GRL-USB-PD-A1 Type-C™ Power Delivery Analyzer & Power Meter


The USB Power Delivery Analyzer “A1” is a monitoring device that measures the VBUS voltage and current consumption of a USB Type-C ™ device. CC (CC1 / CC2) voltage, VCONN voltage and power consumption can also be measured. You can also monitor PD packets between USB Power Delivery devices.

Out of stock


The A1 USB Power Delivery protocol analyzer and Power Meter is a helpful and unique tool that supports protocol analysis of the USB Type-C Power Delivery standard and can measure the voltage levels; current draws and related Power Consumption in parallel. The A1 is connected between two USB Type-C capable devices and allows to analyze voltage and current information of the USB Type-C device The Power Delivery messages transmitted and received between the USB Power Delivery Sink and Source are captured and visually represented for in-depth analysis.

Key Features

  • Allows you to monitor PD packets used for negotiation between USB Power Delivery (PD) devices.
  • Message decoding of ALT mode negotiation as VDM data like for DisplayPort, HDMI, ThunderBolt, MHL, …
  • Change CC to set Rp, Rd, Ra on CC1 and CC2 to emulate a source or sink
  • View in real time USB PD protocol in correlation with Vbus, Current and CC
  • Perform round-the-clock testing where trace files are continuously and automatically saved
  • Trace files can be opened and analyzed by anyone using free trace viewing software
  • Find and filter options in PD messages
  • Include a USB2.0 µB – A cable

Advantages compared to other solutions

  • High resolution on voltage and current with 1ms time resolution
  • Calibration option to have an accurate voltage and current value
  • PD message correlate to the Vbus graph
  • Full PD decoding
  • Analyze both CC1 and CC2
  • Change CC to set Rp, Rd, Ra on CC1 and CC2 to emulate a source or sink


  • Vbus Voltage range : 0V to 20.0V (Resolution 10mV)
  • Vbus Current range : 0A to 5.0A (Resolution 1mA)
  • CC1/CC2 Voltage range : 0V to 5.0V (Resolution 10mV)
  • CC1/ CC2 Current range : 0A to 1.2A (Resolution 1 mA)
  • Sampling cycle : About 1~1000milliseconds interval (Specifiable in application)

External Dimensions

  • External Dimensions : W8 X L61.6 X H8.3±0.2mm
  • Weight : 16g

Electrical Characteristics

  • Power Source : 5.0V ± 10%
  • Current consumption : 32mA (normal operating condition)

Environmental conditions

  • Operating temperature range : 5 ~ +40°C
  • Operating humidity range : 35 ~85%RH (no condensation)
  • Limited use of hazardous substances : REACH, RoHS

 PC Requirements

  • PC System with USB EHCI or xHCI controller
  • Operating System: OS : Windows 7/8/8.1/10/11(32bit/64bit)


Download software A1 here

Download old SIGMA-51 software here