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LTC4015EUHF

LTC4015EUHF

Product Overview

Category

LTC4015EUHF belongs to the category of battery charger ICs.

Use

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

Characteristics

  • High efficiency charging
  • Wide input voltage range
  • Programmable charge current and voltage
  • Integrated power path management
  • Thermal regulation and protection
  • Battery temperature monitoring

Package

LTC4015EUHF comes in a 38-Lead 5mm × 7mm QFN package.

Essence

The essence of LTC4015EUHF lies in its ability to efficiently charge lithium-ion batteries while providing various programmable features and integrated protection mechanisms.

Packaging/Quantity

This product is typically packaged in reels, with 1,000 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 35V
  • Charge Voltage Range: 3.5V to 20V
  • Maximum Charge Current: 4A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. TS: Battery temperature sense pin
  4. PROG: Programming pin for setting charge current and voltage
  5. STAT: Status output pin
  6. INTVCC: Internal voltage regulator output pin
  7. VBAT: Battery voltage pin
  8. ISET: Charge current programming pin
  9. ILIM: Input current limit programming pin
  10. TIMER: Timer programming pin
  11. SDA: I2C data pin
  12. SCL: I2C clock pin
  13. PGOOD: Power good output pin
  14. CE: Chip enable pin
  15. BATFET: Battery FET control pin
  16. SRN: Sense resistor negative terminal
  17. SRP: Sense resistor positive terminal
  18. VCC: Supply voltage pin

Functional Features

  • High efficiency synchronous buck charger
  • Programmable charge current and voltage
  • Integrated power path management for simultaneous charging and discharging
  • Battery temperature monitoring and thermal regulation
  • Input current limit and timer programming options
  • I2C interface for advanced control and monitoring capabilities
  • Power good output for system status indication

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to faster charging times
  • Wide input voltage range allows for versatile applications
  • Programmable charge current and voltage offer flexibility
  • Integrated power path management enables simultaneous charging and discharging
  • Thermal regulation and protection ensure safe operation
  • Battery temperature monitoring prevents overcharging or overheating

Disadvantages

  • Limited maximum charge current of 4A may not be suitable for high-power applications
  • Requires additional external components for complete functionality

Working Principles

LTC4015EUHF operates as a synchronous buck charger, converting the input voltage to a regulated charging voltage for the lithium-ion battery. The charge current and voltage can be programmed using the PROG and ISET pins, allowing customization based on battery requirements. The integrated power path management feature enables the battery to be charged while simultaneously powering the load. Thermal regulation and protection mechanisms ensure safe operation by monitoring the temperature and adjusting the charging parameters accordingly.

Detailed Application Field Plans

LTC4015EUHF finds applications in various fields, including: 1. Portable electronic devices 2. Electric vehicles 3. Energy storage systems 4. Industrial equipment 5. Solar-powered systems

Detailed and Complete Alternative Models

  1. LTC4000-1: Battery charger IC with similar features but higher maximum charge current (8A)
  2. LTC4020: Battery charger IC with built-in MPPT (Maximum Power Point Tracking) for solar applications
  3. LTC4011: Battery charger IC with integrated power path management and higher input voltage range

These alternative models offer different specifications and features to cater to specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4015EUHF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4015EUHF in technical solutions:

  1. Q: What is LTC4015EUHF?
    A: LTC4015EUHF is a high-efficiency, multi-chemistry battery charger controller IC.

  2. Q: What types of batteries can be charged using LTC4015EUHF?
    A: LTC4015EUHF can charge various battery chemistries, including lithium-ion, lead-acid, and nickel-based batteries.

  3. Q: What is the input voltage range supported by LTC4015EUHF?
    A: LTC4015EUHF supports an input voltage range of 4.5V to 35V.

  4. Q: Can LTC4015EUHF charge multiple batteries simultaneously?
    A: Yes, LTC4015EUHF can charge multiple batteries in series or parallel configurations.

  5. Q: Does LTC4015EUHF have built-in protection features?
    A: Yes, LTC4015EUHF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  6. Q: Can LTC4015EUHF operate in a wide temperature range?
    A: Yes, LTC4015EUHF can operate in a temperature range of -40°C to 125°C.

  7. Q: Is LTC4015EUHF suitable for automotive applications?
    A: Yes, LTC4015EUHF is designed for automotive and industrial applications, offering robust performance and reliability.

  8. Q: Does LTC4015EUHF support fast charging?
    A: Yes, LTC4015EUHF supports fast charging with programmable charge current up to 20A.

  9. Q: Can LTC4015EUHF be controlled and monitored remotely?
    A: Yes, LTC4015EUHF offers I2C communication interface for remote control and monitoring.

  10. Q: What is the package type of LTC4015EUHF?
    A: LTC4015EUHF is available in a 38-lead 5mm × 7mm QFN package.

Please note that these answers are general and may vary depending on the specific application and requirements.