• Menu
  • Product
  • Email
  • PDF
  • Order now

  • TPS53355 具有 Eco-mode™ 的 1.5V 至 15V 输入（4.5V 至 25V 偏置）、30A 同步降压 SWIFT™ 转换器

    • ZHCS181G August   2011  – April 2021 TPS53355

      PRODUCTION DATA  

  • CONTENTS
  • SEARCH
  • TPS53355 具有 Eco-mode™ 的 1.5V 至 15V 输入（4.5V 至 25V 偏置）、30A 同步降压 SWIFT™ 转换器
  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings (1)
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Infomation
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 5-V LDO and VREG Start-Up
      2. 7.3.2 Adaptive On-Time D-CAP Control and Frequency Selection
      3. 7.3.3 Ramp Signal
      4. 7.3.4 Adaptive Zero Crossing
      5. 7.3.5 Power-Good
      6. 7.3.6 Current Sense, Overcurrent and Short Circuit Protection
      7. 7.3.7 Overvoltage and Undervoltage Protection
      8. 7.3.8 UVLO Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable, Soft Start, and Mode Selection
      2. 7.4.2 Auto-Skip Eco-mode™ Light Load Operation
      3. 7.4.3 Forced Continuous Conduction Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Small Signal Model
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application Circuit Diagram with Ceramic Output Capacitors
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 External Component Selection
          3. 8.2.1.2.3 External Component Selection Using All Ceramic Output Capacitors
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Typical Application Circuit
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 External Component Selection
        3. 8.2.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方产品免责声明
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information
  13. 重要声明
search No matches found.
  • Full reading width
    • Full reading width
    • Comfortable reading width
    • Expanded reading width
  • Card for each section
  • Card with all content

 

DATA SHEET

TPS53355 具有 Eco-mode™ 的 1.5V 至 15V 输入（4.5V 至 25V 偏置）、30A 同步降压 SWIFT™ 转换器

本资源的原文使用英文撰写。 为方便起见，TI 提供了译文；由于翻译过程中可能使用了自动化工具，TI 不保证译文的准确性。 为确认准确性，请务必访问 ti.com 参考最新的英文版本（控制文档）。

1 特性

  • 推出备选产品：LMZ31530 采用 15 × 16 × 5.8mm QFN 封装的 14.5V、30A 降压电源模块
  • 最大效率 96%
  • 转换输入电压范围：1.5V 至 15V
  • VDD 输入电压范围：4.5V 至 25V
  • 输出电压范围：0.6V 至 5.5V
  • 5V LDO 输出
  • 支持单轨输入
  • 具有 30A 连续输出电流的集成功率 MOSFET
  • 用于在轻负载时实现高效率的自动跳跃 Eco-mode™
  • 关断电流 < 10μA
  • 具有快速瞬态响应的 D-CAP™ 模式
  • 可借助外部电阻器在 250kHz 至 1MHz 之间选择开关频率
  • 可选自动跳跃或仅 PWM 工作模式
  • 内置 1% 0.6V 基准电压
  • 0.7ms、1.4ms、2.8ms 和 5.6ms 可选内部电压伺服器软启动
  • 集成升压开关
  • 预充电启动能力
  • 具有热补偿的可调过流限制
  • 过压、欠压、UVLO 和过热保护
  • 支持全陶瓷输出电容器
  • 漏极开路电源正常指示
  • 整合 NexFET™ 电源块技术
  • 采用 PowerPAD™ 的 22 引脚 QFN 封装
  • 对于 SWIFT™ 电源产品文档，请参阅 http://www.ti.com/swift
  • 可选“绿色环保”（符合 RoHS 标准）
  • 使用 TPS53355 并借助 WEBENCH® Power Designer 创建定制设计方案

2 应用

  • 企业服务器和存储
  • 有线网络交换机和路由器
  • ASIC、SoC、FPGA、DSP 内核和 I/O 电压

3 说明

TPS53355 是一款具有集成 MOSFET 的 D-CAP™ 模式、30A 同步转换器。它的设计目标是简单易用、减少外部元件，以及适用于空间受限的电源系统。

该器件具有 5mΩ/2mΩ 集成 MOSFET、1% 精度、0.6V 基准电压和集成的升压开关。具有竞争力的特性示例包括：1.5V 至 15V 宽转换输入电压范围、超低的外部元件数、针对超快瞬变的 D-CAP™ 模式控制、自动跳跃模式运行、内部软启动控制、可选频率并且无需补偿。

转换输入电压范围为 1.5V 至 15V，电源电压范围为 4.5V 至 25V，输出电压范围为 0.6V 至 5.5V。

该器件采用 22 引脚 6mm × 5mm QFN 封装。

LMZ31530 将 TPS53355 电感器和其他无源器件集成在一个易于使用的小型模块中。

器件信息(1)
器件型号 封装 封装尺寸（标称值）
TPS53355 LSON-CLIP (22) 6.00mm × 5.00mm
(1) 如需了解所有可用封装，请参阅数据表末尾的可订购产品附录。
GUID-90F431D2-ACA8-4EBD-91A6-65134C4B7802-low.gif典型应用

4 Revision History

Changes from Revision F (June 2019) to Revision G (April 2021)

  • 向Section 1添加了 LMZ31530 信息，作为 TPS53355 的模块版本Go
  • 更新了整个文档中的表格、图和交叉参考的编号格式Go
  • 更新了Section 2 Go
  • 向Section 3添加了 LMZ31530 信息，作为 TPS53355 的模块版本Go
  • Added BST Resistor Selection to Section 8.2.1.2.2 Go
  • Added Equation 14 and supporting informationGo
  • MODE and RF pins updated in Figure 10-1 Go

