Linear Technology/QD Devices
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LTC4067EDE#PBF
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LTC4067EDE#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger

Characteristics: - High Efficiency - Fast Charging - Wide Input Voltage Range - Multiple Safety Features

Package: DFN-12

Essence: The LTC4067EDE#PBF is a high-performance battery charger IC designed for various portable electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.35V to 6V
  • Charge Current Range: 100mA to 1A
  • Charge Termination Voltage: 4.2V ± 0.5%
  • Preconditioning Current: 10% of programmed charge current
  • Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC4067EDE#PBF features a 12-pin DFN package with the following pin configuration:

  1. VBAT: Battery Input Voltage
  2. PROG: Charge Current Programming Pin
  3. STAT: Status Output Pin
  4. EN: Enable Pin
  5. TS: Thermal Shutdown Pin
  6. GND: Ground
  7. VCC: Supply Voltage
  8. ISET: Input Current Limit Programming Pin
  9. TIMER: Timer Programming Pin
  10. NTC: Negative Temperature Coefficient Pin
  11. BAT: Battery Connection
  12. VIN: Input Voltage

Functional Features

  1. High Efficiency: The LTC4067EDE#PBF offers high charging efficiency, minimizing power loss during the charging process.
  2. Fast Charging: It supports fast charging, reducing the charging time for batteries.
  3. Wide Input Voltage Range: The IC can handle input voltages ranging from 4.35V to 6V, making it compatible with various power sources.
  4. Multiple Safety Features: The LTC4067EDE#PBF incorporates several safety features such as thermal shutdown, input current limit, and negative temperature coefficient protection.

Advantages and Disadvantages

Advantages: - High charging efficiency - Fast charging capability - Wide input voltage range - Multiple safety features ensure safe charging

Disadvantages: - Limited to DFN package, which may not be suitable for all applications - Requires careful consideration of pin configuration during PCB layout

Working Principles

The LTC4067EDE#PBF operates as a constant-current/constant-voltage battery charger. It regulates the charging current and voltage to ensure optimal charging conditions for the connected battery. The IC monitors the battery voltage, adjusts the charge current accordingly, and terminates the charging process when the battery reaches the desired voltage level.

Detailed Application Field Plans

The LTC4067EDE#PBF is widely used in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth headsets - Wearable devices

Detailed and Complete Alternative Models

  1. LTC4065EDE#PBF: Similar functionality with a different pin configuration.
  2. LTC4060EDE#PBF: Lower input voltage range but offers additional features like battery temperature monitoring.
  3. LTC4059EDE#PBF: Higher charge current capability but limited to a specific battery chemistry.

These alternative models provide similar functionality to the LTC4067EDE#PBF and can be considered based on specific application requirements.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng LTC4067EDE#PBF sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of LTC4067EDE#PBF in technical solutions:

  1. Q: What is LTC4067EDE#PBF? A: LTC4067EDE#PBF is a specific model number for a battery charger IC manufactured by Linear Technology (now part of Analog Devices). It is designed for charging single-cell lithium-ion/polymer batteries.

  2. Q: What is the input voltage range supported by LTC4067EDE#PBF? A: The input voltage range supported by LTC4067EDE#PBF is typically between 4.35V and 6V.

  3. Q: Can LTC4067EDE#PBF charge multiple batteries simultaneously? A: No, LTC4067EDE#PBF is designed to charge a single-cell lithium-ion/polymer battery at a time.

  4. Q: What is the maximum charging current provided by LTC4067EDE#PBF? A: The maximum charging current provided by LTC4067EDE#PBF is typically 950mA.

  5. Q: Does LTC4067EDE#PBF support USB charging? A: Yes, LTC4067EDE#PBF supports USB charging. It can be powered from a USB port or a 5V power supply.

  6. Q: Is LTC4067EDE#PBF suitable for fast charging applications? A: Yes, LTC4067EDE#PBF supports fast charging with programmable charge current and termination settings.

  7. Q: Can LTC4067EDE#PBF operate in a wide temperature range? A: Yes, LTC4067EDE#PBF is designed to operate in a wide temperature range, typically from -40°C to 85°C.

  8. Q: Does LTC4067EDE#PBF have built-in safety features? A: Yes, LTC4067EDE#PBF includes various safety features such as thermal shutdown, reverse battery protection, and overvoltage protection.

  9. Q: Can LTC4067EDE#PBF be used in portable devices? A: Yes, LTC4067EDE#PBF is commonly used in portable devices like smartphones, tablets, and wearable devices for battery charging.

  10. Q: Are there any evaluation boards or reference designs available for LTC4067EDE#PBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC4067EDE#PBF, which can help in the development and testing of battery charging solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements and datasheet specifications.