사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current |
| Fault Protection | Over Voltage |
| Charge Current - Max | 500mA |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The MCP73831T-2ACI/MC is a microchip from the MCP73831 series, designed for managing lithium-ion or lithium-polymer battery charging. It offers a highly integrated, space-efficient solution ideal for portable applications. This linear charge management controller operates with a constant current/constant voltage (CC/CV) algorithm, automatically handling the charging process.
Key features include a programmable charge current up to 500 mA, a precise preconditioning mode for deeply discharged cells, and automatic end-of-charge termination. It supports a variety of input sources including USB ports and wall adapters. The device operates with minimal external components, easing the design process and reducing costs.
Additionally, the MCP73831T-2ACI/MC includes safety features such as thermal regulation, under-voltage lockout, and overvoltage protection, ensuring reliable operation in diverse environments. With an operating voltage range of 3.75V to 6V, it is typically packaged in a compact SOT-23-5 package, making it suitable for space-constrained applications. Its simplicity, low cost, and robust performance make it a popular choice for battery management in consumer electronics.
Key features include a programmable charge current up to 500 mA, a precise preconditioning mode for deeply discharged cells, and automatic end-of-charge termination. It supports a variety of input sources including USB ports and wall adapters. The device operates with minimal external components, easing the design process and reducing costs.
Additionally, the MCP73831T-2ACI/MC includes safety features such as thermal regulation, under-voltage lockout, and overvoltage protection, ensuring reliable operation in diverse environments. With an operating voltage range of 3.75V to 6V, it is typically packaged in a compact SOT-23-5 package, making it suitable for space-constrained applications. Its simplicity, low cost, and robust performance make it a popular choice for battery management in consumer electronics.
Equivalent
The MCP73831T-2ACI/MC is a single-cell Li-Ion/Li-Polymer charge management controller. Equivalent products include:
1. TP4056: A linear Li-Ion battery charger with a similar feature set.
2. MAX1555/MAX1551: Simple Li-ion battery chargers with USB and AC adapter inputs.
3. BQ24072: A highly integrated Li-Ion battery charger from Texas Instruments.
4. CN3052A: A single-cell battery charger IC with similar functionality.
Ensure compatibility based on specific power, current, and additional design requirements when selecting a replacement.
1. TP4056: A linear Li-Ion battery charger with a similar feature set.
2. MAX1555/MAX1551: Simple Li-ion battery chargers with USB and AC adapter inputs.
3. BQ24072: A highly integrated Li-Ion battery charger from Texas Instruments.
4. CN3052A: A single-cell battery charger IC with similar functionality.
Ensure compatibility based on specific power, current, and additional design requirements when selecting a replacement.
Features
The MCP73831T-2ACI/MC is a highly efficient linear charge management controller specifically designed for single-cell lithium-ion and lithium-polymer batteries. Key features include:
1. Input Voltage Range: Operates within a wide input voltage range from 3.75V to 6V, making it suitable for USB and wall adapter sources.
2. Charge Termination: Offers automatic end-of-charge termination based on programmed conditions, ensuring safety and battery longevity.
3. Charge Current Regulation: Provides adjustable charge current, programmable via an external resistor, allowing flexibility for various battery capacities.
4. Thermal Regulation: Incorporates thermal regulation to reduce the charge current if the device temperature exceeds a certain threshold, preventing overheating.
5. Status Indicators: Includes charge status output for easy monitoring, indicating charging, standby, and fault conditions.
6. Safety Features: Integrates safety timers and voltage regulation for over-voltage protection, enhancing reliability.
7. Compact Package: Available in a small SOT-23-5 package, ideal for space-constrained applications.
These features make the MCP73831T-2ACI/MC an optimal choice for portable electronics requiring efficient and safe battery charging solutions.
1. Input Voltage Range: Operates within a wide input voltage range from 3.75V to 6V, making it suitable for USB and wall adapter sources.
2. Charge Termination: Offers automatic end-of-charge termination based on programmed conditions, ensuring safety and battery longevity.
3. Charge Current Regulation: Provides adjustable charge current, programmable via an external resistor, allowing flexibility for various battery capacities.
4. Thermal Regulation: Incorporates thermal regulation to reduce the charge current if the device temperature exceeds a certain threshold, preventing overheating.
5. Status Indicators: Includes charge status output for easy monitoring, indicating charging, standby, and fault conditions.
6. Safety Features: Integrates safety timers and voltage regulation for over-voltage protection, enhancing reliability.
7. Compact Package: Available in a small SOT-23-5 package, ideal for space-constrained applications.
These features make the MCP73831T-2ACI/MC an optimal choice for portable electronics requiring efficient and safe battery charging solutions.
Pinout
The MCP73831T-2ACI/MC is a highly integrated linear charge management controller for use in space-limited and cost-sensitive applications. It is specifically designed for single-cell lithium-ion or lithium-polymer battery charging. The device is available in a 5-pin SOT-23 package.
Here is the pin count and basic function for each pin:
1. STAT (Pin 1): Status output. This pin indicates the charging status. It typically connects to an LED or a microcontroller to signal when the battery is charging or fully charged.
2. VSS (Pin 2): Ground. This pin serves as the ground reference for the device.
3. VBAT (Pin 3): Battery connection. This pin is connected to the positive terminal of the battery. It is the output of the charger and provides the charging current to the battery.
4. VDD (Pin 4): Supply input. This pin connects to the input voltage source, which powers the device and provides the power for charging the battery.
5. PROG (Pin 5): Program input. This pin is used to set the charging current by connecting it to an external resistor to ground.
The MCP73831T-2ACI/MC efficiently manages the battery's charging process, ensuring safe and reliable operation.
Here is the pin count and basic function for each pin:
1. STAT (Pin 1): Status output. This pin indicates the charging status. It typically connects to an LED or a microcontroller to signal when the battery is charging or fully charged.
2. VSS (Pin 2): Ground. This pin serves as the ground reference for the device.
3. VBAT (Pin 3): Battery connection. This pin is connected to the positive terminal of the battery. It is the output of the charger and provides the charging current to the battery.
4. VDD (Pin 4): Supply input. This pin connects to the input voltage source, which powers the device and provides the power for charging the battery.
5. PROG (Pin 5): Program input. This pin is used to set the charging current by connecting it to an external resistor to ground.
The MCP73831T-2ACI/MC efficiently manages the battery's charging process, ensuring safe and reliable operation.
Manufacturer
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. The company designs and manufactures semiconductor products for a broad range of applications in the consumer, automotive, industrial, and telecommunications markets, among others. Microchip's product offerings include microcontrollers, development tools, analog and interface products, memory, and more, making it a key player in the semiconductor industry.
Application
The MCP73831T-2ACI/MC is a highly versatile linear charge management controller designed for lithium-ion and lithium-polymer rechargeable batteries. Its compact design and efficient performance make it ideal for a wide range of applications, including portable electronics, wearable devices, and small handheld gadgets. It's commonly used in consumer electronics such as smartphones, MP3 players, and digital cameras due to its ability to reliably manage battery charging cycles. Additionally, its low-cost and minimal-external-component requirements make it suitable for use in standalone battery charging docks and embedded systems within IoT devices. The device supports USB charging, further enhancing its applicability in modern electronics.
Package
The MCP73831T-2ACI/MC is a lithium-ion/lithium-polymer charge management controller with a SOT-23-5 package type. This surface-mount package is small and designed for compact applications, providing efficient battery charging control.
