Opensource hardware

PwrBlock 323

Programmable DC power supply designed specifically for automated hardware testing

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Description

Electrical

  • Output power: up to 92 W

  • Output range: up to 32 V, up to 3 A

  • Input power: USB Type-C 20 V 5 A

  • Protections: OVP, OCP, OPP, OTP

  • Measurement resolution: 10 mV / 1 mA

  • Adjustment resolution: 10/20 mV / 1mA

  • Ripple: < 30 mVpp, < 2 mA RMS

Hardware

  • Power controller: LM51772

  • Input protection: TPS259830

  • MCU: STM32G0C1CEU

  • Measurements: INA229

  • Fixture-friendly form factor intended to mount inside a jig/stand

  • Robust mechanical design with multiple mounting holes

  • Connectors allow either direct wiring or direct plug-in to a jig interface board

  • Dimensions (L × W × H): 130 x 70 x 20 mm (5.12 x 2.76 x 0.79 in)

Interfaces & Ports

  • USB Type-C for power-in and control

  • Additional USB Type-C for control

  • Pin Header 2.54 10 for control

  • Pin Header 2.54 40 for power and protected IO

    • Power-in

    • Power-out

    • UART

    • SPI

    • I2C

    • 7 x DIO

  • Banana jacks for direct power connection

Automation & Software

  • SCPI control (automation-friendly command interface)

  • Python-ready (designed to be easy to integrate into test scripts and frameworks)

  • Suitable for automated test jigs, HIL, and production stations

2156
Helsinki
2156
Helsinki
2156
Helsinki

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