Powering flight controllers or cameras from a higher-voltage LiPo battery. Arduino/ESP32 Projects: Stepping down logic levels.
Roughly 22mm x 17mm x 4mm, making it significantly smaller than standard LM2596 modules. Performance Review Pros:
While rated for 3A, the module gets very hot above 2A. If you plan to run it near its limit, apply a small heatsink or use active cooling.
Usually a 33uH or similar low-profile inductor for energy storage.
: The automotive industry, with its rapid adoption of electric vehicles and autonomous driving technologies, might utilize Hw-133-v1.0 in systems requiring high reliability and sophisticated control. Hw-133-v1.0 Datasheet
3A (rated), though continuous loads above 1.5A–2A may require additional cooling.
The HW-133 is not a groundbreaking piece of technology; it is a utilitarian workhorse. In the world of datasheets, the HW-133-v1.0 document represents the "IKEA instruction manual" of the DIY electronics world. It is unpolished, occasionally vague, but utterly essential for anyone bridging the gap between code and physical motion.
The core performance of the HW-133-V1.0 module is dictated by the underlying MP1584EN IC datasheet. It utilizes synchronous rectification to maintain high conversion efficiency even under heavy loads. Specification Notes / Conditions 4.5V to 28V DC Input must be higher than output Output Voltage Range 0.8V to 20V DC Adjustable via onboard potentiometer Maximum Output Current 3.0 Amperes Peak current rating Continuous Operating Current 1.5 Amperes Recommended without external cooling Maximum Conversion Efficiency Varies based on VINcap V sub cap I cap N end-sub VOUTcap V sub cap O cap U cap T end-sub differential Switching Frequency 1.0 MHz (Typical) to 1.5 MHz (Max) High-frequency reduces ripple Output Ripple Measured at no-load state Quiescent Current Standby mode power draw Operating Temperature -40°C to +85°C Industrial grade operational range Physical Dimensions 22 mm × 17 mm × 4 mm Ultra-small PCB layout footprint Pinout Configuration
The is functionally identical to the YL-69 and FC-28. The "v1.0" primarily indicates the PCB layout revision. Powering flight controllers or cameras from a higher-voltage
Use a multimeter on the OUT+ terminals while turning the onboard trimpot. Clockwise: Increases voltage. Counter-clockwise: Decreases voltage.
The HW-133 adapters meet various environmental and regulatory standards:
Common ground reference point for the input power supply.
4.5V to 28V (some variants specify 4.75V to 23V). Performance Review Pros: While rated for 3A, the
Common ground return path shared with input power.
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The is an ultra-small, highly efficient DC-DC step-down (buck) voltage regulator module widely used in robotics, embedded systems, and hobbyist electronics. Built on the high-frequency Monolithic Power Systems (MPS) MP1584EN buck converter IC , this miniature module converts a higher direct-current input voltage into a stable, lower output voltage. It serves as a modern, high-efficiency replacement for bulky, older linear regulators and larger buck converter boards. Core Specifications Overview