The TL494ID device by Texas Instruments is a versatile pulse-width-modulation (PWM) control circuit designed to offer precise control of output voltage and current for a variety of power supply and converter applications. This integrated circuit is engineered to simplify the design of switching power supplies, DC-DC converters, and motor controllers.
Key Features
- Flexible Operation: The TL494ID features dual alternating outputs that can be used for push-pull or single-ended output configurations, providing designers with a flexible platform for multiple applications.
- Adjustable Frequency: It offers an adjustable frequency from 1 kHz to 300 kHz, which allows for the optimization of transformer and filter components, leading to more compact and efficient designs.
- Voltage Control: The onboard error amplifier facilitates direct feedback control of output voltage, ensuring tight regulation and stability across various load conditions.
- Dead-Time Control: A dead-time control comparator permits the fine-tuning of the switching time to optimize efficiency and prevent cross-conduction in the output stage.
- Wide Operating Range: The TL494ID operates over a wide range of supply voltages from 7 V to 40 V, making it suitable for a broad spectrum of power supply applications.
Applications
- Switched Mode Power Supplies (SMPS)
- DC-to-DC Converters
- Power Inverters
- Battery Chargers
- Motor Control Circuits
Product Specifications
| Parameter |
Value |
| Package/Case |
SOIC-16 |
| Operating Temperature |
-40°C to +85°C |
| Mounting Type |
Surface Mount |
| RoHS |
Compliant |
The Texas Instruments TL494ID is a reliable and efficient solution for designers who require a high-performance PWM controller with a range of features that enable customization and precision in power supply applications.