MCP73832T-2ACI/OT

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MCP73832T-2ACI/OT

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IC BATT CNTL LI-ION 1CEL SOT23-5

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Especificações

Atributo Valor
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

Visão Geral

Description

The MCP73832T-2ACI/OT is a compact, highly efficient linear charge management controller designed for single-cell lithium-ion (Li-Ion) or lithium-polymer (Li-Poly) batteries. Manufactured by Microchip Technology, it offers a simple and cost-effective charging solution with minimal external components. This device is housed in a small SOT-23-5 package, making it suitable for space-constrained applications.
Key features include programmable charge current, preconditioning for deeply discharged cells, and automatic end-of-charge termination. It operates with a wide input voltage range and includes thermal regulation to prevent overheating. The MCP73832T-2ACI/OT also incorporates safety features such as over-temperature and short-circuit protection, enhancing reliability.
This IC is often used in portable electronic devices, such as smartphones, wearables, and IoT applications, where efficient and safe battery management is essential. Its simplicity and compact size make it an ideal choice for designers looking to integrate battery charging capabilities into their products without the complexity of more advanced charging solutions.

Equivalent

The MCP73832T-2ACI/OT is a lithium-ion/lithium-polymer charge management controller. Equivalent products include the TP4056 from NanJing Top Power ASIC Corp, the MAX1555 from Maxim Integrated, and the CN3065 from Consonance Electronic. Each of these alternatives provides similar functionality for single-cell lithium battery charging with integrated power management features. Always verify specifications to ensure full compatibility with your application.

Features

The MCP73832T-2ACI/OT is a highly integrated, linear charge management controller for single-cell lithium-ion or lithium-polymer batteries. Key features include:
1. Input Voltage Range: Operates from a 3.75V to 6V input voltage, making it compatible with a variety of power sources.
2. Charge Termination: Utilizes constant-current, constant-voltage (CC, CV) charging profile with automatic charge termination.
3. Preset Voltage: The charge voltage is preset to 4.2V, suitable for standard lithium-ion and lithium-polymer cells.
4. Charge Current: Programmable charge current up to 500mA, allowing flexibility based on application requirements.
5. Thermal Regulation: Includes thermal regulation to maximize the charge rate without overheating.
6. Battery Temperature Monitoring: Supports battery temperature monitoring for enhanced safety.
7. Low Dropout: Features a low dropout voltage, which improves efficiency and reduces power dissipation.
8. Status Indicator: Provides a charge status output for easy monitoring.
9. Package: Comes in a compact SOT-23-5 package, suitable for space-constrained applications.
These features make the MCP73832T-2ACI/OT an ideal choice for portable, battery-powered applications.

Pinout

The MCP73832T-2ACI/OT is a single-cell, linear Li-Ion/Li-Polymer battery charge management controller from Microchip Technology. It is designed to optimize battery charging by providing a constant current/constant voltage (CC/CV) charge profile.
The device comes in a SOT-23-5 package, meaning it has 5 pins. Here's a brief overview of the pin functions:
1. VDD (Pin 1): Connects to the input voltage source and supplies power to the device.
2. STAT (Pin 2): Status output pin that indicates the charging status. It typically drives an LED or interfaces with a microcontroller.
3. VSS (Pin 3): Ground reference pin.
4. VBAT (Pin 4): Connects to the battery to provide charging current and monitor the battery voltage.
5. PROG (Pin 5): Used to program the charge current. This pin is connected to a resistor to set the desired charging current.
The MCP73832T-2ACI/OT is widely used in portable devices due to its simplicity and efficiency in managing single-cell lithium battery charging.

Manufacturer

The MCP73832T-2ACI/OT is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that designs, manufactures, and sells microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries, including automotive, consumer electronics, telecommunications, and industrial control. The company is known for providing a broad portfolio of highly integrated solutions that enable efficient and reliable systems for its global customer base.

Application

The MCP73832T-2ACI/OT is a linear charge management controller designed for single-cell lithium-ion or lithium-polymer batteries. It is commonly used in various portable and rechargeable applications due to its simplicity and efficiency. Key application areas include:
1. Consumer Electronics: Such as smartphones, tablets, and cameras.
2. Wearable Devices: Including smartwatches and fitness trackers.
3. IoT Devices: For low-power, battery-operated sensors and modules.
4. Power Banks: For managing charging operations efficiently.
5. Medical Devices: Especially in portable diagnostic tools.
Its compact size and efficient power management make it suitable for any compact, battery-powered device.

Package

The MCP73832T-2ACI/OT is a battery charge management controller in a SOT-23-5 package. This package type is a small outline transistor configuration with five pins, designed for applications where space is a constraint. It is used for efficient and compact charging of single-cell lithium-ion or lithium-polymer batteries.

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