LTC4071IDDB#TRMPBF

Product Overview

• Category: Battery Charger IC
• Use: Charging and managing single-cell Li-Ion/Polymer batteries
• Characteristics: High efficiency, low quiescent current, small package size
• Package: 2mm x 3mm DFN-8
• Essence: Efficient battery charging and management
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

• Input Voltage Range: 4.95V to 6V
• Charge Current: Up to 250mA
• Float Voltage: 4.2V
• Quiescent Current: 950nA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

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

Functional Features

• Integrated Power Path Management
• Programmable Charge Current
• Automatic Recharge
• Thermal Regulation and Protection
• Status Indication

Advantages and Disadvantages

• Advantages:

  • Small package size for space-constrained applications
  • Low quiescent current for extended battery life
  • Integrated power path management for seamless operation

• Disadvantages:

  • Limited to single-cell Li-Ion/Polymer battery charging
  • Maximum charge current may not be sufficient for high-capacity batteries

Working Principles

The LTC4071IDDB#TRMPBF operates by regulating the input supply voltage to charge a single-cell Li-Ion/Polymer battery. It incorporates power path management to allow the system to operate even when the battery is being charged.

Detailed Application Field Plans

1. Portable Electronics: Used in smartphones, tablets, and portable media players for efficient battery charging.
2. Wearable Devices: Integrated into smartwatches, fitness trackers, and other wearables to manage battery charging.
3. IoT Devices: Applied in various Internet of Things devices for reliable battery management.

Detailed and Complete Alternative Models

1. MCP73831: Single-cell Li-Ion battery charger with similar specifications and package size.
2. MAX1555: Compact single-cell Li-Ion/Polymer battery charger with integrated power path management.

This comprehensive entry provides an in-depth understanding of the LTC4071IDDB#TRMPBF, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.