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AC/DC & DC/DC converters (integrated FET)

TPS53513

ACTIVE

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

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Data sheet

TPS53513

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 1.5 Vin (max) (V) 18 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 Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 1350 Duty cycle (max) (%) 80
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 1.5 Vin (max) (V) 18 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 Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 1350 Duty cycle (max) (%) 80
VQFN-CLIP (RVE) 28 15.75 mm² 4.5 x 3.5
  • 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
  • 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

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.

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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TPS548A20 ACTIVE 1.5-V to 20-V, 15-A synchronous SWIFT™ buck converter Offers a higher IOUT, wider VIN and operating temperature range with frequency synchronization.
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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) PDF | HTML 04 Jun 2018
User guide TPS53513 Step-Down Converter Evaluation Module User's Guide (Rev. C) PDF | HTML 10 Nov 2021
Application note Point-of-Load Solutions for Data Center App Implementing VR13.HC Vccin Spec (Rev. A) PDF | HTML 08 Jan 2020
Selection guide SWIFT DC/DC Converters Selector Guide (Rev. G) 06 Feb 2019
Application note Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev 25 Jan 2017
Analog Design Journal How to select input capacitors for a buck converter 26 Apr 2016
Application note Accuracy-Enhanced Ramp-Generation Design for D-CAP3 Modulation (Rev. A) 25 Apr 2016
Technical article Don’t say goodbye to your power supply PDF | HTML 07 Mar 2016
Application note SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC 22 Feb 2016
Technical article Power Tips: Multiphase supplies can save space PDF | HTML 02 Feb 2016
Technical article Designing a 25G system: 5 tips to balance power, performance and price PDF | HTML 01 Feb 2016
White paper Choosing the Right Variable Frequency Buck Regulator Control Strategy 02 Oct 2015
White paper Choosing the Right Variable Frequency Buck Regulator Control Strategy (PPT) 02 Oct 2015
Technical article D-CAP3 – A sequel better than the original PDF | HTML 07 May 2015
Application note D-CAP(TM) Mode With All-Ceramic Output Capacitor Application 03 Feb 2011

Design & development

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

Evaluation board

TPS53513EVM-587 — TPS53513EVM-587 Single-Output Synchronous Step-Down Converter Evaluation Module

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 (...)

User guide: PDF | HTML
Not available on TI.com
Simulation model

TPS53513 PSpice Transient Model

SLUM398.ZIP (128 KB) - PSpice Model
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Simulation model

TPS53513 TINA-TI Transient Reference Design

SLUM435.ZIP (161 KB) - TINA-TI Reference Design
Download
Simulation model

TPS53513 TINA-TI Transient Spice Model

SLUM436.ZIP (63 KB) - TINA-TI Spice Model
Download
Calculation tool

SLURB03 — TPS53513 TPS53515 TPS53915 Excel Calculator and Layout Checklist

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC converters (integrated FET)
TPS53513 — 1.5-V to 18-V, 8-A synchronous SWIFT™ buck converter TPS53515 — 1.5-V to 18-V, 12-A synchronous SWIFT™ buck converter TPS53915 — 1.5-V to 18-V, 12-A synchronous SWIFT™ buck converter with PMBus
Download
Reference designs

PMP11399 — PMBus Power System for Enterprise Ethernet Switches Reference Design

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 (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP10896 — Complete PMBus Power System for Enterprise Ethernet Switches Reference Design

Complete PMBus power system for 3 ASIC/FPGA cores, DDR3 core memory, and auxiliary voltages found on high-performance Ethernet Switches.
Test report: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
VQFN-CLIP (RVE) 28 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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