LTC4091IDJC#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management and Battery Charger

Characteristics: - High efficiency power management - Fast battery charging - Compact size - Wide input voltage range - Multiple protection features

Package: 16-Lead, 4mm x 4mm DFN

Essence: The LTC4091IDJC#TRPBF is a versatile power management IC designed for efficient battery charging in various applications.

Packaging/Quantity: The LTC4091IDJC#TRPBF is available in a 16-Lead, 4mm x 4mm DFN package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Maximum Charging Current: 1A
• Programmable Charge Current Limit
• Automatic Recharge
• Overvoltage Protection
• Undervoltage Lockout
• Thermal Shutdown

Detailed Pin Configuration

The LTC4091IDJC#TRPBF has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. PROG: Charge Current Programming
4. STAT: Status Indicator
5. CE: Enable Control
6. ISET: Input Current Limit Programming
7. VIN: Input Voltage
8. BAT: Battery Connection

Functional Features

• Efficient Power Management: The LTC4091IDJC#TRPBF provides high efficiency power conversion, minimizing energy loss during charging.
• Fast Battery Charging: With a maximum charging current of 1A, the IC enables rapid battery charging.
• Compact Size: The 4mm x 4mm DFN package allows for space-saving integration into various electronic devices.
• Wide Input Voltage Range: The IC can operate with input voltages ranging from 2.7V to 5.5V, making it suitable for a wide range of applications.
• Multiple Protection Features: The LTC4091IDJC#TRPBF incorporates overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe and reliable operation.

Advantages and Disadvantages

Advantages: - High efficiency power management - Fast charging capability - Compact size for easy integration - Wide input voltage range for versatility - Comprehensive protection features

Disadvantages: - Limited maximum charging current (1A)

Working Principles

The LTC4091IDJC#TRPBF operates by converting the input voltage into a regulated output voltage suitable for charging batteries. It utilizes a programmable charge current limit to control the charging rate. The IC also includes various protection mechanisms such as overvoltage protection, undervoltage lockout, and thermal shutdown to safeguard the battery and the charging circuitry.

Detailed Application Field Plans

The LTC4091IDJC#TRPBF is well-suited for a wide range of applications, including but not limited to: - Portable electronic devices - Wireless communication systems - IoT devices - Wearable technology - Battery-powered sensors - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC4091IDJC#TRPBF include: - LTC4090: Power Management and Battery Charger IC with similar specifications and features. - MCP73871: Standalone Linear Li-Ion/Li-Polymer Charge Management Controller. - BQ24075: Single-Chip Li-Ion and Li-Polymer Charge Management IC.

These alternative models can be considered based on specific application requirements and design constraints.

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