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Small green circuit board with micro-USB port and pin headers

Vszerda

Vszerda CP2112 Debug Board USB to SMBus I2C Module 2.0 MicroUSB Evaluation Kit for CCS811 Sensor

SKU CH-5AFN-H7KGM

USB-to-SMBus bridge board with CP2112 controller, eight configurable GPIOs, 12 Mbps full-speed USB 2.0, on-board 3.45 V regulator and 194-byte OTP ROM

  • USB-powered development at 4.0–5.25 V
  • Wide –40 °C to 85 °C operating range
  • Native HID drivers on Windows, Mac, Linux
  • Eight configurable GPIO pins for custom I/O
  • 512-byte SMBus buffer speeds data transfers

USB-to-SMBus bridge for sensor development

The Vszerda CP2112 Debug Board provides a USB 2.0 full-speed interface to SMBus and I2C devices. It targets engineers and hobbyists who need to communicate with sensors such as the CCS811 without writing custom firmware. The board enumerates as a standard HID device on Windows, Mac and Linux.

GUI configurator and GPIO flexibility simplify

An on-chip 194-byte one-time programmable ROM stores custom product data while a 512-byte SMBus buffer handles traffic. Eight GPIOs are configurable as input, output, open-drain or push-pull, and a configurable clock output is available. The GUI-based configurator removes the need for complex driver development.

USB bus power or external supply with wide

The module accepts USB bus power from 4.0 to 5.25 V or a self-powered 3.0 to 3.6 V source, with I/O voltage from 1.8 V up to VDD. It operates from -40 °C to 85 °C. Builders who require isolated power domains or voltage-level translation beyond the stated ranges will need additional circuitry.

Punti di forza

  • USB-powered development at 4.0–5.25 V
  • Wide –40 °C to 85 °C operating range
  • Native HID drivers on Windows, Mac, Linux
  • Eight configurable GPIO pins for custom I/O
  • 512-byte SMBus buffer speeds data transfers

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Domande su questo articolo

Will the 194-byte OTP ROM or the CP2112 bridge chip itself need replacement after extended development cycles?

The 194-byte one-time programmable ROM is written once and cannot be rewritten, so plan final values carefully. The CP2112 bridge controller is a solid-state USB 2.0 full-speed device with no moving parts or rated write-endurance limit, so it does not require scheduled replacement.

Which electrical limit appears first when the board runs continuously at the top of its temperature range?

The on-chip 3.45 V regulator and I/O voltage window of 1.8 V to VDD set the thermal ceiling; sustained operation at 85 °C can push the regulator toward its current limit before the -40 °C to 85 °C ambient spec is exceeded.

How much heat and noise does the module produce when powered from USB all day?

The board draws power from the USB 2.0 bus at 4.0–5.25 V with no fan or active cooling, so it runs silently and generates only low heat typical of a 12 Mbps full-speed bridge controller.

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