MCP73832T-2ACI/MC

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MCP73832T-2ACI/MC

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IC BATT CONTRL LI-ION 1CELL 8DFN

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Spezifikationen

Attribut Wert
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

Übersicht

Description

The MCP73832T-2ACI/MC is a compact, single-cell, fully integrated Li-Ion/Li-Polymer charge management controller from Microchip Technology. It is designed to optimize the charging of single-cell lithium-ion or lithium-polymer batteries. The device is suitable for portable applications due to its small SOT-23-5 package, low external component count, and high efficiency.
Key features include preconditioning, constant-current, and constant-voltage charging modes. It supports automatic power-down and automatic restart, which ensures safe and efficient charging. The device operates with a programmable charge current, allowing flexibility based on application requirements.
The MCP73832T-2ACI/MC includes built-in safety features like thermal regulation, under-voltage lockout, and over-voltage protection. It also offers status indication via a charge status output pin, which simplifies system integration.
With input voltage ratings up to 6V and a maximum charge current of 500mA, the MCP73832T-2ACI/MC is favored for its balance of functionality, size, and cost-effectiveness in battery-powered devices.

Equivalent

The MCP73832T-2ACI/MC is a single-cell lithium-ion/lithium-polymer charge management controller. Equivalent products include:
1. TP4056 by NanJing Top Power ASIC Corp: A linear lithium battery charger.
2. MAX1555/MAX1551 by Maxim Integrated: Lithium-ion battery chargers.
3. BQ24040 by Texas Instruments: A linear battery charger for single-cell lithium-ion batteries.
4. LTC4054 by Analog Devices: A standalone linear Li-Ion battery charger.
These alternatives offer similar functionalities for single-cell charging applications.

Features

The MCP73832T-2ACI/MC is a highly integrated, linear charge management controller designed specifically for cost-sensitive and space-limited applications. Key features include:
1. Single Cell Li-Ion/Li-Polymer Charging: Optimized for charging a single cell lithium-ion or lithium-polymer battery.
2. Programmable Charge Current: Allows for programming charge current up to 500 mA using a single resistor.
3. Small Package Size: Available in a compact SOT-23-5 package, making it suitable for space-constrained applications.
4. Thermal Regulation: Includes built-in thermal regulation to prevent overheating during high ambient temperatures or high power operation.
5. Automatic End-of-Charge Control: Automatically terminates the charge cycle when the charge current drops to a preset level, ensuring safe charging.
6. Stand-Alone Operation: Requires minimal external components, enabling simple, stand-alone operation.
7. Battery Voltage Regulation: Precision voltage regulation to ensure safe and full charging of batteries.
8. Status Indications: Provides charge status indications with LED control.
These features make the MCP73832T-2ACI/MC ideal for a range of applications including portable devices, handheld equipment, and other battery-powered products.

Pinout

The MCP73832T-2ACI/MC is a single-cell, linear charge management controller for lithium-ion and lithium-polymer batteries. It comes in a 5-pin SOT-23 package. The pin functions are as follows:
1. VBAT (Pin 1): Battery voltage pin, connected to the positive terminal of the battery.
2. VDD (Pin 2): Input supply voltage pin, connected to the power source.
3. STAT (Pin 3): Status pin, used to indicate the charging status via an LED or microcontroller.
4. PROG (Pin 4): Programming pin, used to set the charge current by connecting a resistor to ground.
5. GND (Pin 5): Ground pin, connected to the system ground.
This device manages the charging process, ensuring safety and efficiency, including preconditioning, constant-current/constant-voltage regulation, and charge termination. It is suitable for portable applications due to its compact size and minimal external components.

Manufacturer

The MCP73832T-2ACI/MC is manufactured by Microchip Technology Inc. Microchip is a publicly traded company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. The company is known for providing a wide range of semiconductor products that are used in various industries such as automotive, consumer electronics, industrial, and communications. Microchip's products are integral to many embedded control applications, which include consumer gadgets, home appliances, automotive systems, and other electronic devices.

Application

The MCP73832T-2ACI/MC is a compact, linear Li-ion/Li-polymer battery charge management controller. Its application areas include portable electronics, where efficient battery charging is essential. Key applications are in consumer electronics such as smartphones, tablets, digital cameras, and wearable devices. It is also used in medical devices, Bluetooth headsets, and other small electronic gadgets that require integrated battery charging solutions. Its low space requirement makes it ideal for compact designs, and it supports single-cell lithium-ion battery charging with high precision, making it suitable for applications that demand reliable and safe battery management.

Package

The MCP73832T-2ACI/MC is a lithium-ion/lithium-polymer charge management controller in a SOT-23-5 package. It's a surface-mount device designed for efficient battery charging applications.

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