LTC4077EDD#TRPBF

Product Overview

Category

LTC4077EDD#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery charging applications in various electronic devices.

Characteristics

• Integrated circuit designed for battery charging
• High efficiency and low power consumption
• Compact package size
• Wide input voltage range
• Multiple charging modes

Package

LTC4077EDD#TRPBF is available in a small form factor DFN (Dual Flat No-Lead) package.

Essence

The essence of LTC4077EDD#TRPBF lies in its ability to efficiently charge batteries while minimizing power consumption.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities suitable for both prototyping and mass production.

Specifications

• Input Voltage Range: 4.5V - 6V
• Charging Current: Up to 1A
• Charge Termination Voltage: Programmable
• Operating Temperature Range: -40°C to 85°C
• Package Type: DFN-10

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. VBAT: Battery voltage pin
4. PROG: Charge termination voltage programming pin
5. STAT: Status output pin
6. CE: Enable control pin
7. ISET: Charging current setting pin
8. TS: Thermal shutdown pin
9. SCL: Serial clock pin
10. SDA: Serial data pin

Functional Features

• Automatic charge termination based on programmable voltage threshold
• Reverse battery protection
• Thermal shutdown protection
• Battery temperature monitoring
• I²C interface for advanced control and monitoring

Advantages and Disadvantages

Advantages

• High charging efficiency
• Wide input voltage range allows for versatile applications
• Compact package size enables integration into space-constrained designs
• Multiple charging modes cater to different battery chemistries and capacities

Disadvantages

• Limited maximum charging current of 1A
• Requires external components for complete battery charging solution

Working Principles

LTC4077EDD#TRPBF operates by regulating the charging current and monitoring the battery voltage. It employs a programmable charge termination voltage to ensure safe and efficient charging. The IC also incorporates reverse battery protection and thermal shutdown features to safeguard the battery and the charging circuitry.

Detailed Application Field Plans

LTC4077EDD#TRPBF finds applications in various portable electronic devices, such as smartphones, tablets, wearable devices, and wireless headphones. It is also suitable for battery-powered IoT devices, medical devices, and industrial equipment that require reliable and efficient battery charging.

Detailed and Complete Alternative Models

1. LTC4079EDD#TRPBF: Similar to LTC4077EDD#TRPBF with additional power path management feature.
2. LTC4080EDD#TRPBF: Higher charging current capability (up to 2A) with similar functionality.
3. LTC4065EDD#TRPBF: Lower charging current capability (up to 500mA) with compact package size.

These alternative models offer different specifications and features to cater to diverse application requirements.

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