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TPS92518EVM Dual Buck Controller Evaluation Module

5

Software

5.1

TPS92518 Demonstration Kit Software Installation

Double-click on

TPS92518 Demonstration Kit

Installer.exe and click ‘yes’ when

Windows Account Control

asks to allow the program to make changes to the computer.

This will bring up the evaluation software screen:

Figure 16. Setup Screen 1

Click the

Next >

button to install.

Figure 17. Setup Screen 2

Click the

Next >

button.

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...
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15
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Содержание TPS92518EVM

Страница 1: ...Voltage 4 2 Efficiency Over Temperature at Different Peak Threshold Settings 4 3 PWM Dimming Multiple PWM Frequencies Both Channels 5 4 Single Channel PWM Dimming at 400 Hz 5 5 SPI Setting Output Enab...

Страница 2: ...state of the LEDxEN register is bypassed This allows a TPS92518 to be powered and operated using the default register values for details refer to the TPS92518 data sheet SLUSCR7 1 2 Connector Descrip...

Страница 3: ...e 2 Test Points Test Point Description Metal turrets All metal turrets are grounds PWM1 and PWM2 The test points labeled PWM1 and PWM2 allow for external signal sources to control the TPS92518 hardwar...

Страница 4: ...right 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module Table 3 TPS92518 EVM Performance Specifications continued Parameter Test Conditions Min Typ Max Units Syste...

Страница 5: ...eq 400Hz Ch 1 PWMfreq 600Hz Ch 2 PWMfreq 600Hz Ch 1 PWMfreq 1000Hz Ch 2 PWMfreq 1000Hz www ti com Performance Data and Typical Characteristic Curves 5 SLUUBM0 May 2017 Submit Documentation Feedback Co...

Страница 6: ...exas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module 3 1 Startup Waveforms 3 1 1 Startup After SPI Enable Command Figure 5 SPI Setting Output Enable Bit and Subsequent Swit...

Страница 7: ...exas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module 3 2 Shutdown Waveforms 3 2 1 Shutdown After SPI Disable Figure 7 SPI Clearing Output Enable Bit and Subsequent Switchin...

Страница 8: ...ing 1 LED for a VLED of 3 0062 V with a peak threshold 45 to get approximately a 225 mA LED current showing max and mean inductor currents on channels 1 and 2 Figure 9 Current Sharing 3 4 Diode and Bo...

Страница 9: ...Locating the shunt FET on or near the LED load board also helps to reduce VLED overshoot Adding an appropriately rated diode from the LED line that conducts back to the positive VIN input will clamp v...

Страница 10: ...onal Circuitry Required for Shunt FET Dimming 3 4 4 Undervoltage Lockout Description The TPS92518 can be set up with undervoltage lockout protection with the ability to change the turn on threshold an...

Страница 11: ...7 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module 4 Schematic PCB Layout and Bill of Materials This section contains TPS92518EVM 878 schematics PCB layouts and bill o...

Страница 12: ...y 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module 4 2 Layout Figure 14 and Figure 15 illustrate the top and bottom s...

Страница 13: ...c PCB Layout and Bill of Materials 13 SLUUBM0 May 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module Figure 15 TPS92518...

Страница 14: ...2 54mm 2x1 TH 22 23 2021 Molex J4 1 Header 100mil 5x1 Gold TH 5x1 Header TSW 105 07 G S Samtec J6 J7 J12 J13 J14 5 Header 100mil 2x1 Gold TH 2x1 Header TSW 102 07 G S Samtec J8 1 Header 100mil 3x2 Gol...

Страница 15: ...one1502 2 1502 2 Keystone U1 1 65V Automotive Dual Buck LED Controller with SPI Interface PWP0024J TSSOP 24 PWP0024J TPS92518QPWPRQ1 Texas Instruments C1 C16 C21 C25 C26 0 0 1uF CAP CERM 0 1 F 16 V 10...

Страница 16: ...tware 5 1 TPS92518 Demonstration Kit Software Installation Double click on TPS92518 Demonstration Kit Installer exe and click yes when Windows Account Control asks to allow the program to make changes...

Страница 17: ...Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module Figure 18 Setup Screen 3 Click the Next button Figure 19 Setup Screen 4 Wait fo...

Страница 18: ...ated TPS92518EVM Dual Buck Controller Evaluation Module Figure 20 Setup Screen 5 Check the box stating you accept the license terms and click the Install button Figure 21 Setup Screen 6 It may be nece...

Страница 19: ...May 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module Figure 22 Setup Screen 7 Figure 23 Setup Screen 8 Wait for NET...

Страница 20: ...M Dual Buck Controller Evaluation Module Figure 24 Setup Screen 9 Click the Finish button Figure 25 Setup Screen 10 Restart your computer by clicking on the Restart Now button Figure 26 Setup Screen 1...

Страница 21: ...ntered and adjusted Component and register values will be calculated This calculator can be used to aid in any TPS92518 design and is not just for use with the EVM For each slider adjustment an estima...

Страница 22: ...ted PWM signals to drive the TPS92518 It is set up correctly as packaged but make sure that jumpers J6 J7 J8 and J9 are all shorted These provide the power for the SPI pullup hardware the PWM signals...

Страница 23: ...roller Board for SPI Communications with the TPS92518 23 SLUUBM0 May 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module...

Страница 24: ...d for SPI Communications with the TPS92518 www ti com 24 SLUUBM0 May 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module...

Страница 25: ...roller Board for SPI Communications with the TPS92518 25 SLUUBM0 May 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS92518EVM Dual Buck Controller Evaluation Module...

Страница 26: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 27: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Страница 28: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Страница 29: ...OST OF 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...

Страница 30: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

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