Multiple output desktop auxiliary power supply 24 + 12 + 3V. Are you tired of searching for the right power supply every time you need to verify something? Say goodbye to the hassle with our multiple desktop auxiliary power supply! Perfect for product verification, toy maintenance, DIY projects, and more. With verified 7×24 working hours, electrical parameters including fixed and adjustable outputs, and safety features like overcurrent protection, our device is a reliable and convenient solution for all your power supply needs. Don’t waste any more time searching through piles of adapters—upgrade to our auxiliary power supply today!

The birth scene is as follows: Sometimes when you want to verify something and need a power supply, you either can’t find it or the voltage is not suitable. You search and search among a pile of power supplies!!! Including PD power supplies that need to deceive and regulate PPS, or simply do not have an adapter, it still feels inconvenient. So I casually created a device for debugging and an auxiliary power supply…

Schematic Multiple desktop auxiliary power supply 24 + 12 + 3V

Applications:

• product verification and debugging phase,
• toy maintenance,
• small signal maintenance,
• DIY applications, etc.

The product has been verified for 7×24 working hours!!!

Electrical parameters:

• Input power supply voltage: AC: 220V or DC: <24V AC
• Input protection: Yes
• Standby power consumption: <20mA
• Start time: <500ms
• Operating temperature: -40 °C to 85 °C, -40 °C to 125 °C
• Fixed output 1: 24V 0.83A Max
• Fixed output 2: 12V 1.66A Max
• Fixed output 3: 5V 2A Max
• Fixed output 4: 3.3V 2A Max
• Adjustable output 1: 14V 1.42A Max

Notes:

• Caution: Contains high voltage,
• non-professionals, do not disassemble or manufacture.
• Caution high voltage input!!!
• Caution welding direction!!!

About IC XL1509

The IC XL1509 is a high-performance synchronous buck converter integrated circuit that is commonly used in power supply applications. It features a wide input voltage range, high efficiency, and low standby current, making it ideal for battery-powered devices and other power-sensitive applications. The XL1509 also offers a variety of protection features, including overcurrent protection, thermal shutdown, and short circuit protection, ensuring the safety and reliability of the power supply system. Overall, the IC XL1509 is a versatile and reliable solution for powering various electronic devices.

PDF Datasheet IC XL1509

About HLK-20M24

HLK-20M24 is a high-quality power supply module that is designed for industrial applications. It offers stable and reliable power output, making it ideal for use in various electronic devices and equipment. The module features a compact design and a wide input voltage range, making it versatile and easy to integrate into different systems. With its high efficiency and low power consumption, HLK-20M24 is a cost-effective solution for powering industrial equipment and machinery. Additionally, it is built with safety features to protect against overvoltage, overcurrent, and short circuits, ensuring the reliable operation of connected devices. Overall, HLK-20M24 is a dependable power supply module that meets the demands of industrial applications.

PDF Datasheet module HLK-20M24

About transistor DTC143ZCA

DTC143ZCA is a digital transistor (Resistor built-in type transistor). Built-in bias resistors enable the configuration of an inverter circuit without connecting external input resistors.

PDF Datasheet transistor DTC143ZCA

About IC HT7550-1

The HT7550-1 is a low dropout voltage regulator that is commonly used in various electronic devices. With a dropout voltage of only 0.5V at 500mA output current, it is able to provide a stable and reliable power supply to the connected components. This regulator has a wide input voltage range of 3.3V to 12V, making it versatile for use in different applications. Additionally, it has built-in overcurrent and thermal protection to ensure the safety of the connected devices. Overall, the HT7550-1 is a compact and efficient voltage regulator that is ideal for powering sensitive electronic components.

PDF Datasheet IC HT7550-1

About IC TPS54302

The TPS54302 is a highly efficient synchronous step-down DC-DC converter from Texas Instruments. It is designed to provide up to 3A of output current with an input voltage range of 4.5V to 28V. The TPS54302 features a wide switching frequency range of 100kHz to 2.5MHz, allowing for flexibility in designing power supplies for various applications. This IC also incorporates a programmable soft-start function and cycle-by-cycle current limit protection, ensuring safe and reliable operation. With its small size and high efficiency, the TPS54302 is an ideal choice for powering a wide range of devices in industrial, automotive, and consumer electronics applications.

PDF Datasheet IC TPS54302

About mosfet WSD30L40DN

The WSD30L40DN is the highest performance trench P-ch MOSFETs with extreme high cell density , which provide excellent RDSON and gate charge for most of the synchronous buck converter applications .

PDF Datasheet Mosfet WSD30L40DN

BOM Multiple output desktop auxiliary power supply 24 + 12 + 3V

Download files, links, and notes

• Download PCB in Gerber + BOM + Centroid File
• Buy IC XL1509
• Buy module HLK-20M24
• Buy transistor DTC143ZCA

source: https://oshwhub.com/18511895537/duo-lu-diao-shi-zhuo-mian-dian-yuan