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Texas Instruments TPS2330 manual

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Table of contents for the manual

  • Page 1

                 April 2001 PMP PD & PS User ’ s G uide SL VU048[...]

  • Page 2

    IMPORT ANT NOTICE T exas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify , before placing orders, that information being relied on is current and complete. All product[...]

  • Page 3

    How to Use This Manual iii Read This First Preface  How to Use This Manual This document contains the following chapters: - Chapter 1 — Introduction - Chapter 2 — 48-V T elecom Hot Swap - Chapter 3 — Schematics of the EVM and the Interface Card - Chapter 4 — Layouts of the EVM and the Interface C[...]

  • Page 4

    iv[...]

  • Page 5

    Running Title — Attribute Reference v Contents  1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 48-V T elecom Hot-Swap EVM 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 6

    Running Title — Attribute Reference vi[...]

  • Page 7

    1-1 Introduction  Fast development of telecommunications and networks has accelerated growth of products with hot-plug capability to ensure that systems are always on. Many hot-swap or hot-plug devices are already available in the worldwide market. However , most such devices are for low-voltage applications, whe[...]

  • Page 8

    1-2 Introduction[...]

  • Page 9

    2-1 48-V T elecom Hot-Swap EVM      Wi th the rapid growth of internet and telecommunications in general, more and more electronic systems are required to run continuously . Therefore, redundant systems or modules may be required to prevent the crashing of systems. While redundant sy[...]

  • Page 10

    2-2 48-V T elecom Hot-Swap EVM[...]

  • Page 11

    3-1 Schematics of the EVM and the Interface Card         The evaluation kit includes two boards: one is the hot-swappable TPS2330EVM-184 48-V hot-swap EVM (SL VP184 board) where the TPS2330 controls voltage ramp-up and reduces inrush curre[...]

  • Page 12

    3-2 Schematics of the EVM and the Interface Card Because the interface card was originally designed for universal application purposes, some of the components shown in the schematic above may not be on the board when shipped with this EVM kit. Refer to the bill of materials table for a complete component list. A key is installed in the edge connect[...]

  • Page 13

    3-3 Schematics of the EVM and the Interface Card Th e bills of materials (BOM) for both boards are shown in T ables 3 – 1 and 3 – 2, respectively . T able 3 – 1. Components on the Interface Card (SL VP155), Bill of Materials Ref Des Qty Part Number Description Mfg Size C1, C2, C3 Not used C4, C6 Not used C5 1 12061C104KA T2A Capacitor , ceram[...]

  • Page 14

    3-4 Schematics of the EVM and the Interface Card C 4 and C8 on SL VP184 adjust the output turnon ramp-up rate and propagation delay time. Reducing the capacitance of C8 will increase the output ramp-up speed, and decreasing the value of C4 will reduce the output turnon delay time and increase the output ramp-up rate.[...]

  • Page 15

    4-1 Layouts of the EVM and the Interface Card         The following figures illustrate the placements of the components and the top-layer layouts for both the 48-V hot-swap EVM and the interface card respectively . All the components are placed on [...]

  • Page 16

    4-2 Layouts of the EVM and the Interface Card Figure 4 – 1. T op Layer of the Interface Card and Placement of the Components T op Layer T op Assembly[...]

  • Page 17

    4-3 Layouts of the EVM and the Interface Card Figure 4 – 2. T op Layer of the 48-V Hot-Swap EVM and Placement of Components T op Layer T op Assembly[...]

  • Page 18

    4-4 Layouts of the EVM and the Interface Card[...]

  • Page 19

    5-1 Setup of the EVM     Fo r proper operation of the EVM, one 48-V power supply , and a voltage meter or an oscilloscope are required. Refer to the setup diagram in Figure 5 – 1 and follow these steps for hot plug testing: 1) V erify that the power-supply voltage is set at 48 V . Make sure the supply has th[...]

  • Page 20

    5-2 Setup of the EVM Figure 5 – 1. Evaluation Setup of the Hot-Swap Board EVM + – Power Supply 48–V , 1–A Supply Plug SL VP184 board into edge connector . Note key and slot loctions.[...]

  • Page 21

    6-1 T est Points    T wo test points are available on the interface card (SL VP155): TP1 – VIN1 (input voltage) TP5 – GND (ground) On the 481-V hot-swap EVM, there are total 7 test points: TP1 – Gate of the IRF530N MOSFET TP2 – Input (VIN) of TPS2330 TP3 – VIN+ (EVM positive input rail, same as V out+) TP4 ?[...]

  • Page 22

    6-2 T est Points[...]