TL494C SOP-16 PWM Controller – Product Description

The TL494C from Texas Instruments is a versatile Pulse-Width Modulation (PWM) control IC designed for high-performance switch-mode power supplies. Housed in a compact SOP-16 package, it delivers stable and efficient control for applications such as DC–DC converters, inverters, battery chargers and regulated power supplies.

Powered by an internal 5V reference, dual error amplifiers and an adjustable oscillator, the TL494C offers precise duty-cycle control and reliable operation across a wide voltage range. Its built-in features—including dead-time control, on-chip output transistors and high noise immunity-make it a trusted choice for both industrial and consumer-grade power designs.

Whether you’re building a custom SMPS circuit or repairing existing electronics, the TL494C provides a dependable and cost-effective PWM solution backed by Texas Instruments’ proven performance.

Key Features

• Wide operating supply voltage range

• Internal 5V reference for stable regulation

• Two built-in error amplifiers

• Adjustable oscillator for flexible switching frequency

• Dead-time control for safe operation

• On-chip output transistors (push-pull or single-ended)

• SOP-16 compact surface-mount package

• High efficiency and reliable performance in SMPS designs

Typical Applications

• Switch-mode power supplies (SMPS)

• DC–DC converters

• Inverters and UPS systems

• LED drivers

• Battery chargers

• Industrial and consumer power electronics