사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Timer |
| FaultProtection | Over Temperature |
| ChargeCurrent-Max | 1A |
| BatteryPackVoltage | 4.2V |
| Voltage-Supply(Max) | 6V |
| Interface | USB |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-VFQFN Exposed Pad |
개요
Description
The MCP73871T-2CCI/ML is a highly integrated Li-Ion/Li-Polymer battery charge management controller from Microchip Technology. It is designed for applications that require efficient and safe battery charging from both USB and AC adapter power sources. This device features a dual-input selectable power path, allowing it to seamlessly switch between power sources, which ensures constant power delivery to the system while charging the battery.
Key features include a programmable charge current, preconditioning, and charge termination options, as well as automatic power source selection. The MCP73871T-2CCI/ML supports charge currents up to 1.8A and includes safety features like thermal regulation, overvoltage protection, and timer-based charge termination to prevent overcharging.
Its compact QFN package and minimal external components make it suitable for space-constrained applications. The device is commonly used in portable electronics, wearable devices, and other battery-operated systems where efficient power management is critical. Its flexibility and robust feature set make it an ideal choice for optimizing battery life and performance.
Key features include a programmable charge current, preconditioning, and charge termination options, as well as automatic power source selection. The MCP73871T-2CCI/ML supports charge currents up to 1.8A and includes safety features like thermal regulation, overvoltage protection, and timer-based charge termination to prevent overcharging.
Its compact QFN package and minimal external components make it suitable for space-constrained applications. The device is commonly used in portable electronics, wearable devices, and other battery-operated systems where efficient power management is critical. Its flexibility and robust feature set make it an ideal choice for optimizing battery life and performance.
Equivalent
The MCP73871T-2CCI/ML is a Li-Ion/Li-Po battery charge management controller from Microchip. Equivalent products include:
1. Texas Instruments BQ24072 - A linear battery charger with power-path management.
2. Linear Technology (Analog Devices) LTC4054 - A standalone linear Li-Ion battery charger with an integrated power path.
3. Maxim Integrated (Analog Devices) MAX8900 - A power path manager for single-cell Li-ion battery.
These alternatives offer similar functionalities like charge management and power path control.
1. Texas Instruments BQ24072 - A linear battery charger with power-path management.
2. Linear Technology (Analog Devices) LTC4054 - A standalone linear Li-Ion battery charger with an integrated power path.
3. Maxim Integrated (Analog Devices) MAX8900 - A power path manager for single-cell Li-ion battery.
These alternatives offer similar functionalities like charge management and power path control.
Features
The MCP73871T-2CCI/ML is a highly integrated, USB and AC adapter-compatible Li-Ion/Li-Polymer battery charge management controller. Key features include:
1. Dual Power Source Capability: Supports simultaneous battery charging from USB and an AC adapter, optimizing power delivery.
2. PowerPath Management: Ensures continuous power supply to the system even when the battery is deeply discharged or removed.
3. Charge and Power Management: Offers programmable charge current up to 1.8A and supports preconditioning, fast charge, and constant voltage modes.
4. Thermal Regulation: Includes thermal regulation to control device temperature and prevent overheating during operation.
5. Status Indicators: Provides charge status and power good indicators for easy monitoring.
6. Safety Features: Comes with built-in safety timers, overvoltage protection, and undervoltage lockout to ensure safe operation.
7. Compact Package: Available in a 20-Lead 4x4 QFN package, making it suitable for space-constrained applications.
These features make the MCP73871T-2CCI/ML suitable for portable and handheld applications requiring efficient and safe battery charging solutions.
1. Dual Power Source Capability: Supports simultaneous battery charging from USB and an AC adapter, optimizing power delivery.
2. PowerPath Management: Ensures continuous power supply to the system even when the battery is deeply discharged or removed.
3. Charge and Power Management: Offers programmable charge current up to 1.8A and supports preconditioning, fast charge, and constant voltage modes.
4. Thermal Regulation: Includes thermal regulation to control device temperature and prevent overheating during operation.
5. Status Indicators: Provides charge status and power good indicators for easy monitoring.
6. Safety Features: Comes with built-in safety timers, overvoltage protection, and undervoltage lockout to ensure safe operation.
7. Compact Package: Available in a 20-Lead 4x4 QFN package, making it suitable for space-constrained applications.
These features make the MCP73871T-2CCI/ML suitable for portable and handheld applications requiring efficient and safe battery charging solutions.
Pinout
The MCP73871T-2CCI/ML is a highly integrated Li-Ion/Li-Polymer charge management controller with a USB/AC-adapter dual power source selection. It is designed for applications in portable devices and is available in a 20-pin QFN package.
Pin Count: 20 pins
Key Functions:
- Charge Management: It can manage the charging of batteries from USB or AC adapter power sources.
- Power Path Control: Provides seamless transition between power sources, optimizing battery life and device operation.
- Automatic Power Source Selection: Detects and selects the appropriate power source for charging.
- Programmable Charge Current: Supports up to 1.8A charge current configuration.
- Status and Fault Indication: Offers status outputs for charge state and fault reporting.
- Thermal Regulation: Includes thermal regulation to prevent overheating during charging.
- Battery Voltage Regulation: Ensures accurate battery voltage limits for safe charging.
This controller is particularly useful for integrating battery charging and power management in compact portable electronics with multiple power sourcing options.
Pin Count: 20 pins
Key Functions:
- Charge Management: It can manage the charging of batteries from USB or AC adapter power sources.
- Power Path Control: Provides seamless transition between power sources, optimizing battery life and device operation.
- Automatic Power Source Selection: Detects and selects the appropriate power source for charging.
- Programmable Charge Current: Supports up to 1.8A charge current configuration.
- Status and Fault Indication: Offers status outputs for charge state and fault reporting.
- Thermal Regulation: Includes thermal regulation to prevent overheating during charging.
- Battery Voltage Regulation: Ensures accurate battery voltage limits for safe charging.
This controller is particularly useful for integrating battery charging and power management in compact portable electronics with multiple power sourcing options.
Manufacturer
The MCP73871T-2CCI/ML is manufactured by Microchip Technology Inc. Microchip Technology is a publicly traded company that specializes in the production of microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. It is a semiconductor company that provides a wide range of embedded control solutions. These solutions are utilized in a variety of applications across different industries including automotive, consumer electronics, industrial, and computing. The company is known for its comprehensive product portfolio, which includes microcontrollers, analog and interface products, and memory products, enabling designers to create efficient and innovative electronic products.
Application
The MCP73871T-2CCI/ML is a Li-Ion/Li-Polymer charge management controller that is typically used in applications requiring efficient battery charging and management. Key application areas include portable electronics, smartphones, tablets, wearable devices, backup battery systems, and power banks. It is suitable for energy harvesting applications due to its integrated power path management and dual-input source selection, allowing seamless integration of solar or other renewable energy sources. Its ability to provide dynamic power management and USB compatibility makes it ideal for devices that require reliable charging solutions while maintaining power to the load.
Package
The MCP73871T-2CCI/ML is packaged in a 20-Lead QFN (Quad Flat No-Lead) with dimensions of 4x4 mm. It is designed for managing battery charging in portable applications.