telecommunications. Microchip's offerings help designers create optimized, feature-rich, and efficient products.

The MCP73831T-2ACI/MC is a highly integrated Li-Ion/Li-Polymer battery charge management controller. Its compact design and efficiency make it suitable for various application areas, including portable electronics, wearable devices, digital cameras, smartphones, MP3 players, and other consumer electronics requiring single-cell battery charging. Its features are optimized for space-constrained applications where efficient power management is crucial.

The MCP73831T-2ACI/MC is a linear charge management controller for single-cell lithium-ion batteries. Equivalent products include:
1. TP4056 - A lithium battery charger IC with similar functionality.
2. MAX1551/MAX1555 - Both are single-cell lithium-ion battery chargers.
3. BQ24040 - A highly integrated lithium-ion charger from Texas Instruments.
4. CN3052A - A linear charger IC with compatible features.
Always verify the specifications to ensure compatibility with your application.