LTC4001EUF-1#TRPBF

Product Overview

Category

The LTC4001EUF-1#TRPBF belongs to the category of battery charger ICs (Integrated Circuits).

Use

This product is primarily used for charging lithium-ion batteries.

Characteristics

• The LTC4001EUF-1#TRPBF is a high-performance battery charger IC designed for single-cell lithium-ion batteries.
• It offers a compact and efficient solution for charging applications.
• The IC incorporates various safety features to ensure reliable and safe charging.
• It supports a wide input voltage range, making it suitable for various power sources.
• The device provides accurate charge termination and conditioning for optimal battery performance.

Package

The LTC4001EUF-1#TRPBF is available in a small 16-lead QFN (Quad Flat No-Lead) package.

Essence

The essence of the LTC4001EUF-1#TRPBF lies in its ability to efficiently and safely charge lithium-ion batteries while providing essential protection features.

Packaging/Quantity

This product is typically sold in reels containing a quantity of 250 units.

Specifications

• Input Voltage Range: 4.5V to 32V
• Charge Current Range: Up to 2A
• Charge Termination Options: C/10 or C/20
• Battery Voltage Regulation Accuracy: ±0.5%
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC4001EUF-1#TRPBF features a 16-lead QFN package with the following pin configuration:

1. VCC
2. GND
3. PROG
4. STAT
5. TS
6. BAT
7. NTC
8. ILIM
9. TIMER
10. SENSE-
11. SENSE+
12. VFB
13. VREF
14. ISET
15. INTVCC
16. INTVCC

Functional Features

• Constant current/constant voltage charging algorithm for optimal battery performance.
• Programmable charge current and termination options for flexibility.
• Integrated safety features such as thermal shutdown, reverse battery protection, and overvoltage protection.
• Battery temperature monitoring and regulation to prevent overheating.
• Fault detection and reporting through the STAT pin.

Advantages and Disadvantages

Advantages

• Efficient and reliable charging of lithium-ion batteries.
• Wide input voltage range allows compatibility with various power sources.
• Compact package size for space-constrained applications.
• Accurate charge termination options for optimal battery life.

Disadvantages

• Limited to single-cell lithium-ion battery charging applications.
• Requires external components for complete charging circuit implementation.

Working Principles

The LTC4001EUF-1#TRPBF operates on a constant current/constant voltage charging algorithm. It regulates the charge current and voltage to ensure safe and efficient charging of lithium-ion batteries. The IC incorporates various safety features such as thermal shutdown, reverse battery protection, and overvoltage protection to prevent damage to the battery or the charging circuit.

Detailed Application Field Plans

The LTC4001EUF-1#TRPBF is suitable for a wide range of applications that require the charging of single-cell lithium-ion batteries. Some potential application fields include:

1. Portable electronic devices: Smartphones, tablets, and portable media players.
2. Wearable devices: Smartwatches, fitness trackers, and wireless earbuds.
3. Medical devices: Portable medical equipment and patient monitoring devices.
4. Industrial equipment: Handheld tools, measurement instruments, and portable communication devices.

Detailed and Complete Alternative Models

1. LTC4001EUFD-1#PBF: Similar to LTC4001EUF-1#TRPBF, but available in a 24-lead QFN package.
2. LTC4001ES8-4.2#PBF: Single-cell lithium-ion battery charger IC in an 8-lead SOIC package.
3. LTC4001HMS8-4.2#PBF: High-temperature grade version of the LTC4001ES8-4.2#PBF.

These alternative models offer similar functionality and features, catering to different package preferences or specific application requirements.

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