STDES-USBPWRMT1

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USB Type-C power meter reference design based on TSZ122, LDK120,ST715, and STM32

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Overview

Product overview

Description

Description

The STDES-USBPWRMT1 is a measurement device that can be inserted between a USB Type-C™ power source and a USB Type-C™ power sink device.

The STDES-USBPWRMT1 power meter includes a USB Type-C™ receptacle connector on one side and a USB Type-C™ plug on the other side.

The power meter embeds a shunt resistor that is inserted on the USB Vbus lines and enables the measurement of the current flowing through the dongle.

All data lines are carefully routed from the input of the power meter to the output, so that transmitted data are affected as little as possible by the insertion of the power meter.

The bright display provides an accurate information of the USB port voltage, current, resulting power, and current direction.

This type of information can help the user to understand which charger is more efficient, in order to charge a device faster, or simply to visualize the power transfer from one device to another.

  • All features

    • Input voltage range: 5 to 20 V
    • Input current range: 0 to 5 A
    • Bidirectional current measurement
    • USB Type-C™ port power calculation
    • Pass-through for USB data lines
    • Allows understanding the charger power capability
    • Allows viewing the USB sink/source roles

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The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Marketing description of the package type.Compliancy of the device with industry requirement domains (IRD)The RoHS status of a product:
ECOPACK 1: Initial grade to identify European RoHS compliant products.
ECOPACK 2: New grade to identify brominated chlorinated and antimony oxide flame retardant free products.
ECOPACK 3: Halogen free RoHS exemptions free products.
(*): ECOPACK 2 version available upon request.
(**): Some versions still existing in ECOPACK 1 or not compliant.Compliancy with WEEE Directive (2012/19/EU)Longevity Commitment in yearsLongevity Starting DateThe current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Budgetary PriceMain country of assembly or fabrication of the product.ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes. ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes.