Texas Instruments TPS65235-1 User Manual Download Page 13 | Manualshive

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Test Procedure Example

13

SLVUAZ0 – November 2016

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Copyright © 2016, Texas Instruments Incorporated

Evaluation Module for the TPS65235-1 LNB Voltage Regulator With I

2

C

Interface for DiSEqC2.x Application

Figure 11. EXTM Has Envelope Input for Tone Output Control

Figure 12. DOUT Output When Tone Received

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Summary of Contents for TPS65235-1

Page 1: ...Contents 1 Introduction 2 2 Schematic 3 3 Board Layout 4 4 Bench Test Setup Conditions 6 4 1 Headers Description and Jumper Placement 6 4 2 Hardware Requirement 8 4 3 Hardware Setup 8 5 Software Insta...

Page 2: ...set by ISET pin connecting different resistors The maximum output current limit is up to 1 A TPS65235 1 can also run without I2 C In non I2 C mode the SCL pin and VCTRL pin are used to control 13 V a...

Page 3: ...C VCC SCL SDA 100k R6 33 0k R5 VCC GND BOOST VCC VCTRL 0 1 F C10 GND 40V 2A D3 0 1 F C11 40V 2A D2 DNP GND VOUT FAULT VCC VOUT VCC GND EXTM SCL SDA ADDR EN DIN DOUT VIN VCC ISET TCAP TP1 LX VCP VLNB G...

Page 4: ...capacitors rated are at least X7R and X5R 35 V rating and 1206 size for achieving lower LNB output ripple For this EVM two 22 F 35 V capacitors C8 and C9 are put at the output of the boost converter I...

Page 5: ...Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated Evaluation Module for the TPS65235 1 LNB Voltage Regulator With I2 C Interface for DiSEqC2 x Application Figure 3 Board Layo...

Page 6: ...nditions 4 1 Headers Description and Jumper Placement Figure 5 shows the header descriptions and jumper placement Figure 5 Headers Description and Jumper Placement Test points A LX for Boost Notes At...

Page 7: ...n board VCC is 6 3 V J4 Tone control EXTM Toggle the EXTM signal J4 2 to J4 3 and then J4 2 to J4 1 the internal tone signal is superimposed at the VLNB output VOUT EXTM to GND J4 2 to J4 3 no interna...

Page 8: ...ows XP or Windows 7 operating system USB port Minimum of 30 MB of free hard disk space 100 MB recommended Minimum of 256 MB of RAM 4 3 Hardware Setup After connecting the power supply to J2 floating J...

Page 9: ...alled the software automatically searches the Internet if connected for updates If a new update is available the software notifies the user of the update then downloads and installs the software Note...

Page 10: ...r Map Page for GUI Single click on a register name to show FIELD VIEW This shows the detail setting of each bit Double click on the bit to change the bit to 0 or 1 Single click the for the register na...

Page 11: ...n Control Panel for GUI Figure 7 through Figure 9 show the control GUI interface There are three 8 bit registers embedded in TPS65235 1 two to control the output voltage characteristics and one for st...

Page 12: ...7 J4 to GND J5 to GND 3 Apply 12 V to J2 4 Apply loads or non load to the output connector J1 check the output 5 Set the control register 0x00H and 0x01H to the expected output value and then check th...

Page 13: ...umentation Feedback Copyright 2016 Texas Instruments Incorporated Evaluation Module for the TPS65235 1 LNB Voltage Regulator With I2 C Interface for DiSEqC2 x Application Figure 11 EXTM Has Envelope I...

Page 14: ...Inc B240A 13 F 1 H1 H2 H3 H4 Bumpon Hemisphere 0 44 X 0 20 Clear 3M SJ 5303 CLEAR 4 J1 J2 Terminal Block 6A 3 5mm Pitch 2 Pos TH On Shore Technology ED555 2DS 2 J3 J4 J5 J7 Header 100mil 3x1 Gold TH S...

Page 15: ...are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasona...

Page 16: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 17: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 18: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 19: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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