Texas Instruments TPS65300-Q1 User Manual Download Page 1

User's Guide

SLVU685 – February 2012

TPS65300EVM

Contents

1

Introduction

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2

2

Setup

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2

2.1

Input/Output Connector Description

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2

2.2

Setup

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6

2.3

Operation

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6

3

Board Layout

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7

4

Schematic and Bill of Materials

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9

4.1

Schematic

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9

4.2

Bill of Materials

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10

List of Figures

1

EVM Board

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2

2

IGN Jumper Settings

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3

3

EN Jumper Settings

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3

4

3.3V PWR Jumper Settings

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4

5

1.2V PWR Jumper Settings

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4

6

Bridge Jumper Settings

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4

7

Top Assembly Layer

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7

8

Top Layer Routing

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8

9

Bottom Layer Routing

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8

10

TPS653000EVM Schematic

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9

List of Tables

1

Device and Package Configurations

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2

2

TPS65300EVM Bill of Materials

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10

PowerPAD is a trademark of Texas Instruments.

1

SLVU685 – February 2012

TPS65300EVM

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Copyright © 2012, Texas Instruments Incorporated

Summary of Contents for TPS65300-Q1

Page 1: ...2 IGN Jumper Settings 3 3 EN Jumper Settings 3 4 3 3V PWR Jumper Settings 4 5 1 2V PWR Jumper Settings 4 6 Bridge Jumper Settings 4 7 Top Assembly Layer 7 8 Top Layer Routing 8 9 Bottom Layer Routing...

Page 2: ...VM contains one DC DC converter see Table 1 Table 1 Device and Package Configurations Converter IC Package U1 TPS65300QPWPRQ1 PWP 24 2 Setup This section describes the jumpers and connectors on the EV...

Page 3: ...V output The terminal block provides a power 1 2V and ground GND connection Please observe the Power ratings of the external bipolar transistor If powered from VREG it allows approximately 120mA at ro...

Page 4: ...s it to VREG 5 3V output of the Buck regulator If uninstalled the transistor in not powered Note at light loads the base current may be sufficient to supply the output but adding a load causes VOUT to...

Page 5: ...source of internal switching FET nRST Reset output for Switcher asserted high after VREG 3 3V and 1 2V regulator outputs are regulating and delay timer has expired 3 3V 3 3V Linear regulator output 3...

Page 6: ...ve a low EN open will power down the regulators if IGN goes low The supply for the 1 2V rail is sourced from VREG in the above configuration BRIDGE allows to power the external transistor of this rail...

Page 7: ...package offers an exposed thermal pad to enhance thermal performance This must be soldered to the copper landing on the PCB for optimal performance The PCB provides a GND plane on the bottom side to d...

Page 8: ...Board Layout www ti com Figure 8 Top Layer Routing Figure 9 Bottom Layer Routing 8 TPS65300EVM SLVU685 February 2012 Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated...

Page 9: ...2 J5 DELAY 1nF C8 2 2uF C11 470pF C12 0 01uF C5 0 033uF C6 2 2uF C13 2 2uF C10 0 1uF C3 NC 7 VIN 4 PH 1 nRST 23 COMP 14 1 2VDRIVE 17 SS 20 RT CLK 8 EN 9 5V 10 IGN_EN 5 VIN_D 2 BOOT 3 NC 13 PGND 24 1 2...

Page 10: ...nductor SMT 10 uH 12 3mm x Coilcraft MSS1278T 103 12 3mm 26 1 2V 3 3V 1 2VDRIVE Test point 52 mil 0 052 Kobiconn 151 103 RC 3 3VDRIVE 5V BOOT_LDO DELAY EN GND 7 IGN IGN_EN IGN_ST nRST PH SS VBAT VIN V...

Page 11: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Page 12: ...ential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful commu...

Page 13: ...oduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulation...

Page 14: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Page 15: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Page 16: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Page 17: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Page 18: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Page 19: ...egulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided...

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