The is a popular adjustable buck (step-down) DC-DC converter module, often featuring the LM2596 voltage regulator. It is widely used in DIY electronics to convert higher DC voltages down to stable, lower levels (e.g., dropping 12V or 24V down to 5V or 3.3V). Technical Summary & Field Performance
Stepping down 3S or 4S LiPo battery packs to a clean 5V rail for flight controllers, RC receivers, or telemetry gear.
Once I have those details, I can:
Operating at up to 1.5 MHz allows the board to utilize a much smaller inductor and ceramic capacitors than lower-frequency modules (like the LM2596). This minimizes output ripple voltage to less than 30mV, making it clean enough for noise-sensitive microcontrollers and sensors. Potentiometer Voltage Adjustment
The module is rated for a absolute maximum current peak of 3A. However, continuous high-current draws generate substantial thermal energy. Hw-133-v1.0 Datasheet
A typical HW-133 datasheet includes:
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.
Adjustable from 0.8V to 20V via an onboard potentiometer.
To get the most out of the HW-133-V1.0 datasheet, designers and engineers should follow best practices, including: The is a popular adjustable buck (step-down) DC-DC
A low-profile, high-current shielded inductor that handles the high 1.5 MHz switching frequency.
The Hw-133-v1.0 is a versatile component with a wide range of applications across various industries, including:
These newer solutions offer faster programming speeds, enhanced compatibility, improved reliability, and reduced overall development costs.
Unregulated DC supply input voltage (4.5V to 28V). Once I have those details, I can: Operating at up to 1
Thanks in advance for any help!
The HW-133-V1.0 board typically features four clearly marked pads for soldering, ensuring straightforward integration into projects. Positive input voltage (4.5V - 28V) IN-: Input Ground (GND) OUT+: Positive Output Voltage (0.8V - 20V) OUT-: Output Ground (GND) Important Connection Notes:
The module includes copper thermal vias beneath the MP1584EN IC and the main inductor to help spread heat through the PCB layers. While rated for up to 3A peak, drawing more than 2A continuously generates noticeable heat. For steady, high-current loads, affixing a small aluminum heatsink or providing active airflow is highly recommended. Implementation & Application Notes Reverse Polarity Risk
The is a highly efficient, ultra-compact DC-DC buck (step-down) converter module, commonly identified by its use of the MP1584EN integrated circuit. Engineered for applications requiring a smaller footprint than the ubiquitous LM2596, this module offers superior efficiency and higher switching frequencies, making it ideal for powering sensitive electronics from higher voltage sources.