Product description (DCDC / USB power module based on TPS40057) Key benefits Stable, adjustable DC power: adjustable power supply module built around the TPS40057 chip provides reliable regulation for a wide range of applications. current and efficiency: supports up to 6 A continuous current with up to 94% efficiency, reducing heat and improving energy use. Compact and robust: small footprint (4.8 × 3.9 × 2.4 cm) that fits crowded enclosures while offering industrialgrade stability. Improved current handling: doubling PCB board and increased board width ensure smoother current flow and lower trace resistance under load. Longterm reliability: frequency, lowresistance electrolytic capacitors selected for voltage tolerance and stable performance over time. USB compatibility: includes USB power module feature for powering or interfacing with USBpowered devices. What it does and why you need it Provides a compact, efficiency DCDC conversion solution that supplies steady, adjustable voltage and up to 6 A of current. Reduces thermal stress and power loss thanks to 94% efficiency, making it suitable for continuous operation and powersensitive projects. Handles higher currents reliably because of a reinforced PCB layout and quality electrolytic capacitors, minimizing voltage drop and improving stability. Primary features Core components: 055l packaging, TPS40057 chip, USB power module. Output capability: up to 6 A current. Efficiency: up to 94%. Physical size: 4.8 × 3.9 × 2.4 cm. PCB design: doubling PCB board with increased width for smoother current flow. Capacitors: frequency, lowresistance electrolytic capacitors with voltage tolerance and enhanced stability. Function: DCDC power module, adjustable power supply module. Typical use scenarios Prototyping and development: power singleboard computers, microcontroller systems, and custom electronics where compact, adjustable, current supply is required. Portable and USBpowered devices: integrate as a USB power module for chargers, portable test rigs, or power docks that need efficient conversion and stable output. Industrial and embedded systems: bulky linear supplies in control modules, sensor hubs, or small drives where efficient, stable DC conversion and voltage tolerant components improve reliability. Compatibility and practical notes Designed as a DCDC power module and USB power module; ensure electrical interfaces and required voltage ranges match your system before installation. Compact dimensions facilitate panel or enclosure mounting; consider airflow or heat dissipation depending on operating current and ambient conditions. Robust PCB layout and capacitor selection increase longevity under sustained load, making the module suitable for continuous operation. Technical summary Chip: TPS40057 Packaging: 055l packaging Current: 6 A Efficiency: 94% Size: 4.8 × 3.9 × 2.4 cm PCB: doubling PCB board with increased width Capacitors: frequency, lowresistance electrolytic capacitors, voltage tolerance Function: DCDC power module, adjustable power supply module, USB power module