TL494 PWM Controller Module

TL494 PWM Controller Module Adjustable 500-100kHz Frequency is a compact and versatile module based on the TL494 PWM controller IC. It allows precise adjustment of the frequency and duty cycle, making it ideal for applications such as power supplies, motor control, and other PWM-based circuits.

Key Features of TL494 PWM Controller Module:

• • Adjustable Frequency: Offers a frequency range of 500Hz to 100kHz.
  • Wide Input Voltage Range: Operates over a broad voltage range for various applications.
  • Duty Cycle Control: Adjustable from 0% to 100% for precise output control.
  • High Efficiency: Optimized for minimal power loss in PWM applications.
  • Compact Design: Easy to integrate into circuits and systems.

Technical Specifications of TL494 PWM Controller Module:

• • Frequency Range: 500Hz to 100kHz (adjustable)
  • Input Voltage: 7V to 40V
  • Output Voltage: 5V
  • Output Current: Up to 200mA
  • Duty Cycle: 0% to 100% (adjustable)
  • Operating Temperature: -40°C to 85°C
  • IC Package: TL494 in DIP-16 or SOP-16 format

Schematic Diagram and Pinout of TL494 PWM Controller Module:

• • Pinout:
    • Pin 1-2 (Error Amplifiers): Input pins for error signals.
    • Pin 3 (Feedback): Feedback for output regulation.
    • Pin 4 (Dead Time Control): Sets the minimum dead time between pulses.
    • Pin 5-6 (Oscillator): Sets the frequency of the PWM signal.
    • Pin 8-11 (Outputs): Outputs PWM signal for driving external components.
    • Pin 12 (V_CC): Power supply input.
    • Pin 13 (Ground): Ground connection.
  • Schematic Diagram: The TL494 module features an internal oscillator, error amplifiers, and PWM output drivers for efficient control.

Applications of TL494 PWM Controller Module:

• • Switching Power Supplies: Regulates output voltage and current efficiently.
  • Inverters: Converts DC to AC with precise PWM control.
  • Motor Speed Control: Adjusts motor speed with variable duty cycle.
  • LED Dimming: Provides adjustable brightness for LED applications.
  • DC-DC Converters: Used in buck, boost, and flyback converters.

Equivalent Models of TL494 PWM Controller Module:

• • SG3525: A PWM controller with similar functionality for inverter and power supply applications.
  • KA7500: Another alternative PWM controller IC.

Datasheet:

• • Download TL494 Datasheet

Keywords for TL494 PWM Controller Module:

• • TL494
  • PWM Controller
  • Adjustable Frequency
  • Motor Speed Control
  • Switching Regulator

Package Includes:

• • 1 x TL494 PWM Controller Module Adjustable 500-100kHz Frequency