Texas Instruments BOOSTXL-TPS65218 Скачать руководство пользователя страница 22 | Manualshive

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Texas Instruments BOOSTXL-TPS65218 Скачать руководство пользователя страница 22

Re-Programming the EEPROM of the TPS65218D0 Device

22

SLVUBH5 – October 2018

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Copyright © 2018, Texas Instruments Incorporated

Software Instructions

0x00, and all of the registers programmed into the EEPROM retain the new values.

shows

all of the registers that have been re-programmed in this example, as well as the volatile bits that have
changed after power cycling the TPS65218D0 device.

Figure 24. Registers 0x05-0x26 After Successful Re-Programming, EEPROM Changed (EE Bit = 1b) in

Status Register

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Содержание BOOSTXL-TPS65218

Страница 1: ...x B EVM Documentation 24 List of Figures 1 BOOSTXL TPS65218 Printed Circuit Board Top View 3 2 BOOSTXL TPS65218 and MSP430F5529 LaunchPad Connected 4 3 BOOSTXL TPS65218 BoosterPack and MSP430F5529 Lau...

Страница 2: ...e is the only power input to the LaunchPad The TPS65218D0 device consists of three step down converters DCDC1 DCDC2 DCDC3 one buck boost converter DCDC4 two low quiescent current step down converters...

Страница 3: ...An internet connection Specific instructions on how to program the TPS65218D0 using the BOOSTXL TPS65218 with the IPG UI software are provided in Appendix A while the EVM documentation related to the...

Страница 4: ...updated before it can communicate with the TPS65218D0 Figure 2 shows the BOOSTXL TP65218 connected on top of the MSP430F5529 LaunchPad with a micro USB cable inserted in the LaunchPad Figure 2 BOOSTX...

Страница 5: ...2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated BOOSTXL TPS65218 EVM User s Guide Figure 3 BOOSTXL TPS65218 BoosterPack and MSP430F5529 LaunchPad Block Diagram 2 1 Co...

Страница 6: ...WR_EN and AC_DET Table 1 Electrical Connections of Headers BOOSTXL TPS65218 Connecting Headers MSP430F5529 LaunchPad Device Pin Net Name Pin Number Header Number Pin Number Header Pin Info Net and or...

Страница 7: ...for 5V from LaunchPad to power DCDC4 2 IN_DCDC4 J4 1 3V3 Installed Required for 3V3 from LaunchPad to power CC 2 CC J5 1 5V Installed Required for 5V from LaunchPad to power DCDC3 2 IN_DCDC3 3 5V Inst...

Страница 8: ...pment to the USB2ANY_2 7 0 0_LP txt file before putting the BOOSTXL TPS650861 on the LaunchPad development kit 1 Press the S5 button while connecting the Micro USB cable 2 Run the Firmware Upgrade Exa...

Страница 9: ...ed BOOSTXL TPS65218 EVM User s Guide Figure 4 BOOSTXL TPS65218 with Socket Open In order for all of the DCDCx converters LDO1 regulator LSx load switches CC pin and IN_BU pin of the TPS65218D0 to rece...

Страница 10: ...nstructions explain how to run setup and operate the IPG UI software on a computer and connect it to the BOOSTXL TPS65218 Install a shunt on header J20 shorting pin 1 USB_3P3V and pin 2 MSP_3P3V Run t...

Страница 11: ...t Devices menu When a project is saved it is available in the Open Recent Projects menu The TPS65218 Introduction tab is now displayed as shown in Figure 8 Click the Get Started button or the Register...

Страница 12: ...B2ANY but cannot communicate with the TPS65218D0 device The primary cause of this issue may be that the power switch for the BOOSTXL TPS65218 is in the OFF position the socket does not have a sample i...

Страница 13: ...Password feature is Enabled as shown in Figure 11 Figure 11 Auto Password Write Enabled Navigate back to the Register Map tab click on the row for the DCDC1 register 0x16 and read the value of this r...

Страница 14: ...r 0x16 again and this time move the slider on the right hand side of the window to change the output voltage of DCDC1 to a new value Write the new value of this register by clicking the button labeled...

Страница 15: ...es have been correctly programmed into the non volatile EEPROM memory of the device The most commonly programmed values DC DC converter output voltage and sequencing order will be modified in this exa...

Страница 16: ...018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated Software Instructions Figure 15 EEPROM Backed Registers of the TPS65218D0 For this example the TPS65218D0 will be re pro...

