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SLVUBK9A – July 2019 – Revised October 2019

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TPS6381xEVM

Figure 4. TPS6381xEVM PCB - Signal Layer 1 (Top View)

Figure 5. TPS6381xEVM PCB - Signal Layer 2 (Top View)

Summary of Contents for TPS6381 EVM Series

Page 1: ...converter family The EVM has the output voltage set to 3 3 V or 3 45 V depending on jumper setting The output voltage can be programmed via I2 C interface between 1 8 V and 5 2 V The EVM operates with...

Page 2: ...81xEVM PCB Signal Layer 2 Top View 6 6 TPS6381xEVM PCB Bottom Layer Top View 7 7 TPS6381xEVM Schematic 8 8 Quick Connection Overview 10 9 GUI Home Screen 11 10 GUI Settings Screen 11 11 GUI Register M...

Page 3: ...ary of the TPS6381xEVM performance specifications All specifications are given for ambient temperature of 25 C Table 1 Performance Specification Summary SPECIFICATION TEST CONDITIONS MIN TYP MAX UNIT...

Page 4: ...and VOUT1 pins sets the output voltage to the value in VOUT1 register Placing a jumper across VSEL and VOUT2 pins sets the output voltage to the value in VOUT2 register 2 1 11 JP2 ENABLE Placing a jum...

Page 5: ...rd Layout 5 SLVUBK9A July 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS6381xEVM Figure 2 TPS6381xEVM PCB Assembly Layer Figure 3 TPS6381xEVM...

Page 6: ...SLVUBK9A July 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS6381xEVM Figure 4 TPS6381xEVM PCB Signal Layer 1 Top View Figure 5 TPS6381xEVM PC...

Page 7: ...www ti com Board Layout 7 SLVUBK9A July 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS6381xEVM Figure 6 TPS6381xEVM PCB Bottom Layer Top View...

Page 8: ...19 Revised October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated TPS6381xEVM 4 Schematic and Bill of Materials This section provides the TPS6381xEVM schematic and bi...

Page 9: ...2 C6 C7 47 F CAP CERM 47 F 6 3 V 20 X5R 0603 0603 GRM188R60J476ME15D Murata 1 L1 470 nH Inductor Shielded Composite 470 nH 3 5 A 7 6 m 4x4x1 5 mm XFL4015 471MEC Coilcraft 1 R2 R5 1 00 M RES 1 00 M 1...

Page 10: ...Pin Ribbon Cable EVM Board USB Interface Adaptor Quick Connection Diagram Software User Interface www ti com 10 SLVUBK9A July 2019 Revised October 2019 Submit Documentation Feedback Copyright 2019 Tex...

Page 11: ...wer left corner of the GUI window The following sections give short overview of the three main GUI screens 5 3 1 Home Screen The Home screen gives a short overview of the TPS6381x devices To start eva...

Page 12: ...e Refer to Section 6 for a detailed description of the TPS6381x registers Figure 11 GUI Register Map Screen 6 Register Map Table 4 lists the memory mapped registers for the Device registers All regist...

Page 13: ...grammed to 0 6 RANGE R W 0b This bit selects the output voltage range 0b low range 1 8 V to 4 975 V 1b high range 2 025 V to 5 2 V 5 ENABLE R W X This bit enables and disables the converter In the TPS...

Page 14: ...ss than the UVLO threshold or a low logic level is applied to the EN pin Table 6 STATUS Register Field Descriptions Bit Field Type Reset Description 7 2 RESERVED R 000000b Reserved 1 TSD R 0b This bit...

Page 15: ...he device Table 7 DEVID Register Field Descriptions Bit Field Type Reset Description 7 4 MANUFACTURER R 0000b These bits identify the manufacturer 0000b Texas Instruments 3 2 MAJOR R 01b These bits id...

Page 16: ...pin is low This register is volatile so it loses its contents if the voltage on the VIN pin becomes less than the UVLO threshold or a low logic level is applied to the EN pin Table 8 VOUT1 Register Fi...

Page 17: ...in is high This register is volatile so it loses its contents if the voltage on the VIN pin becomes less than the UVLO threshold or a low logic level is applied to the EN pin Table 9 VOUT2 Register Fi...

Page 18: ...r from page numbers in the current version Changes from Original July 2019 to A Revision Page Replaced TPS63810 with TPS6381x 1 Added TPS63811 to the user s guide 1 Updated images through user s guide...

Page 19: ...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 reproduction and display of thes...

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