Hw-133-v1.0 Datasheet !full! -
If you are drawing more than 2A continuously, the module will get hot. Consider adding a small heatsink or ensuring good airflow to prevent thermal shutdown.
Connect your input power source to IN+ and IN- while keeping the target load .
: Powering flight controllers and receivers from high-voltage LiPo batteries. Embedded Systems : Providing regulated 3.3V or 5V logic power for Arduino or Raspberry Pi Alash Electronics Battery Regulation
Key takeaways from this comprehensive analysis: Hw-133-v1.0 Datasheet
| | Specification | Conditions / Notes | | :--- | :--- | :--- | | Input Voltage | 4.5V to 28V DC | Wide range suitable for various sources | | Output Voltage | 0.8V to 20V DC | Adjustable via on-board potentiometer | | Max Output Current | 3A | With proper heat management | | Nominal Output Current | 2A | Recommended for continuous operation | | Switching Frequency | 1.0 MHz to 1.5 MHz | Programmable, reduces external component size | | Efficiency | Up to 95% | Under optimal load conditions | | Output Ripple | 30 mV | Typical value, ensuring clean output | | Operating Temperature | -45°C to +85°C | Suitable for harsh environments | | Module Dimensions | 22 x 17 x 4 mm | Compact, for space-constrained designs | | Weight | Approx. 2g | Lightweight module |
The HW-133-v1.0 is a testament to how modern power electronics can be both powerful and incredibly small. By leveraging the advanced MP1584 regulator, it offers a compact, efficient, and highly versatile solution for countless voltage conversion needs. Whether you are a hobbyist powering your latest gadget, an engineer prototyping an embedded system, or a technician performing a field repair, the HW-133-v1.0 datasheet reveals a module that punches far above its weight class. Its ease of use, coupled with robust specifications, ensures it will remain a staple on workbenches and in product designs for years to come.
: The v1.0 revision is noted for its reliable firmware/hardware handshake with modern Arduino and microcontroller boards. www.daraz.com.bd Weaknesses & Precautions Thermal Management If you are drawing more than 2A continuously,
Unregulated DC supply input (4.5V to 28V).
+12V o -------- | IN+ OUT+ | -------- o +5V (to Arduino VCC) | HW- | GND o -------- | IN- OUT- | -------- o GND (to Arduino GND)
Providing reliable, efficient power conversion for dev boards like the ESP32-C3 Super Mini or traditional Arduino systems. By leveraging the advanced MP1584 regulator, it offers
Comprehensive Engineering Datasheet & Integration Guide: HW-133-V1.0 DC-DC Step-Down Module
If you power the sensor constantly while it is wet, DC current will flow through the water, causing electrolysis. This eats away the copper traces like rust. Only power the VCC pin when you are taking a reading (e.g., using a digital pin as a power source).

