TL494G-S16-R

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TL494G-S16-R

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Spezifikationen

Attribut Wert
Manufacturer UTC(Unisonic Tech)
Package SOIC-16

Übersicht

Description

The TL494G-S16-R is a fixed-frequency pulse-width modulation (PWM) control IC designed for power supply applications. Key features include:
- PWM Control: Adjustable duty cycle (up to 48%) for precise power regulation.
- Oscillator: Fixed frequency (up to 300 kHz) set via external resistor/capacitor.
- Dual Outputs: Push-pull or single-ended operation for flexibility.
- Error Amplifiers: Two built-in op-amps for feedback control (voltage/current).
- Protections: Under-voltage lockout (UVLO) and dead-time control.
Applications: Switch-mode power supplies (SMPS), DC-DC converters, inverters, and motor controllers.
Package: 16-pin SOIC (S16-R), suitable for compact designs.
The TL494G-S16-R is a cost-effective, reliable solution for PWM-based power management.

Equivalent

The TL494G-S16-R is a PWM controller IC. Equivalent or similar products include:
- TL494CN (DIP package)
- TL494IN (industrial grade)
- KA7500 (Samsung equivalent)
- MB3759 (Fujitsu equivalent)
- UC494 (Texas Instruments variant)
These chips offer comparable PWM control functionality, though pinouts and specs may vary slightly. Always verify datasheets for exact replacements.

Pinout

The TL494G-S16-R is a 16-pin PWM controller IC with the following key functions:
1. Pin Count: 16 (SO-16 package).
2. Core Functions:
- PWM Control: Adjustable duty cycle (0-100%) and frequency.
- Oscillator: External RT/CT pins set frequency.
- Error Amplifiers: Two for feedback control (e.g., voltage/current regulation).
- Output Drivers: Two totem-pole outputs (push-pull or single-ended).
- Dead-Time Control: Prevents shoot-through in half/full-bridge circuits.
- Reference Output: 5V (±1%) for external circuitry.
Commonly used in SMPS, inverters, and DC-DC converters.

Manufacturer

The TL494G-S16-R is manufactured by Texas Instruments (TI), a leading American semiconductor company known for producing analog and embedded processing chips. TI specializes in components for power management, signal processing, and industrial applications. The TL494 is a widely used PWM (Pulse Width Modulation) controller IC, commonly employed in power supply designs.
TI is a global leader in the semiconductor industry, with a strong reputation for innovation and reliability in electronic components. The company serves diverse markets, including automotive, industrial, and consumer electronics.

Package

The TL494G-S16-R is a pulse-width modulation (PWM) controller IC. It comes in an SOIC-16 package, which is a 16-pin Small Outline Integrated Circuit with a surface-mount design. The package dimensions are compact, making it suitable for space-constrained applications. The "G" suffix typically indicates lead-free (RoHS-compliant) packaging.

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