Texas Instruments TPS65912xEVM-081 How To Use Manual Download Page 18 | Manualshive

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Layout Considerations

5.3.5

DCDC Output Voltage Feedback and Remote Sensing

Figure 14. Example for Items 5 and 6: DCDC Feedback and Remote Sensing

18

TPS65912xEVM-081

SLVU750A – July 2012 – Revised May 2013

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Copyright © 2012–2013, Texas Instruments Incorporated

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Summary of Contents for TPS65912xEVM-081

Page 1: ...Conventions EVM Evaluation Module PMU Power Management Unit IC Integrated Circuit PMIC Power Management Integrated Circuit BOM Bill of Materials PCB Printed circuit board GUI Graphical User Interface...

Page 2: ...io frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection agains...

Page 3: ...1 allows evaluation of the IC and serves a reference design 1 1 Introduction to Using the TPS65912xEVM 081 Make a copy of this user s guide available to the operator of this EVM 3 SLVU750A July 2012 R...

Page 4: ...4 2 2uF C15 2 2uF C16 2 2uF C17 2 2uF C18 2 2uF C19 2 2uF C20 2 2uF C21 2 2uF C22 2 2uF C23 2 2uF C24 4 7uF C25 4 7uF C26 4 7uF C27 4 7uF D1 LTST C190YKT D2 LTST C190GKT D3 LTST C190CKT C28 220nF C29...

Page 5: ...uF R36 R37 0 R38 R39 R40 R41 0 R42 R43 0 R44 R45 0 1 2 J13 C40 2 2uF R46 R47 0 1 2 J14 C41 2 2uF R48 R49 0 1 2 J15 C42 2 2uF R50 R51 0 1 2 J16 C43 2 2uF 1 2 J17 C44 2 2uF 1 2 J18 C45 2 2uF 1 2 J19 C46...

Page 6: ...he EVM board layout is detailed in the following images Figure 3 TPS65912xEVM 081 Layout Top 6 TPS65912xEVM 081 SLVU750A July 2012 Revised May 2013 Submit Documentation Feedback Copyright 2012 2013 Te...

Page 7: ...www ti com Layout Figure 4 TPS65912xEVM 081 Layout Layer 2 7 SLVU750A July 2012 Revised May 2013 TPS65912xEVM 081 Submit Documentation Feedback Copyright 2012 2013 Texas Instruments Incorporated...

Page 8: ...Layout www ti com Figure 5 TPS65912xEVM 081 Layout Layer 3 8 TPS65912xEVM 081 SLVU750A July 2012 Revised May 2013 Submit Documentation Feedback Copyright 2012 2013 Texas Instruments Incorporated...

Page 9: ...www ti com Layout Figure 6 TPS65912xEVM 081 Layout Layer 4 9 SLVU750A July 2012 Revised May 2013 TPS65912xEVM 081 Submit Documentation Feedback Copyright 2012 2013 Texas Instruments Incorporated...

Page 10: ...Layout www ti com Figure 7 TPS65912xEVM 081 Layout Layer 5 10 TPS65912xEVM 081 SLVU750A July 2012 Revised May 2013 Submit Documentation Feedback Copyright 2012 2013 Texas Instruments Incorporated...

Page 11: ...www ti com Layout Figure 8 TPS65912xEVM 081 Layout Bottom 11 SLVU750A July 2012 Revised May 2013 TPS65912xEVM 081 Submit Documentation Feedback Copyright 2012 2013 Texas Instruments Incorporated...

Page 12: ...tween pin2 and pin3 JP10 Between pin2 and pin3 JP11 Between pin1 and pin2 4 3 Power Supply Connections Set the 5 V power supply to the off state and connect it to the VBAT input header J9 positive lea...

Page 13: ...DCDC2 and DCDC3 The GND terminal of the output capacitor requires a low impedance connection to the respective PGND pin as in case where the internal low side switch is closed the current flows in th...

Page 14: ...ltage feedback pins for DCDC1 to The pins are high impedance MR and sensible to noise from VDCDC2 DCDC4 the switch node The trace should not be routed in parallel to DCDC3 VDCDC the L traces and shoul...

Page 15: ...ata sheet of TPS65912 shows its pinout as bottom view 5 3 1 Connection to Power GND Figure 9 Example for Item1 GND Connections for Elements in DCDC1 Figure 10 Example for Item 1 GND Plane 15 SLVU750A...

Page 16: ...11 Example for Item 2 GND Connections for Elements in DCDC1 5 3 3 Analog Supply Figure 12 Example for Item 3 Analog Supply 16 TPS65912xEVM 081 SLVU750A July 2012 Revised May 2013 Submit Documentation...

Page 17: ...iderations 5 3 4 Inductor Figure 13 Example for Item 4 Inductor Location and Routing 17 SLVU750A July 2012 Revised May 2013 TPS65912xEVM 081 Submit Documentation Feedback Copyright 2012 2013 Texas Ins...

Page 18: ...tput Voltage Feedback and Remote Sensing Figure 14 Example for Items 5 and 6 DCDC Feedback and Remote Sensing 18 TPS65912xEVM 081 SLVU750A July 2012 Revised May 2013 Submit Documentation Feedback Copy...

Page 19: ...ple for Item 7 Vcc Analog Supply Voltage 5 3 7 Analog Digital and Power GND Connections Figure 16 Example for Item 8 Connection of PGND to GND 19 SLVU750A July 2012 Revised May 2013 TPS65912xEVM 081 S...

Page 20: ...ions www ti com Figure 17 Example for Item 8 Connection of AGND and DGND to GND 20 TPS65912xEVM 081 SLVU750A July 2012 Revised May 2013 Submit Documentation Feedback Copyright 2012 2013 Texas Instrume...

Page 21: ...Module User s Guide SLLU093 for detailed operating instructions of the USB TO GPIO interface Connect the 10 pin ribbon cable to J60 of the EVM Connect the USB cable of the USB TO GPIO to the PC An ov...

Page 22: ...5 pin 100 mil spacing 4 wall 0 338 0 788 in N2510 6002RB 3M 1 1 J39 30306 6002HB Connector male right angle 2 3 pin 100 mil spacing 0 100 in 2X3 30306 6002HB 3M shrouded 1 1 J40 PEC07SAAN Header male...

Page 23: ...SOR POWER BGA TPS659122YFF TI 0 0 U2 Open IC REAL TIME CLOCK WITH I2C SERIAL INTERFACE SO IDT1337DCGI IDT 0 0 Y1 Open Oscillator SMT xxMHz 3ppm per year 3 2 5 mm CXO 7CxxMHz TXC 0 0 Y2 Open Clock osci...

Page 24: ...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...

Page 25: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS659122EVM 081 TPS659121EVM 081...

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