LTC4015EUHF#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger

Characteristics: - High Efficiency - Wide Input Voltage Range - Programmable Charge Current - Multiple Charging Algorithms - Thermal Regulation and Protection - Fault Detection and Reporting

Package: QFN-38

Essence: The LTC4015EUHF#TRPBF is a high-efficiency battery charger IC designed for various applications.

Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 35V
• Charge Current Range: Up to 4A
• Maximum Float Voltage: 14.4V
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC4015EUHF#TRPBF features a QFN-38 package with the following pin configuration:

1. VIN
2. GND
3. VBAT
4. TS
5. PROG
6. ISET
7. STAT
8. INTVCC
9. SDA
10. SCL
11. NTC
12. BAT
13. ILIM
14. VREF
15. VOUT
16. FB
17. COMP
18. SS
19. PGND
20. VCC
21. VCC
22. VCC
23. VCC
24. VCC
25. VCC
26. VCC
27. VCC
28. VCC
29. VCC
30. VCC
31. VCC
32. VCC
33. VCC
34. VCC
35. VCC
36. VCC
37. VCC
38. VCC

Functional Features

• Wide Input Voltage Range allows for versatile applications.
• Programmable Charge Current enables customization based on battery requirements.
• Multiple Charging Algorithms support various battery chemistries.
• Thermal Regulation and Protection prevent overheating and ensure safe operation.
• Fault Detection and Reporting provide feedback on charging status and potential issues.

Advantages and Disadvantages

Advantages: - High Efficiency results in faster charging times and reduced power consumption. - Wide Input Voltage Range allows compatibility with different power sources. - Programmable Charge Current offers flexibility for charging different battery capacities. - Multiple Charging Algorithms support a wide range of battery chemistries.

Disadvantages: - Limited to QFN-38 package, which may require specific PCB layout considerations. - Requires external components for complete battery charging circuit implementation.

Working Principles

The LTC4015EUHF#TRPBF operates as a synchronous buck battery charger. It utilizes a high-efficiency switching regulator to convert the input voltage to a lower voltage suitable for charging the battery. The charge current is programmable through an external resistor, allowing customization based on the battery's capacity and requirements. The IC incorporates multiple charging algorithms to support various battery chemistries, ensuring optimal charging performance. It also includes thermal regulation and protection features to prevent overheating and maintain safe operation.

Detailed Application Field Plans

The LTC4015EUHF#TRPBF is widely used in applications that require efficient and reliable battery charging. Some common application fields include: - Portable Electronics - Industrial Equipment - Automotive Systems - Renewable Energy Systems - Medical Devices

Detailed and Complete Alternative Models

1. LTC4000-1
2. LTC4000-2
3. LTC4000-3
4. LTC4000-4
5. LTC4000-5
6. LTC4000-6
7. LTC4000-7
8. LTC4000-8
9. LTC4000-9
10. LTC4000-10

These alternative models offer similar functionality and features to the LTC4015EUHF#TRPBF, providing options for different design requirements.

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