LTC1730ES8-4.2#TRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger Controller
• Characteristics: High Efficiency, Low Quiescent Current, Precision Voltage Reference
• Package: 8-Lead SOIC
• Essence: Regulates and controls the charging process of batteries
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 36V
• Charge Voltage Accuracy: ±1%
• Charge Current Accuracy: ±5%
• Quiescent Current: 85μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. ISET: Charge Current Set
4. VFB: Feedback Voltage
5. STAT: Status Output
6. SS: Soft-Start
7. BAT: Battery Connection
8. VCC: Supply Voltage

Functional Features

• Constant Voltage/Constant Current Charging
• Automatic Recharge
• Programmable Charge Current
• Thermal Regulation for Safety
• Charge Termination Timer
• Reverse Battery Protection
• Under-Voltage Lockout

Advantages

• High charging efficiency ensures faster charging times
• Low quiescent current minimizes power consumption
• Precision voltage reference ensures accurate charging
• Wide input voltage range allows compatibility with various power sources
• Automatic recharge feature enhances convenience and battery lifespan

Disadvantages

• Limited charge current accuracy may affect precision charging requirements
• Requires external components for complete battery charging circuit implementation
• Not suitable for applications requiring extremely low operating temperatures

Working Principles

The LTC1730ES8-4.2#TRPBF is a battery charger controller IC that regulates and controls the charging process of batteries. It operates in constant voltage/constant current mode, ensuring efficient and safe charging. The IC uses a precision voltage reference to maintain accurate charge voltage levels. It also incorporates thermal regulation for safety, preventing overheating during the charging process. The charge termination timer feature stops the charging process once the battery is fully charged, preventing overcharging.

Detailed Application Field Plans

The LTC1730ES8-4.2#TRPBF is widely used in various applications that require battery charging. Some common application fields include: 1. Portable Electronics: Smartphones, tablets, portable gaming devices, etc. 2. Power Tools: Cordless drills, electric screwdrivers, etc. 3. Medical Devices: Portable medical equipment, patient monitoring devices, etc. 4. Automotive: Electric vehicles, hybrid vehicles, battery management systems, etc. 5. Industrial Equipment: Handheld meters, wireless sensors, remote controls, etc.

Detailed and Complete Alternative Models

1. LTC1730ES8-4.1#TRPBF
2. LTC1730ES8-4.0#TRPBF
3. LTC1730ES8-3.9#TRPBF
4. LTC1730ES8-3.8#TRPBF
5. LTC1730ES8-3.7#TRPBF

These alternative models offer similar functionality and characteristics, with slight variations in charge voltage or current accuracy.

In conclusion, the LTC1730ES8-4.2#TRPBF is an integrated circuit battery charger controller that provides efficient and precise charging for various applications. Its high efficiency, low quiescent current, and programmable features make it a reliable choice for battery charging needs.