MCP73864-I/SL

Introduction

The MCP73864-I/SL is a specialized integrated circuit (IC) belonging to the category of battery management devices. This IC is designed for use in various portable electronic devices and offers several characteristics that make it suitable for charging and managing rechargeable batteries. The MCP73864-I/SL is available in a small outline package, making it ideal for compact electronic designs. Its essence lies in providing efficient and reliable battery charging and management solutions, contributing to the overall performance and longevity of portable electronic devices.

Package and Quantity

The MCP73864-I/SL is available in a small outline package (SL) and is typically sold in reels or tubes, depending on the quantity ordered by the customer.

Specifications

• Input Voltage Range: 3.75V to 6V
• Charge Current: Programmable up to 1A
• Preconditioning of Deeply Discharged Cells
• Automatic Recharge
• Two-Cell Lithium-Ion/Lithium-Polymer Battery Charging
• Thermal Regulation and Protection
• Charge Status Output

Detailed Pin Configuration

The MCP73864-I/SL features a standard pin configuration with specific pins dedicated to input power, battery connections, and charge status outputs. The detailed pin configuration is as follows: 1. VDD - Input Power 2. STAT - Charge Status Output 3. PROG - Charge Current Programming 4. TS - Thermal Regulation 5. GND - Ground 6. BAT - Battery Connection

Functional Features

The MCP73864-I/SL offers the following functional features: - Programmable charge current for flexibility in battery charging - Thermal regulation and protection for safe operation - Charge status output for monitoring the charging process - Automatic recharge functionality for convenience

Advantages and Disadvantages

Advantages

• Flexible charge current programming
• Thermal regulation and protection for safety
• Compact package for space-constrained designs
• Automatic recharge feature for user convenience

Disadvantages

• Limited to two-cell lithium-ion/lithium-polymer battery charging
• Requires external components for complete battery management

Working Principles

The MCP73864-I/SL operates by regulating the charge current based on the programmed settings and the thermal conditions. It monitors the battery voltage and adjusts the charge current accordingly to ensure safe and efficient charging. The automatic recharge feature allows the device to restart the charging process if the battery voltage drops below a certain threshold, ensuring continuous operation.

Detailed Application Field Plans

The MCP73864-I/SL is well-suited for a wide range of portable electronic devices, including but not limited to: - Smartphones and tablets - Portable media players - Handheld gaming devices - Portable medical devices - Wearable electronics

Detailed and Complete Alternative Models

Some alternative models to the MCP73864-I/SL include: - MCP73871: Single-cell lithium-ion/lithium-polymer battery charger - MCP73213: Dual-cell lithium-ion/lithium-polymer battery charger with power path management - LTC4000: High-efficiency multi-chemistry battery charger controller

In conclusion, the MCP73864-I/SL is a versatile and reliable battery management IC suitable for a variety of portable electronic devices. Its flexible charge current programming, thermal regulation, and compact package make it an ideal choice for designers seeking efficient battery charging solutions.

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