LTC4070IDDB#TRMPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: DFN-8
• Essence: Charging and Power Management IC
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 4.95V to 6.5V
• Charge Current: Programmable up to 1A
• Charge Termination: C/10 or Timer
• Preconditioning: Automatic recharge
• Battery Temperature Monitoring: Yes
• Reverse Leakage Protection: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. PROG: Charge Current Programming Pin
4. STAT: Status Indicator Output
5. CE: Charge Enable Input
6. BAT: Battery Connection
7. TS: Battery Temperature Sense Input
8. VOUT: Regulated Output Voltage

Functional Features

• High charging efficiency for extended battery life
• Low quiescent current for reduced power consumption
• Automatic recharge for improved battery performance
• Reverse leakage protection for enhanced safety
• Battery temperature monitoring for optimal charging conditions
• Status indicator output for charge status indication
• Programmable charge current for flexibility

Advantages and Disadvantages

Advantages: - High charging efficiency ensures longer battery life. - Low quiescent current reduces power consumption. - Automatic recharge feature improves battery performance. - Reverse leakage protection enhances safety. - Battery temperature monitoring optimizes charging conditions. - Programmable charge current offers flexibility.

Disadvantages: - Limited input voltage range (4.95V to 6.5V). - Maximum charge current limited to 1A.

Working Principles

The LTC4070IDDB#TRMPBF is a battery charger IC designed to efficiently charge single-cell lithium-ion batteries. It operates by converting the input voltage into a regulated output voltage suitable for charging the battery. The charge current can be programmed up to 1A using the PROG pin. The IC incorporates various features like automatic recharge, reverse leakage protection, and battery temperature monitoring to ensure safe and optimal charging conditions.

Detailed Application Field Plans

The LTC4070IDDB#TRMPBF is widely used in portable electronic devices such as smartphones, tablets, digital cameras, and portable media players. It is also utilized in wearable devices, wireless headsets, and other battery-powered applications where efficient and reliable charging is essential.

Detailed and Complete Alternative Models

• LTC4070EDDB#TRMPBF
• LTC4070IDD#TRMPBF
• LTC4070ES5#TRMPBF
• LTC4070IDC#TRMPBF

These alternative models offer similar functionality and characteristics to the LTC4070IDDB#TRMPBF, providing options for different package sizes or pin configurations.

In conclusion, the LTC4070IDDB#TRMPBF is a highly efficient battery charger IC with various features that ensure safe and optimal charging of single-cell lithium-ion batteries. Its small package size and programmable charge current make it suitable for a wide range of portable electronic devices. However, it has limitations in terms of input voltage range and maximum charge current.