Hw-133-v1.0 Datasheet Better Jun 2026
: 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
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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
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22 mm x 17 mm x 4 mm (or 25 mm x 20 mm x 4 mm depending on board trim) Module Pinout Configuration Hw-133-v1.0 Datasheet
Below is a detailed technical summary based on its hardware specifications. ⚙️ Core Specifications
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The 1.0–1.5 MHz switching threshold ensures the board utilizes remarkably small surface-mount inductors and ceramic capacitors. This prevents output noise from bleeding heavily into sensitive downstream microcontrollers or radio gear, preserving a tidy, low-ripple
Regulated DC voltage output determined by the trimmer adjustment. While rated for up to 3A peak, drawing
Before connecting any delicate microcontroller load (such as an Arduino, ESP32, or Raspberry Pi Pico) to the pads, you must manually adjust and verify the voltage.
| Adapter Variant | Package Support | Compatible Series | |---|---|---| | HW-133-PC44 | 44-pin VQFP | XC9500XL/XV | | HW-133-VQ64 | 64-pin VQFP | XC9500XL/XV | | HW-133-CS48 | 48-pin CSP | XC9500XL/XV | | HW-133-CS144 | 144-pin CSP | XC9500XL/XV | | HW-133-TQ100 | 100-pin TQFP | XC9500/XL/XV | | HW-133-TQ144 | 144-pin TQFP | XC9500XL/XV | | HW-133-HQ208 | 208-pin HQFP | XC9500XL/XV | | HW-133-BG256 | 256-pin BGA | XC9500XL/XV | | HW-133-FG256 | 256-pin FBGA | XC9500XL |
Unregulated DC supply input (4.5V to 28V).
To retain its low cost and tight geometry, the HW-133-V1.0 omits several safety protections: 22 mm x 17 mm x 4 mm
The is an ultra-small, high-efficiency DC-DC step-down (buck) voltage regulator module. It is widely integrated into robotics, microcontrollers, and aerospace modeling due to its compact form factor and 3A peak output current capability . The module typically relies on the highly popular MP1584EN high-frequency switching regulator chip (or equivalent variants like the XM1584 or GW1584) paired with an onboard multi-turn potentiometer for adjustable output tuning.
: Its small size makes it ideal for space-constrained applications like drone builds or portable battery-powered devices. Low Ripple : Provides a clean output signal ( ripple), which is critical for sensitive microcontrollers. Pinout and Connection Guide
The official datasheet for HW-133 series adapters can be obtained from:
The HW-133-V1.0 stands out due to its compact form factor and exceptional power density. Below is the verified engineering data for the module: Specification Notes / Conditions MPS MP1584EN High-frequency synchronous buck switcher Input Voltage Range 4.5V to 28V DC Must be higher than the target output Output Voltage Range 0.8V to 20V DC Fully adjustable via onboard potentiometer Maximum Output Current Peak rating; requires cooling for prolonged loads Continuous Output Current 1.5A to 2.0A Safe operation limit without active heatsinking Peak Efficiency Achieved at lower voltage differentials Switching Frequency 1.0 MHz to 1.5 MHz High frequency allows minimal ripple filter sizes Output Ripple Measured at standard 20 MHz bandwidth limit Quiescent Current Low standby consumption for battery use Operating Temperature -40°C to +85°C Industrial-grade thermal compliance range Physical Dimensions 22 mm x 17 mm x 4 mm Ultra-miniature footprint Pinout Configuration and Board Layout