Changes from Revision E (March 2019) to Revision F (June 2019)

  • 从“说明”中删除了 –40°C 至 +85°C 温度范围Go
  • Removed -40°C to +85°C temperature range from Absolute Maximum RatingsGo

Changes from Revision D (November 2016) to Revision E (March 2019)

  • 添加了 WEBENCH 链接Go
  • Deleted "Operating free-air temperature, TA" row Go

Changes from Revision C (February 2016) to Revision D (November 2016)

  • 添加了特性：可选“绿色环保”（符合 RoHS 标准）Go
  • Added the VQP package to the Section 6.4 Go
  • From: a SC5026-1R0 inductor is used. To: a 744355182 inductor is used.Go
  • Changed Figure 6-32 and Figure 6-33 Go
  • Section 7.3.1 , Changed the NOTE From: "The 5-V LDO is not controlled" To: "The 5-V LDO is controlled"Go
  • Changed 250 µs To ~550 µs in Figure 7-1 Go

Changes from Revision B (January 2014) to Revision C (February 2016)

  • 将数据表标题从“TPS53355 具有 Eco-mode™ 的高效 30A 同步降压转换器”更改为“TPS53355 具有 Eco-mode™ 的 30A 高效同步降压 SWIFT™ 转换器”Go
  • 添加了 Section 1 ：“对于 SWIFT™ 电源产品文档，...”Go

Changes from Revision A (September 2012) to Revision B (January 2014)

  • 添加了引脚配置和功能 部分、ESD 等级 表、特性说明 部分、器件功能模式、应用和实施 部分、电源相关建议 部分、布局 部分、器件和文档支持 部分以及机械、封装和可订购信息 部分Go

Changes from Revision * (August 2011) to Revision A (September 2012)

  • 将转换输入电压从“3V”更改为“1.5V”Go
  • Changed VIN input voltage range minimum from "3 V" to "1.5 V"Go
  • Changed typographical error in THERMAL INFORMATION tableGo
  • Changed VIN (main supply) input voltage range minimum from "3 V' to "1.5 V" in Section 6.3 Go
  • Changed VIN pin power conversion input minimum voltage from "3 V" to "1.5 V" in ELECTRICAL CHARACTERISTICS tableGo
  • Changed conversion input voltage range from "3 V" to "1.5" in Section 7.1 Go
  • Added note to the Section 7.2 Go
  • Changed "ripple injection capacitor" to "ripple injection resistor" in Section 10.1 sectionGo

5 Pin Configuration and Functions

GUID-E2938A36-A1C5-4B12-86BF-AA636F414F07-low.gif
N/C = no connection
Figure 5-1 Package With PowerPad22-Pins (LSON-CLIP)Top View
Table 5-1 Pin Functions
PIN I/O/P(1) DESCRIPTION
NAME NO
EN 2 I Enable pin. Typical turn-on threshold voltage is 1.2 V. Typical turn-off threshold is 0.95 V.
GND — — Ground and thermal pad of the device. Use proper number of vias to connect to ground plane.
LL 6 B Output of converted power. Connect this pin to the output Inductor.
7
8
9
10
11
MODE 20 I Soft-start and Skip/CCM selection. Connect a resistor to select soft-start time using Table 7-3. The soft-start time is detected and stored into internal register during start-up.
N/C 5 No connect.
PGOOD 3 O Open drain power good flag. Provides 1-ms start-up delay after VFB falls in specified limits. When VFB goes out of the specified limits PGOOD goes low after a 2-µs delay.
RF 22 I Switching frequency selection. Connect a resistor to GND or VREG to select switching frequency using Table 7-1. The switching frequency is detected and stored during the startup.
TRIP 21 I OCL detection threshold setting pin. ITRIP = 10 µA at room temperature, 4700 ppm/°C current is sourced and set the OCL trip voltage as follows:
VOCL = VTRIP/32 (VTRIP ≤ 2.4 V, VOCL ≤ 75 mV)
VBST 4 P Supply input for high-side FET gate driver (boost terminal). Connect capacitor from this pin to LL node. Internally connected to VREG via bootstrap MOSFET switch.
VDD 19 P Controller power supply input. VDD input voltage range is from 4.5 V to 25 V.
VFB 1 I Output feedback input. Connect this pin to Vout through a resistor divider.
VIN 12 P Conversion power input. VIN input voltage range is from 1.5 V to 15 V.
13
14
15
16
17
VREG 18 P 5-V low drop out (LDO) output. Supplies the internal analog circuitry and driver circuitry.
(1) I=Input, O=Output, B=Bidirectional, P=Supply

6 Specifications

6.1 Absolute Maximum Ratings(1)

MINMAXUNIT
Input voltageVIN (main supply)–0.325V
VDD–0.328
VBST–0.332
VBST (with respect to LL)–0.37
EN, TRIP, VFB, RF, MODE–0.37
Output voltageLLDC–225V
Pulse < 20 ns, E = 5 μJ–727
PGOOD, VREG–0.37
GND–0.30.3
Source/sink currentVBST50mA
Junction temperature, TJ–40150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds300°C
Storage temperature, Tstg–55150°C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under Section 6.3 is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

6.2 ESD Ratings

VALUEUNIT
V(ESD)Electrostatic dischargeHuman-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)±2000V
Charged-device model (CDM), per JEDEC specification JESD22-C101(2)±500
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

 
Texas Instruments

© Copyright 1995-2025 Texas Instruments Incorporated. All rights reserved.
Submit documentation feedback | IMPORTANT NOTICE | Trademarks | Privacy policy | Cookie policy | Terms of use | Terms of sale