DC1613A I2C/SMBUS/PMBUS Controller - analog.com

1 DEMO MANUAL DC1613A . I2C/SMBUS/PMBUS . Controller DESCRIPTION. Demonstration circuit 1613A is a USB-based Controller detects which demo board is connected and loads the with generic Inter Integrated Circuit (I2C) ports as well as appropriate control screen. SMBUS/PMBUS capabilities. It is designed to mate with The LTpowerPlay system provides a quick and easy way Linear Technology's family of LTpowerPlay demonstra- to evaluate the performance of a wide variety of Linear tion boards. The demo board is fully isolated from the Technology's products host PC's ground.

2 The evaluation software automatically L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and LTpowerPlay is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. DEMONSTRATION CIRCUIT. TO SMBUS TO USB. dc1613af 1. DEMO MANUAL DC1613A . QUICK START PROCEDURE. For proper equipment setup, follow the procedure SOFTWARE TOOLS. below: The LTpowerPlay demo software includes tools for auto- 1. Do NOT plug in the DC1613A to the PC, before running matic software updates and for quickly retrieving relevant the installation program.

3 Documentation from the World Wide Web. 2. Download the LTpowerPlay installation program from NOTE: Adobe Acrobat Reader is required to view the docu- ments and is available at 3. Run the LTpowerPlay installation program and follow To use the tools: the on-screen instructions. Quit the demonstration circuit software or disconnect the The LTpowerPlay demo software requires a PC that is USB cable so that the main control panel appears: running Windows XP (or later), and has an available USB. port. 4. Connect the demonstration circuit to be evaluated to the DC1613A using the supplied 12-conductor ribbon cable.

4 The demo software detects the circuit and starts the appropriate control screen. Each demonstration board also comes with a Quick Start guide similar to this one. For usage details relevant to a particular circuit refer to its Quick Start guide. To update the software (requires internet connection): Choose Update from the Tools menu. This automatically updates the main program and drivers for individual demo circuits. dc1613af 2. DEMO MANUAL DC1613A . TROUBLESHOOTING GUIDE. Problem: DC1613A is plugged in, but LTpowerPlay screen Problem: Demo board software loads properly, but will still says USB Serial Controller Not Connected.

5 Not run or gives Device Not accessible errors. Solution: The most likely cause is improper installation of Solution: Verify that the demo board is properly powered the USB drivers, which causes Windows to recognize the up. This Quick Start guide lists the basic power connec- DC1613A as an Unknown Device. Open the Windows tions to DC1613A . Some demo boards may have additional Control Panel, open System and click the Device man- requirements; refer to the demo board's Quick Start guide ager tab. Open the Other Devices item and look for USB for details.

6 SERIAL Controller . Select this item and click the remove Problem: After connecting the demo board to DC1613A . button. Unplug the DC1613A , reinstall the LTpowerPlay with the supplied 12-pin ribbon cable, LTpowerPlay soft- software and follow the on-screen instructions. ware still displays Evaluation Board is not Connected.. Solution: Contact Linear Technology Applications Engineering. dc1613af 3. 4. 5 4 3 2 1. REVISION HISTORY. ECO REV DESCRIPTION APPROVED DATE. _ 2 PRODUCTION LEO C. 04-19-10. VPIC. D C1 C2 VCC D. U1 COMMAND. 28.

7 7. PIC16LF1937-I/PT + LED1. VCC U2 LTST-C190 KGKT. LTC1799CS5 24 - (LITE-ON). RA5. VDD. VDD. RA5 23 GRN. 1 5 30 RA4 22 RA4. V+ OUT OSCIN RA3 21 USB_TXE#. C3 R3 RA2 USB_WR_CLK# PROG R1 R2. 2 R4 20 USB_RXF# R5 475. 20k GND RA1 19 1k JP1. 3 4 RA0 USB_RD_CLK# 5 6. SET DIV 17 3 4 USB_RXF#. PGD/RB7 16 1 2. PGC/RB6 15. SCHEMATIC DIAGRAM. RB5 14 RB5/CS. HD2X3-079. RB4 11. 31 RB3 10. OSCOUT RB2 9 NXP_WR_. RB1 8 ALERTB. INT/RB0 NXP_INT_ VCC. 1 NXP_RD_. RX/RC7 44. TX/RC6 43 NXP_CE_. C MOSI/RC5 RC5/MOSI/SDAO C. 42 RC4/MISO/SDAI R10. MISO/RC4 37 JP2.

8 SCK/RC3 36 RC3_SCK. RC2 NXP_A0_ OPT OPT. SYSTEM_RST# 18 35 3. MCLR RC1 32 NXP_A1_ 2 1. RC0 OUTEN 1. 5 0. RD7 PIC_DB7 R12. DEMO MANUAL DC1613A . 27 4 PIC_DB6 1M HD1X3-079. AUX_MAIN# RE2/CS RD6 3. RD5 PIC_DB5 OPT. 26 2 PIC_DB4. GPO_2 RE1/WR RD4 41. 25 RD3 40 PIC_DB3. GPO_1 RE0/RD RD2 39 PIC_DB2. RD1 38 PIC_DB1. RD0 PIC_DB0. VSS. VSS. 6. 29. B B. ASSY R63 R64 R65 R66 R67 R68 Q6 Q7. -A OPT 0 0 OPT 0 OPT OPT OPT. -B 0 OPT OPT 1k OPT 1k 2N7002 2N7002. 1630 McCarthy Blvd. CUSTOMER NOTICE APPROVALS Milpitas, CA 95035. LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A Phone: (408)432-1900 CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; Fax: (408)434-0507.

9 A. NOTES: UNLESS OTHERWISE SPECIFIED HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. KT. TECHNOLOGY. LTC Confidential-For Customer Use Only A. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL. 1. ALL RESISTORS ARE IN OHMS, 0402. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. LEO C. TITLE: SCHEMATIC. ALL CAPACITORS ARE IN MICROFARADS, 0402. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT. PERFORMANCE OR RELIABILITY. CONTACT LINEAR I2C / SMBUS / PMBUS Controller . 2. INSTALL SHUNTS ON JUMPERS AS SHOWN.

10 TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. SIZE IC NO. REV. N/A DEMO CIRCUIT 1613A 2. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND. SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. SCALE = NONE DATE: Monday, April 19, 2010 SHEET 1 OF 4. 5 4 3 2 1. dc1613af 5 4 3 2 1. C9 R14 VCC USB5V. 475. D C11 C12 C10 D. 10uF, 0805. C13. U6 C14 USB5V. 30. 3. 26. 13. FT245BL. R17 J2. 18 1. VIO. PIC_DB7 VCC. VCC. 19 D7 2 1. AVCC. PIC_DB6 20 D6 3 2. PIC_DB5 21 D5 4 3. PIC_DB4 22 D4 8 5 4. R18 C18 C19. SCHEMATIC DIAGRAM. PIC_DB3 23 D3 USBDM 6 5.