Страница 17: ...ed for each rail numbered 1 3 Figure 16 TPS65218D0 Re Programming Example Block Diagram When using a new TPS65218D0 sample IC the EEPROM values will match a bank of one time programmable OTP values al...

Страница 18: ...verters Figure 18 Modifying CONFIG1 and CONFIG2 Register Values The voltage setpoint of DCDC1 has already been modified so only the remaining DC DC converters and LDO1 regulator voltages need to be mo...

Страница 19: ...M and is desirable in the end application but it will prevent successful re programming with new output voltage settings If this issue is observed while modifying registers prior to re programming the...

Страница 20: ...the EEPROM of the TPS65218D0 device and make these changes permanent a special sequence of three 3 bytes must be written to the PASSWORD register 0x10 without any other I2C commands in between the thr...

Страница 21: ...register 0x05 is set to 1b and the PASSWORD register 0x10 has retained the last byte 0xCE of the special programming sequence Figure 23 Interrupt for Successful Programming in INT1 NOTE If the voltag...

Страница 22: ...Instructions 0x00 and all of the registers programmed into the EEPROM retain the new values Figure 24 shows all of the registers that have been re programmed in this example as well as the volatile b...

Страница 23: ...EW register 0x1A has reset to 0b because the GODSBL bit is not backed by EEPROM None of the EEPROM backed bits highlighted in red that were changed in the example re programming have been highlighted...

Страница 24: ...xas Instruments Incorporated EVM Documentation Appendix B SLVUBH5 October 2018 EVM Documentation B 1 Layout Figure 25 through Figure 32 show the board layout for the BOOSTXL TPS65218 Figure 25 Compone...

Страница 25: ...www ti com Layout 25 SLVUBH5 October 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated EVM Documentation Figure 27 Layout Top Composite Figure 28 Layout Bottom Composite...

Страница 26: ...Layout www ti com 26 SLVUBH5 October 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated EVM Documentation Figure 29 Top Layer Figure 30 Inner Layer 1 GND Plane...

Страница 27: ...www ti com Layout 27 SLVUBH5 October 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated EVM Documentation Figure 31 Inner Layer 2 Signal Figure 32 Bottom Layer Top View...

Страница 28: ...3 0 R19 DNP 0 R20 DNP 0 R24 DNP 0 R21 DNP 0 R22 DNP GPIO1 is open drain output Hi Z by default GPIO3 is input for DCDC1 2 warm reset by default GPO2 is push pull output low by default driven to IN_LS1...

Страница 29: ...N_LS2 IN_LS3 4 7uF C24 4 7uF C30 Outputs LS1 LS2 LS3 LDO1 GND GND PGOOD IN_nCC PGOOD_BU nPFO 3V3 3V3 nINT 3V3 nWAKEUP 3V3 GPIO1 GPO2 GPIO3 TP6 TP5 TP8 TP9 TP11 TP10 TP14 TP16 TP15 TP17 TP20 TP19 TP18...

Страница 30: ...39 16V 10uF C3 16V 10uF C38 1 5A 4 7uH L3 1 8V Buck DCDC6 L6 GND FB6 TP25 DC6 10uH 0 3A L6 DCDC6_OUT 16V 10uF C6 16V 10uF C9 1V Buck DCDC5 L5 GND FB5 TP21 DC5 10uH 0 3A L5 DCDC5_OUT 16V 10uF C5 16V 10...

Страница 31: ...F CAP CERM 0 1 uF 10 V 10 X5R 0402 0402 GRM155R61A10 4KA01D MuRata C13 C14 2 10uF CAP CERM 10 uF 10 V 20 X5R 0402 0402 CL05A106MP5N UNC Samsung Electro Mechanics C20 C21 C23 3 10uF CAP CERM 10 uF 10 V...

Страница 32: ...NED Vishay Dale R4 R11 R12 3 680 RES 680 5 0 1 W 0603 0603 RC0603JR 07680RL Yageo R5 1 22k RES 22 k 5 0 1 W 0603 0603 RC0603JR 0722KL Yageo R7 R8 2 4 7k RES 4 7 k 5 0 1 W 0603 0603 RC0603JR 074K7L Yag...

Страница 33: ...TPS22915CYFP R Texas Instruments XU1 1 Socket QFN 48 0 4 mm Pitch Socket QFN 48 0 4 mm Pitch QFN 48 52 BT 0 4 01 Enplas Tech Solutions C17 0 0 1uF CAP CERM 0 1 uF 10 V 10 X5R 0402 0402 C1005X5R1A10 4...

Страница 34: ...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 35: ...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 36: ...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 37: ...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 38: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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