If you need further engineering details, would you like me to map out a for your specific input/output needs, compare its efficiency with the LM2596 module , or suggest the right Schottky diode part numbers for reverse-voltage protection? Share public link
higher than the desired output voltage to maintain stable regulation. Application Scenarios
Powering flight controllers or cameras from a higher-voltage LiPo battery. Arduino/ESP32 Projects: Stepping down logic levels. Hw-133-v1.0 Datasheet
At first glance, it looks like just another generic breakout board. But if you try to search for an official "HW-133-v1.0 Datasheet," you might hit a wall. Why? Because the "HW" prefix usually points to a hardware reference design rather than a proprietary chip.
: Converting 12V automotive power or LiPo battery packs to a stable 5V for USB devices or Raspberry Pis. If you need further engineering details, would you
The HW-133 v1.0 is an ultra-small 3A DC-DC buck converter based on the MP1584EN regulator, operating within a 4.5V to 28V input and 0.8V to 20V output range. It features up to 96% efficiency, thermal shutdown, and integrated soft-start, making it suitable for compact, battery-powered projects requiring high efficiency. Detailed specifications and usage notes are available on product listings at Amazon.ca . MP1584EN Módulo Step Down 3A DC-DC - UNIT Electronics
The HW-133-V1.0 balances high switching frequencies with robust thermal architecture to deliver up to across wide voltage thresholds. Electrical & Performance Metrics Specification Value Notes / Conditions Input Voltage Range ( VINcap V sub cap I cap N end-sub ) 4.5V DC to 28V DC Absolute maximum is 30V DC Output Voltage Range ( VOUTcap V sub cap O cap U cap T end-sub ) 0.8V DC to 20V DC Fully adjustable via on-board potentiometer Maximum Output Current ( IOUTcap I sub cap O cap U cap T end-sub ) 3.0 Amperes Requires external cooling above 1.5A continuous Peak Conversion Efficiency Achieved at lower VINcap V sub cap I cap N end-sub VOUTcap V sub cap O cap U cap T end-sub Switching Frequency ( fSWf sub cap S cap W end-sub ) 1.0 MHz (typical) to 1.5 MHz (max) High-frequency operation minimizes inductor size Output Ripple Measured at 20 MHz bandwidth Quiescent Current ( IQcap I sub cap Q ) No-load state current draw Operating Temperature -40°C to +85°C Industrial grade thermal threshold 📌 Functional Pinout and Hardware Interface Arduino/ESP32 Projects: Stepping down logic levels
Efficient performance even during idle states. Integrated Protection:
: Always ensure the input voltage is at least 1.5V higher than the desired output voltage for stable operation.
Below is a detailed technical summary based on its hardware specifications. ⚙️ Core Specifications
While rated for 3A, users report significant heat generation at high current levels. For a long lifespan, it is best used under 1.5A unless a heatsink is added.