CRD5463PM Cirrus Logic Inc, CRD5463PM Datasheet - Page 12

• Manufacturer Part Number: CRD5463PM
• Description: Power Management Modules & Development Tools Ref Design for Power Meter/Monitor
• Manufacturer: Cirrus Logic Inc

Specifications of CRD5463PM

• Interface Type: SPI, UART, USB
• Maximum Operating Temperature: + 85 C
• Operating Supply Voltage: 90 VAC to 260 VAC
• Product: Power Management Development Tools
• For Use With/related Products: CS5463
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.6.3
The CRD5463PM gain calibration process is to detect and save the Vrms and Irms register values and
associated true voltage and current values. In normal power monitoring operation, the GUI will use these
values to convert the raw register data into true measurement results. The CRD needs gain calibration
under one voltage and load condition only. Follow the procedure below to operate the gain calibration.
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7) Click the Yes button to proceed with the calibration process.
8) Wait for the completion of the process. The Irms Offset calibration takes about 4 seconds.
1) Turn on the AC source and adjust the voltage to the nominal operation voltage.
2) Switch on the CRD5463PM.
3) Launch the GUI.
4) Open the System Calibration window.
5) Turn on the load. The power factor of the load should be 1 and the load level should be in the range
6) Enter the calibration condition, AC volatge and AC current with the voltage and current measure-
7) Click the GAIN CAL button. The following message will pop up.
8) Wait for the completion of the process. The gain calibration takes about 5 seconds.
of your accuracy interest.
ments from the reference meter.
Gain Calibration
Figure 19. Calibration Process Confirmation Dialog
Figure 18. Calibration Completed Dialog
Figure 20. Calibration Completed Dialog
CRD5463PM
DS805RD2