MCP73853T-I/ML

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MCP73853T-I/ML

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IC BATT CONTRL LI-ION 1CEL 16QFN

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Especificações

Atributo Valor
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

Visão Geral

Description

The MCP73853T-I/ML is an integrated circuit designed by Microchip Technology for managing lithium-ion and lithium-polymer battery charging. It is part of the MCP7385x series and is tailored for applications that require efficient and reliable battery management.
Key features of the MCP73853T-I/ML include:
1. Single-Cell Charging: Optimized for charging single-cell Li-Ion/Li-Polymer batteries.
2. Programmable Charge Current: Allows for customization of charge current settings to suit different battery capacities.
3. Thermal Regulation: Built-in thermal regulation prevents overheating by adjusting the charge current.
4. Safety Features: Includes features like over-voltage protection and battery temperature monitoring to ensure safe charging.
5. Compact Package: Offered in a compact MSOP package, making it suitable for space-constrained applications.
6. Battery Management Features: Provides automatic end-of-charge termination and preconditioning for deeply discharged cells.
The MCP73853T-I/ML is widely used in portable electronics, power tools, and other battery-powered devices due to its efficient design, reliability, and extensive safety features.

Equivalent

The MCP73853T-I/ML is a single-cell Li-Ion/Li-Polymer charge management controller. Equivalent products include:
1. TI BQ24040 - A single-cell Li-Ion/Li-Polymer charge management IC.
2. Microchip MCP73831 - Another compact option for single-cell charging.
3. Linear Technology (Analog Devices) LTC4054 - A lithium-ion battery charger IC.
4. Maxim Integrated (Analog Devices) MAX1555 - USB/AC adapter-powered single-cell charger.
These alternatives offer similar functionalities for managing lithium-ion battery charging.

Features

The MCP73853T-I/ML is a highly integrated linear charge management controller designed for single-cell lithium-ion or lithium-polymer batteries. Key features include a programmable charge current with a maximum of 1A, making it suitable for a variety of applications. The device supports USB or AC adapter power sources and offers automatic power source selection. It includes safety features like thermal regulation, over-voltage protection, and charge termination to prevent battery damage.
The MCP73853T-I/ML also provides status indication through two open-drain outputs and includes preconditioning, constant-current, and constant-voltage charging phases. The controller operates over a temperature range of -40°C to +85°C, making it suitable for industrial applications. Its compact DFN package facilitates space-saving designs. Additionally, the integrated reverse discharge protection ensures current does not flow from the battery back into the power source. Overall, the MCP73853T-I/ML offers a reliable and efficient solution for managing the charging of lithium-ion batteries in portable electronic devices.

Pinout

The MCP73853T-I/ML is a lithium-ion/polymer battery charge management controller from Microchip Technology. It typically comes in a DFN (Dual Flat No-leads) package with 10 pins. Here is a concise overview of its function and pin configuration:
Pin Count: 10
Functions:
1. VBAT (Pin 1): Battery connection pin.
2. GND (Pin 2): Ground reference pin for the device.
3. PROG (Pin 3): Program input used to set the charge current.
4. STAT1 (Pin 4): Status output 1, used to indicate charging status.
5. STAT2 (Pin 5): Status output 2, used to indicate full charge or faults.
6. VDD (Pin 6): Input voltage source pin.
7. SEL (Pin 7): Select input pin to choose between various charging configurations.
8. THERM (Pin 8): Input for temperature monitoring and safety.
9. VSS (Pin 9): Ground connection for the package.
10. VREG (Pin 10): Regulated output voltage pin.
The MCP73853T-I/ML integrates charge management and safety features suitable for single-cell Li-Ion/Li-Polymer battery charging applications.

Manufacturer

The MCP73853T-I/ML is manufactured by Microchip Technology Inc. Microchip Technology is a leading American semiconductor company that designs and manufactures microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The company serves a wide range of markets, including automotive, industrial, consumer, aerospace, and communications. They are known for their emphasis on providing comprehensive solutions and development tools that help engineers design products efficiently.

Application

The MCP73853T-I/ML is a highly integrated linear charge management controller designed for lithium-ion and lithium-polymer batteries. Its application areas include:
1. Consumer Electronics: Charging solutions for mobile phones, tablets, digital cameras, and portable media players.
2. Wearable Devices: Suitable for smartwatches and fitness trackers.
3. Portable Medical Devices: Used in medical monitoring equipment where reliable battery charging is crucial.
4. Industrial Applications: Employed in portable barcode scanners and handheld instrumentation.
5. Rechargeable Toys: Utilized in battery-powered toys for efficient charging.
Its small package and efficient charging management make it ideal for space-constrained applications.

Package

The MCP73853T-I/ML is a battery charge management controller from Microchip Technology, designed for lithium-ion or lithium-polymer batteries. It comes in a DFN (Dual Flat No-leads) package, specifically a 10-Lead DFN package with dimensions typically around 3mm x 3mm, offering efficient thermal performance and compact design for space-constrained applications.

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