LT8490IUKJ#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Programmable charging current - Battery temperature monitoring - Fault protection features

Package: SOT-23-5

Essence: The LT8490IUKJ#PBF is a power management IC designed for battery charging applications. It offers high efficiency and various programmable features to optimize the charging process.

Packaging/Quantity: The LT8490IUKJ#PBF is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 4V to 60V
• Charging Current Range: 10mA to 2A
• Maximum Output Voltage: 60V
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT8490IUKJ#PBF has five pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. ISET: Charging current set pin
4. STAT: Status output pin
5. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• Programmable charging current enables customization based on battery requirements
• Battery temperature monitoring ensures safe charging operation
• Fault protection features protect against overvoltage, overcurrent, and overheating conditions

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power loss - Wide input voltage range accommodates various power sources - Programmable charging current allows for flexible battery charging - Fault protection features enhance system reliability

Disadvantages: - Limited maximum output voltage may not be suitable for certain applications - SOT-23-5 package may require additional thermal management in high-power applications

Working Principles

The LT8490IUKJ#PBF operates as a buck-boost battery charger. It regulates the charging current and voltage based on the input power source and battery characteristics. The IC continuously monitors the battery temperature and adjusts the charging parameters accordingly to ensure safe and efficient charging.

Detailed Application Field Plans

The LT8490IUKJ#PBF is commonly used in various battery-powered systems, including: 1. Portable electronic devices 2. Solar-powered systems 3. Electric vehicles 4. Industrial equipment 5. Backup power systems

Detailed and Complete Alternative Models

1. LT8490A: Similar functionality with extended operating temperature range (-40°C to 150°C)
2. LT8490B: Higher maximum output voltage (80V) with reduced charging current range
3. LT8490C: Lower maximum output voltage (40V) with increased charging current range

These alternative models offer similar features and can be considered based on specific application requirements.

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