Application Note 1900 USB to PMBus™ Adapter User Guide USB to PMBus Adapter Quick Start Guide The Intersil USB to PMBus Adapter (often referred to as a “dongle”) is used to connect a demonstration board with a PMBus interface to a PC. The USB to PMBus adapter is powered from the USB output of the host PC. The USB interface utilizes the USB Mini format, and the output uses a standard 2 row, 6 pin header on 0.100 inch centers. The PMBus command set is accessed by using the PowerNavigator™ evaluation software from a PC running Microsoft Windows. PowerNavigator software is downloaded from the Intersil website using the following link: http://www.intersil.com/powernavigator.html • Connect the USB Mini provided between the host computer and the USB to PMBus adapter • Connect USB to PMBus adapter to demonstration board to test or evaluate • Apply input power (labeled VIN) to the demonstration board • Using the host PC’s internet browser, connect to the following website: http://www.intersil.com/powernavigator.html Ordering Information PART NUMBER ZLUSBEVAL3Z • Follow the instructions on the website. DESCRIPTION • Once the PowerNavigator software is installed, double-click on the PowerNavigator icon and follow the software’s instructions USB to PMBus Adapter and Cable Technical Details A typical application set-up is shown in Figure 1. For those wishing to make discrete connections to an application board, a pictorial diagram of the output pin signals is shown in Figure 2. A schematic of the USB to PMBus Adapter internal circuitry is provided in Figure 3. The Bill Of Materials is detailed on page 3. . TO HOST COMPUTER DEMO BOARD VIN ENABLE 3.3V SCL SDA GND SALRT FIGURE 1. USB TO PMBus TYPICAL SET-UP FIGURE 2. PIN CONFIGURATION DIAGRAM September 29, 2014 AN1900.1 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2013, 2014. All Rights Reserved Intersil (and design), and PowerNavigator are trademarks owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. Submit Document Feedback ZLUSBEVAL3Z Schematic 2 Application Note 1900 FIGURE 3. USB TO PMBus ADAPTER SCHEMATIC AN1900.1 September 29, 2014 Application Note 1900 USB to PMBus Bill Of Materials PART # REF DES QTY VALUE TOL. VOLTAGE POWER PACKAGE TYPE MANUFACTURER DESCRIPTION 54819-0519 J2 1 VER1 MOLEX GRAY USB TYPE B MINI-B Header Assembly TSW-105-07-T-D J1 1 10 MOLEX 10 PIN DUAL ROW VERTICAL PCB MALE CONNECTOR C0805C106K8PACTU C7 1 10µF 10% 10V 805 KEMET Multilayer Cap C1, C2, C8 3 1µF 16V 603 TDK Multilayer Cap C8051F320 U2 1 LQFP SILICON LABRATORIES General Purpose MicroControllers PREPROGRAMMED H1044-00103-16V10 C4 1 0.01µF 10% 16V 402 GENERIC Multilayer Cap H1044-00104-16V10 C3, C6, C9 3 0.1µF 10% 16V 402 GENERIC Multilayer Cap H2510-00R00-1/16W R3, R4, R13 3 0 0% 1/16W 402 GENERIC Thick Film Chip Resistor H2510-01001-1/16W1 R1, R2, R5, R10 4 1k 1% 1/16W 402 GENERIC Thick Film Chip Resistor H2510-01002-1/16W1 R11 1 10k 1% 1/16W 402 GENERIC Thick Film Chip Resistor H2510-03000-1/16W1 R7, R12 2 300 1% 1/16W 402 GENERIC Thick Film Chip Resistor H2510-04701-1/16W1 R6, R8, R9 3 4.7k 1% 1/16W 402 GENERIC Thick Film Chip Resistor ISL80101IR33Z U1 1 3.3V DFN INTERSIL HIGH PERFORMANCE 1A LDO (Pb-Free) 3.3V LMK107B7225KA-T C5 1 10V 603 Taiyo Yuden CERAMIC CAP MV5774C D1 1 DIP2 EVERLGHT ELECTRONICS LED SS HI EFF RED DIFF 3MM MV5474C D2 1 DIP2 EVERLGHT ELECTRONICS LED SS HI EFF GREEN DIFF 3MM SSQ-103-02-T-D-RA J3 1 DIP SAMTEC 6 Pin Header 2.54mm x 2.54mm (0.100) right angle C1608X7R1C105K 10% 2.2µF 10% S1A-201209-INT13029 MECHANICAL 1 New Age Enclosures Custom plastic encapsulation for dongle; includes screws 0887328800 1 Molex MECHANICAL USB A TO MINI B 1.8M WHITE Cable TOTAL 31 Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that the Application Note or Technical Brief is current before proceeding. For information regarding Intersil Corporation and its products, see www.intersil.com Submit Document Feedback 3 AN1900.1 September 29, 2014