LTC4098EUDC#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management and Battery Charger

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Programmable Charge Current - Thermal Regulation - Overvoltage Protection - Undervoltage Lockout - Reverse Leakage Protection

Package: 16-Lead QFN (Quad Flat No-Lead)

Essence: The LTC4098EUDC#TRPBF is a versatile power management IC designed for battery charging applications. It offers high efficiency, low quiescent current, and various protection features.

Packaging/Quantity: The LTC4098EUDC#TRPBF is available in a 16-Lead QFN package. The quantity per reel is typically 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Charge Voltage Range: 3.6V to 4.4V
• Maximum Charge Current: 1A
• Operating Temperature Range: -40°C to 85°C
• Package Dimensions: 3mm x 3mm

Pin Configuration

The LTC4098EUDC#TRPBF has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. VOUT: Output Voltage
4. BAT: Battery Connection
5. PROG: Charge Current Programming
6. STAT: Status Indicator
7. CE: Enable Control
8. TS: Thermal Shutdown
9. ILIM: Current Limit Setting
10. ISET: Charge Current Setting
11. SDA: I2C Data Line
12. SCL: I2C Clock Line
13. INTVCC: Internal Voltage Regulator
14. VCC: Supply Voltage
15. NTC: Negative Temperature Coefficient Input
16. PGND: Power Ground

Functional Features

• Programmable Charge Current: The charge current can be adjusted using the PROG pin or through I2C communication.
• Thermal Regulation: The LTC4098EUDC#TRPBF features thermal regulation to prevent excessive heat buildup during charging.
• Overvoltage Protection: It provides protection against overvoltage conditions, ensuring safe operation.
• Undervoltage Lockout: The IC disables charging when the input voltage falls below a certain threshold.
• Reverse Leakage Protection: It prevents reverse current flow from the battery to the input source.

Advantages and Disadvantages

Advantages: - High efficiency charging - Wide input voltage range - Programmable charge current - Comprehensive protection features

Disadvantages: - Limited maximum charge current (1A)

Working Principles

The LTC4098EUDC#TRPBF is designed to efficiently charge single-cell lithium-ion/polymer batteries from a variety of input sources. It utilizes a switching power supply architecture to regulate the charging process. The charge current can be programmed either by setting the PROG pin voltage or through I2C communication.

The IC incorporates various protection features such as overvoltage protection, undervoltage lockout, and reverse leakage protection to ensure safe and reliable charging. It also includes thermal regulation to prevent excessive heat generation during charging.

Detailed Application Field Plans

The LTC4098EUDC#TRPBF is suitable for a wide range of applications that require efficient battery charging. Some potential application fields include: - Portable electronic devices - Wearable devices - IoT (Internet of Things) devices - Medical devices - Industrial equipment

Detailed and Complete Alternative Models

• LTC4098EUDC#PBF
• LTC4098EUDC#TRMPBF
• LTC4098EUDC#TRPBFD

These alternative models offer similar functionality and characteristics to the LTC4098EUDC#TRPBF, providing flexibility for different design requirements.

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