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Texas Instruments CSD87381PEVM-603, User Manual, Page: 9 / 19

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Texas Instruments CSD87381PEVM-603 User Manual Download Page 9

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EVM Assembly Drawing and PCB Layout

Figure 9. CSD87381PEVM-603 Top Copper (Top View)

Figure 10. CSD87381PEVM-603 Internal Layer 1 (Top View)

9

SLPU003A – February 2014 – Revised February 2014

High Power Density, Low Profile NexFET™ Power Block II for Notebook

Power Supply

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Copyright © 2014, Texas Instruments Incorporated

Summary of Contents for CSD87381PEVM-603

Page 1: ...Tip and Barrel Measurement for Vsw Waveform 4 3 CSD87381PEVM 603 Recommended Test Setup 5 4 Efficiency versus Output Current for CSD87381P With TPS51219 7 5 Switching Node Waveform VIN 12 V Iout 10 A...

Page 2: ...Table 1 CSD87381PEVM 603 Electrical Performance Specifications PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT CHARACTERISTICS VIN voltage 12 20 V Voltage range 5V voltage 4 5 5 5 5 V OUTPUT CHARACT...

Page 3: ...P 6 GND 7 PGND 8 V5 9 DL 10 DH 11 SW 12 BST 13 EN 14 MODE 15 PGOOD 16 PWPD 17 U100 GND 10K R104 TP108 10 F C109 0R R105 DNP R106 5VIN_100 VSNS_100 0 1 F C110 10000 pF C111 2 2 F C112 21K R107 DNP C113...

Page 4: ...asuring the switch node waveform place the negative probe tip on the GND pad of the input cap and positive tip on the CSD87381P Vsw top metal as shown in Figure 2 Figure 2 Tip and Barrel Measurement f...

Page 5: ...ior to connecting the DC source V5VIN TI recommends to limit the source current from V5VIN to 1 A maximum Ensure that V5VIN is initially set to 0 V and connected as shown in Figure 3 3 Connect a voltm...

Page 6: ...Decrease load to 0 A 9 Put a jumper to short J101 to disable the controller 10 Decrease V5VIN to 0 V 11 Decrease VIN to 0 V 5 2 List of Testpoints Table 2 Function of Each Testpoint Testpoints Name De...

Page 7: ...ance curves for CSD87381PEVM 603 1 Efficiency at VGS 5 0 V VO 1 35 V fSW 300 kHz LO 1 H TA 25 C Figure 4 Efficiency versus Output Current for CSD87381P With TPS51219 Figure 5 Switching Node Waveform F...

Page 8: ...was designed using a six layer 1 oz copper circuit board Figure 7 CSD87381PEVM 603 Top Layer Assembly Drawing Top View Figure 8 CSD87381PEVM 603 Bottom Assembly Drawing Bottom View 8 High Power Densit...

Page 9: ...op Copper Top View Figure 10 CSD87381PEVM 603 Internal Layer 1 Top View 9 SLPU003A February 2014 Revised February 2014 High Power Density Low Profile NexFET Power Block II for Notebook Power Supply Su...

Page 10: ...rnal Layer 2 Top View Figure 12 CSD87381PEVM 603 Internal Layer 3 Top View 10 High Power Density Low Profile NexFET Power Block II for Notebook SLPU003A February 2014 Revised February 2014 Power Suppl...

Page 11: ...ternal Layer 4 Top View Figure 14 CSD87381PEVM 603 Bottom Copper Top View 11 SLPU003A February 2014 Revised February 2014 High Power Density Low Profile NexFET Power Block II for Notebook Power Supply...

Page 12: ...8mm Technology 1 L100 1 0uH Inductor 1 0uH 20A 0 003 Ohms 0 400 x 0 453 inch PIMB103E cyntec 20 1R0MS 1 Q100 CSD87381P Pico LGA2 5X5 mm CSD87381P TI 2 R100 R104 10K RES 10 0K OHM 1 16W 1 0402 0402 RC0...

Page 13: ...Page Updated Figure 2 4 Updated Figure 7 8 Updated Figure 8 8 NOTE Page numbers for previous revisions may differ from page numbers in the current version 13 SLPU003A February 2014 Revised February 20...

Page 14: ...ing 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 reasonable time to repa...

Page 15: ...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 16: ...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 17: ...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 18: ...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 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments CSD87381PEVM 603...

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