MCP73853T-I/ML

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MCP73853T-I/ML

IC BATT CONTRL LI-ION 1CEL 16QFN

  • 제조업체Microchip Technology
  • Mfr.부분 #MCP73853T-I/ML
  • 패키지
  • 데이터시트 MCP73853T-I/ML DataSheet
  • 재고 있음5399

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배송 준비 24 시간

365 일 보장

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사양

Part Status Active
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Timer
Charge Current - Max 475mA
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-VQFN Exposed Pad
Supplier Device Package 16-QFN (4x4)
Base Product Number MCP73853

개요

Description

The MCP73853T-I/ML is a highly integrated lithium-ion (Li-ion) and lithium-polymer (LiPo) battery management system designed for charging applications. It features a linear charger with an internal power path management, enabling simultaneous charging and powering of the load. The device supports various charging modes, including constant-current (CC) and constant-voltage (CV) modes, ensuring safe and efficient battery charging.
Key features include:
- Input voltage range: 4.5V to 6V
- Charge current up to 1A, adjustable via external resistors
- Integrated thermal regulation to manage charging temperatures
- Status indicators for charge completion and fault conditions
- Small form factor, suitable for space-constrained applications
The MCP73853T-I/ML is ideal for portable devices, such as smartphones and wearable technology, providing a reliable solution for battery management in consumer electronics.

Features

The MCP73853T-I/ML is a highly integrated Li-Ion/Li-Polymer battery charger IC from Microchip Technology. Key features include:
1. Charge Management: Supports constant current/constant voltage (CC/CV) charging profiles.
2. Input Voltage Range: Operates with a wide input voltage range of 4.5V to 12V.
3. Programmable Charge Current: Adjustable charge current up to 1A using an external resistor.
4. Low Power Consumption: Supports low quiescent current, enhancing efficiency.
5. Thermal Regulation: Includes thermal regulation for safe charging under varying temperatures.
6. Status Indication: Provides charge status through dedicated LED outputs for visual feedback.
7. Battery Temperature Monitoring: Supports external thermistor for temperature-compensated charging.
8. Safety Features: Incorporates overvoltage protection and short-circuit protection.
9. Compact Package: Available in a small 8-lead DFN package for space-constrained applications.
These features make the MCP73853T-I/ML suitable for various battery-powered applications, ensuring efficient and safe charging.

Package

The MCP73853T-I/ML is packaged in a 5-lead SOT-23 (SOT-23-5) surface mount package. This compact package design is suitable for space-constrained applications while providing efficient thermal performance.

Pinout

The MCP73853T-I/ML is a single-cell lithium-ion/lithium-polymer battery charger from Microchip Technology, housed in a 5-pin SOT-23 package.
Pin Count: 5 pins
Pin Functions:
1. VDD (Pin 1): Power supply input for the charger; connects to the input voltage source.
2. GND (Pin 2): Ground reference for the device.
3. STAT (Pin 3): Status output pin; indicates the charging status (charging, charged, or fault).
4. VBAT (Pin 4): Battery connection; used to charge the battery.
5. PROG (Pin 5): Charge current programming pin; sets the charging current through an external resistor.
The MCP73853T-I/ML provides a complete charging solution with features like input current regulation, automatic recharge, and temperature monitoring.

Manufacturer

The MCP73853T-I/ML is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors. Founded in 1989, Microchip specializes in developing embedded control solutions, offering a wide range of products including microcontrollers, digital signal controllers, and analog components. The company serves various industries including automotive, industrial, consumer, and communications. Microchip is known for its commitment to innovation and quality, providing tools and support to help engineers create efficient and reliable designs. Their portfolio also includes development tools and application-specific solutions, making them a key player in the semiconductor industry.

Application

The MCP73853T-I/ML is a highly integrated Li-Ion/Li-Polymer battery charger designed for portable applications. It is commonly used in smartphones, tablets, wearable devices, Bluetooth headsets, and other battery-powered consumer electronics. Its features, such as USB charging and adjustable charge current, make it suitable for various applications that require efficient and compact battery management.

Equivalent

Equivalent products to the MCP73853T-I/ML chip include the TP4056, BQ24074, and MCP73871. These chips offer similar features for lithium-ion battery charging, including constant current/constant voltage (CC/CV) charging profiles, and often include battery management functionalities. Always check the specific datasheets for compatibility in terms of pin configuration and electrical specifications.

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