MCP73832T-2ATI/OT

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MCP73832T-2ATI/OT

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IC BATT CNTL LI-ION 1CEL SOT23-5

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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-2ATI/OT is a compact, highly-efficient linear charge management controller for lithium-ion and lithium-polymer batteries. Manufactured by Microchip Technology, this device is specifically designed for single-cell applications. It offers a range of features that make it suitable for portable and space-constrained devices.
Key features include its ability to provide a programmable charge current up to 500mA, making it versatile for various battery capacities. It supports automatic power source selection between USB and AC, ensuring optimal charging. The controller operates with a high accuracy of voltage regulation, typically ±0.5%, ensuring reliable charging cycles. Additionally, it includes essential safety features like over-voltage protection, thermal regulation, and battery temperature monitoring, which enhance the safety and longevity of the battery.
The MCP73832T-2ATI/OT is available in a small SOT-23-5 package, facilitating easy integration into compact electronic designs. Its low standby current and efficient charge termination contribute to extended battery life and energy efficiency, making it an ideal choice for modern portable electronics.

Equivalent

The MCP73832T-2ATI/OT is a linear charge management controller for Li-Ion/Li-Polymer batteries. Equivalent products include:
1. TI BQ24072 - Offers similar single-cell Li-Ion charging capabilities.
2. STMicroelectronics STC4054 - Provides comparable functionality for battery charging.
3. Microchip MCP73831 - A similar model within the same series with slight variations.
4. ON Semiconductor NCP1835 - Offers similar performance for single-cell Li-Ion applications.
Ensure compatibility by reviewing specific electrical characteristics and package options.

Features

The MCP73832T-2ATI/OT is a highly efficient linear charge management controller designed for single-cell Lithium-Ion and Lithium-Polymer batteries. Key features include:
1. Input Voltage Range: Operates from 3.75V to 6V, making it suitable for USB and wall adapter sources.
2. Charge Termination: Uses a constant current/constant voltage (CC/CV) charge algorithm with selectable preconditioning and charge termination options.
3. Programmable Charge Current: Offers adjustable charge current using an external resistor.
4. Thermal Regulation: Automatically reduces the charge current if the die temperature exceeds safe levels.
5. Low Battery Preconditioning: Provides preconditioning for deeply discharged batteries.
6. Status Indicator: Includes charge status output for easy monitoring.
7. Low Quiescent Current: Minimizes power consumption during standby and active modes.
8. Small Package: Available in a compact SOT-23-5 package, facilitating space-constrained designs.
9. Protection Features: Includes over-temperature protection and reverse discharge protection.
Overall, the MCP73832T-2ATI/OT is ideal for portable applications, offering efficient charging, enhanced safety, and flexibility in a small form factor.

Pinout

The MCP73832T-2ATI/OT is a single-cell, fully integrated Li-Ion/Li-Polymer charge management controller with a compact design. It is offered in a SOT-23-5 package, which means it has a 5-pin configuration. Here's a concise overview of the pin functions:
1. VDD (Pin 1): This is the input voltage supply pin, where you connect the positive terminal of the power source (typically between 3.75V to 6V).
2. VSS (Pin 2): This is the ground pin, serving as the common reference point for the input and output voltages.
3. STAT (Pin 3): This pin provides the status indicator for the charging process. It usually connects to an LED or microcontroller to indicate charging status.
4. VBAT (Pin 4): This pin is connected to the positive terminal of the battery and is where the charge current flows to the battery.
5. PROG (Pin 5): This pin sets the charge current by connecting a resistor between PROG and VSS.
The MCP73832 is designed for efficient and safe charging, offering features like thermal regulation, over-voltage protection, and battery status indication.

Manufacturer

The MCP73832T-2ATI/OT is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, the company is headquartered in Chandler, Arizona, and serves a global customer base across industries such as automotive, industrial, consumer, aerospace, and defense. Microchip's products include microcontrollers, EEPROM, Flash memory, analog products, and other semiconductors, which are used in a wide range of electronic applications. The company is known for providing comprehensive system solutions, including software and development tools, to assist designers in creating efficient and innovative products.

Application

The MCP73832T-2ATI/OT is a highly integrated Li-Ion/Li-Polymer charge management controller. It is commonly used in applications requiring efficient battery charging solutions, such as portable electronics, wearable devices, handheld instruments, and power banks. Its compact design and thermal regulation capabilities make it suitable for space-constrained applications like Bluetooth headsets, fitness trackers, and other consumer gadgets. Additionally, its low external component count and ease of design integration make it ideal for cost-sensitive and compact consumer electronic products.

Package

The MCP73832T-2ATI/OT is a surface-mount package, specifically in a SOT-23-5 configuration. It is a compact and commonly used package type for small electronic components, offering efficient thermal performance and electrical connections, suitable for integration in various portable and battery-powered applications.

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