CA-901 12V/24V Step-Down Power Module for 46" LCD TV

CA-901 Step-Down Power Module — Stable Voltage Regulation for LCD TVs & Electronics

The CA-901 Step-Down Power Module is a compact, high-performance voltage regulator designed for 46-inch LCD TVs and a wide range of electronics. Utilizing DC sampling and TL431 voltage regulation feedback, this module delivers precise, stable output voltage — making it an excellent replacement or upgrade power solution for living room entertainment systems and DIY electronics projects.

Made in Mainland China.

Key Features

• Selectable 12V or 14V Output: Simply connect the corresponding pads to switch between 12V and 14V output — flexible for multiple applications.
• Default Factory Voltage: 24V — ready to use right out of the box for standard setups.
• TL431 Voltage Regulation Feedback: Ensures excellent voltage stability, minimizing fluctuations for sensitive LCD TV circuitry.
• High Performance & Low Power Consumption: Engineered to be energy-efficient while maintaining reliable output.
• Wide Voltage Regulation Range: Handles 12V and 24V input scenarios, making it versatile across various electronics.
• Compact PCB Design: Small footprint (1.34 × 1.06 in / 3.4 × 2.7 cm) fits easily into tight spaces.
• Easy Installation: Streamlined connection layout — just follow the included wiring diagram and connect to your required output voltage.
• EU LVD Compliant: Operates at low voltage (below 50Vac or 75Vdc) for safer use.

Specifications

Package Includes

• 1, 2, or 3 × CA-901 Step-Down Module (quantity as selected)

Important Notes

• Product photos are for illustration purposes; please refer to the written specifications for exact dimensions.
• Allow minor differences due to manual measurement.
• Actual color may vary slightly due to monitor display differences.

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Frequently Asked Questions

Q: What is the CA-901 step-down module used for?

A: The CA-901 is a DC step-down power module primarily designed for 46-inch LCD TVs, but it is also suitable for a variety of electronics projects that require stable 12V or 14V regulated voltage output from a 12V or 24V input source.

Q: How do I select between 12V and 14V output on the CA-901?

A: Simply connect the corresponding pads on the PCB board to switch the output between 12V and 14V. The module ships with a default factory voltage of 24V, and the wiring diagram guides you through the setup process.

Q: What are the dimensions of the CA-901 module?

A: The CA-901 measures 1.34 × 1.06 inches (3.4 × 2.7 cm), making it a compact solution that fits easily into electronics enclosures or TV chassis assemblies.

Q: Is the CA-901 safe to use with standard home electronics?

A: Yes. The CA-901 operates at low voltage levels (below 50Vac or 75Vdc), which complies with EU Low Voltage Directive (LVD) standards, making it suitable for safe use in household electronics and entertainment systems.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.