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TPS53513

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1.5-V to 18-V, 8-A synchronous SWIFT™ buck converter

Data sheet
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1.5-V to 18-V, 8-A synchronous SWIFT™ buck converter

TPS53513

ACTIVE
Data sheet Order now

Product details

Parameters

Vin (Min) (V) 1.5 Vin (Max) (V) 18 Vout (Min) (V) 0.6 Vout (Max) (V) 5.5 Iout (Max) (A) 8 Iq (Typ) (uA) 1350 Switching frequency (Min) (kHz) 250 Switching frequency (Max) (kHz) 1000 Features Enable, Light Load Efficiency, Output Discharge, Power Good, Pre-Bias Start-Up, Synchronous Rectification Operating temperature range (C) -40 to 85 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

VQFN-CLIP (RVE) 28 16 mm² 4.5 x 3.5 open-in-new Find other Buck converters (integrated switch)

Features

  • Integrated 13.8-mΩ and 5.9-mΩ MOSFETs With
    8-A Continuous Output Current
  • Supports All Ceramic Output Capacitors
  • Reference Voltage 600 mV ±0.5% Tolerance
  • Output Voltage Range: 0.6 V to 5.5 V
  • D-CAP3™ Control Mode With Fast Load-Step Response
  • Auto-Skipping Eco-mode™ for High Light-Load Efficiency
  • FCCM for Tight Output Ripple and Voltage Requirements
  • Eight Selectable Frequency Settings from
    250 kHz to 1 MHz
  • Precharged Start-up Capability
  • Built-in Output Discharge Circuit
  • Open-Drain Power-Good Output
  • 3.5 mm × 4.5 mm, 28-Pin, VQFN Package
  • Create a Custom Design Using the TPS53513 With the WEBENCH® Power Designer
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Description

The TPS53513 device is a small-sized, synchronous buck converter with an adaptive on-time D-CAP3 control mode. The device offers ease-of-use and low external-component count for space-conscious power systems.

This device features high-performance integrated MOSFETs, accurate 0.5% 0.6-V reference, and an integrated boost switch. Competitive features include very low external-component count, fast load-transient response, auto-skip mode operation, internal soft-start control, and no requirement for compensation.

A forced continuous conduction mode (FCCM) helps meet tight voltage regulation accuracy requirements for performance DSPs and FPGAs. The TPS53513 device is available in a 28-pin VQFN package and is specified from –40°C to +85°C ambient temperature.

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Technical documentation

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Type Title Date
* Data sheet TPS53513 1.5-V to 18-V (4.5-V to 25-V Bias) Input, 8-A Single Synchronous Step-Down SWIFT™ Converter datasheet (Rev. C) Jun. 04, 2018
Application note Point-of-Load Solutions for Data Center App Implementing VR13.HC Vccin Spec (Rev. A) Jan. 08, 2020
Technical article Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Selection guide SWIFT DC/DC Converters Selector Guide (Rev. G) Feb. 06, 2019
Application note Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev Jan. 25, 2017
Application note How to select input capacitors for a buck converter Apr. 26, 2016
Application note Accuracy-Enhanced Ramp-Generation Design for D-CAP3 Modulation (Rev. A) Apr. 25, 2016
Technical article Don’t say goodbye to your power supply Mar. 07, 2016
Application note SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC Feb. 22, 2016
Technical article Power Tips: Multiphase supplies can save space Feb. 02, 2016
Technical article Designing a 25G system: 5 tips to balance power, performance and price Feb. 01, 2016
White paper Choosing the Right Variable Frequency Buck Regulator Control Strategy Oct. 02, 2015
White paper Choosing the Right Variable Frequency Buck Regulator Control Strategy (PPT) Oct. 02, 2015
User guide High Performance 8A Single Synchronous Step-Down Converter Using the TPS53513 (Rev. B) Feb. 03, 2014
Application note D-CAP(TM) Mode With All-Ceramic Output Capacitor Application Feb. 03, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
49
Description

The TPS53513EVM evaluation module (EVM) allows users to evaluate the TPS53513. The TPS53513 is a D-CAP3™ mode, 8-A synchronous buck converter with integrated MOSFETs. It provides a fixed 1.2-V output at up to 8 A from a 12-V input bus. The TPS53513EVM is designed to demonstrate the TPS53513 in (...)

Features

8-Adc, steady-state output current.
J5 for auto-skip and forced CCM selection
J2 for enable function
J6 for LabView connection
J7 for external VDD
Convenient test points for probing critical waveforms

  • 8-Adc, steady-state output current.
  • J5 for auto-skip and forced CCM selection
  • J2 for enable function
  • J6 for (...)

View details

Design tools & simulation

SIMULATION MODEL Download
SLUM398.ZIP (128 KB) - PSpice Model
SIMULATION MODEL Download
SLUM435.ZIP (161 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SLUM436.ZIP (63 KB) - TINA-TI Spice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
View details

Reference designs

REFERENCE DESIGNS Download
Synchronous Buck Integrated Converter with Pseudo Differential Remote Sense Reference Design
PMP20721 — The PMP20721 reference design uses the TPS53513 to demonstrate a pseudo differential remote sense control. This is highly valuable for low voltage, high current rails that provide core power to processors. With differential remote sense, the I-R loss is also minimized. The design uses a typical 12V (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
PMBus Power System for Enterprise Ethernet Switches Reference Design
PMP11399 — PMP11399 is a complete PMBus power system for 3 ASIC/FPGA cores, DDR3 core memory, VTT termination, and auxiliary voltages commonly found on high-performance Ethernet Switches. The hardware is accompanied by a GUI that allows the user to perform real-time configuration and monitoring of the power (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Complete PMBus Power System for Enterprise Ethernet Switches Reference Design
PMP10896 — Complete PMBus power system for 3 ASIC/FPGA cores, DDR3 core memory, and auxiliary voltages found on high-performance Ethernet Switches.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Core Voltage Regulator for Enterprise SSD Storage Add On Card Controller ASIC Reference Design
PMP9667 — The PMP9667 utilizes the TPS53513 DCAP3 Mode SWIFT step down dc-dc converter to power the SSD Controller ASIC core rail at 1Vout/8A with only 250mm2 of total power supply area, and 19 total components. This design meets the high power density, small form factor requirements of PCIE-based HDD and SSD (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
VQFN-CLIP (RVE) 28 View options

Ordering & quality

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