Microchip Technology
Bild kan vara representation.
Se specifikationer för produktinformation.
TC4426ACOA
Visa detalj Datablad

TC4426ACOA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Driver for MOSFETs and IGBTs
  • Characteristics: High-speed, high-current, low-side driver
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Provides efficient switching control for power devices
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 4.5V to 18V
  • Output Current: 1.5A (peak)
  • Input Threshold Voltage: 2.4V (typical)
  • Propagation Delay: 55ns (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TC4426ACOA features the following pin configuration:

  1. VDD: Supply voltage input
  2. GND: Ground reference
  3. IN: Input pin for controlling the driver
  4. LO: Low-side output pin
  5. HO: High-side output pin
  6. SD: Shutdown input pin (optional)
  7. NC: No connection
  8. VDD: Supply voltage input

Functional Features

  • High-speed switching capability
  • High current drive capability
  • Low output impedance
  • Short-circuit protection
  • Undervoltage lockout protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages

  • Fast switching speed improves overall system efficiency
  • High current drive capability enables driving of power devices
  • Short-circuit protection prevents damage to the driver and power devices
  • Thermal shutdown protection prevents overheating

Disadvantages

  • Requires an external power supply
  • Limited to low-side driving applications only

Working Principles

The TC4426ACOA is designed to drive MOSFETs and IGBTs in low-side applications. It accepts a control signal at the IN pin, which determines the output state of the driver. When the control signal is high, the LO pin is pulled low, turning on the power device. Conversely, when the control signal is low, the LO pin is pulled high, turning off the power device.

Detailed Application Field Plans

The TC4426ACOA is commonly used in various applications, including:

  1. Motor control systems
  2. Switching power supplies
  3. LED lighting systems
  4. Solenoid drivers
  5. DC-DC converters
  6. Battery charging circuits

Detailed and Complete Alternative Models

  1. TC4420CPA: 6A High-Speed MOSFET Driver
  2. TC4427COA: 1.5A Dual High-Speed MOSFET Driver
  3. TC4452VPA: 12A Dual High-Speed MOSFET Driver
  4. TC4429CPA: 6A Dual High-Speed MOSFET Driver

These alternative models offer similar functionality and can be considered as substitutes for the TC4426ACOA.

Word count: 314 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TC4426ACOA i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TC4426ACOA in technical solutions:

  1. Q: What is TC4426ACOA? A: TC4426ACOA is a high-speed MOSFET driver IC used for driving N-channel MOSFETs in various applications.

  2. Q: What is the maximum voltage rating of TC4426ACOA? A: The maximum voltage rating of TC4426ACOA is typically around 18V.

  3. Q: Can TC4426ACOA be used to drive other types of transistors besides MOSFETs? A: No, TC4426ACOA is specifically designed for driving N-channel MOSFETs.

  4. Q: What is the maximum output current capability of TC4426ACOA? A: TC4426ACOA can typically provide a peak output current of up to 1.5A.

  5. Q: Is TC4426ACOA suitable for high-frequency switching applications? A: Yes, TC4426ACOA is designed for high-speed operation and can be used in high-frequency switching applications.

  6. Q: Does TC4426ACOA require an external power supply? A: Yes, TC4426ACOA requires an external power supply for its operation.

  7. Q: Can TC4426ACOA operate at different logic levels? A: Yes, TC4426ACOA can operate with both TTL (5V) and CMOS (3.3V) logic levels.

  8. Q: What is the typical propagation delay of TC4426ACOA? A: The typical propagation delay of TC4426ACOA is around 55ns.

  9. Q: Can TC4426ACOA handle high capacitive loads? A: Yes, TC4426ACOA is capable of driving high capacitive loads due to its high output current capability.

  10. Q: Is TC4426ACOA available in different package options? A: Yes, TC4426ACOA is available in various package options such as SOIC, PDIP, and TSSOP.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for TC4426ACOA.