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USB-TO-GPIO

USB Interface Adapter EVM

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USB-TO-GPIO

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Overview

This EVM serves as an interface adapter or a bridge between a host PC (IBM™ compatible) and one or multiple slave devices via a standard type-A to mini-B USB cable. The communication between the USB interface adapter and the host PC is via USB, while the communication between the USB interface adapter and the slave device(s) is via an inter-integrated circuit (I²C), SMBus, PMBus and/or general-purpose inputs/outputs GPIOs. The bridge converts communication transactions between the USB and serial protocol.

Features
  • Supports master mode I²C, SMBus or PMBus as well as GPIO.
  • Supports USB1.1 full speed at 12 Mbit/s. The USB interface adapter is recognized by the host as a generic human interface device (HID), so no proprietary USB or HID driver is needed. Therefore, the USB interface adapter can be treated as a USB plug-and-play device.
  • Selects different clock speeds (either 100 kHz or 400 kHz) for I²C, PMBus, or SMBus communications.
  • Configures different pullup resistors for clock, data and ALERT signals (including open-drain).
  • Supports flexible I²C read or write transactions (specify raw data, instead of device address, command, etc.) .
  • Includes .NET DLL for supporting Windows .NET GUIs using the adapter.
  • No Windows dependencies other than the Microsoft .NET Framework version 2.0.
Buck controllers (external switch)
TPS53681 — Dual-Channel 6+2/5+3 D-CAP+TM Multiphase Step-Down Controller with PMBus and NVM

 

Buck modules (integrated inductor)
TPSM831D31 — 8V-14V Input, 120A + 40A Dual Output PMBus module with AVS and Monitoring

 

Digital power isolated controllers
UCD3138 — Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs

 

Sequencers
UCD90120 — 12-Channel Sequencer and System Health Monitor UCD90120A — 12-Rail Power Supply Sequencer and Monitor with ACPI Support UCD90124 — 12-Rail Sequencer and System Health Controller with Fan Control UCD90124A — 12-Rail Sequencer and System Health Monitor with Fan Control and ACPI Support UCD90160 — 16-Rail Power Supply Sequencer with ACPI Support UCD90160A — 16-Rail PMBus Power Supply Sequencer and System Manager with ACPI Support UCD90320 — 32-Rail PMBus Power Sequencer and System Manager UCD9080 — Power Supply Sequencer and Monitor UCD9081 — Power Supply Sequencer and Monitor with Non-Volatile Error Logging UCD9090 — 10-Channel Sequencer and System Health Monitor UCD9090-Q1 — Automotive 10-Channel Sequencer and System Health Monitor UCD9090A — 10-Rail Power Supply Sequencer and Monitor With ACPI Support UCD90910 — 10-Rail Sequencer and System Health Monitor with Integrated 10-Channel Fan Controller

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Interface adapter

USB-TO-GPIO – USB Interface Adapter EVM

GUI for evaluation module (EVM)

Reference GUIs and Libraries for Eval and Usage of the USB Inteface Adapter – SLLC288.ZIP (272KB)

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Technical documentation

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Type Title Date
More literature USB-TO-GPIO EU Declaration of Conformity (DoC) Jun. 13, 2018
Technical article "X" Marks the spot - 7 Treasures in a pirate engineer's treasure chest Sep. 19, 2013
More literature USB Interface Adapter Evaluation Module Aug. 02, 2006

Related design resources

Hardware development

EVALUATION BOARD
TPS53915EVM-587 — TPS53915EVM-587 Single Synchronous Step-Down Converter Evaluation Module TPS544B20EVM-634 — 20A D-CAP/D-CAP2 SWIFT™ Converter with PMBus™ and V, I, Temp Telemetry TPS544B25EVM-681 — Single-Output DC-to-DC Converter with PMBus Interface TPS544C25EVM-681 — TPS544C25EVM-681 Evaluation Module

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