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TPS53515

ACTIVE
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1.5V to 18V Input (4.5V to 25V Bias), 12-A Synchronous Step-Down SWIFT™ Converter

Data sheet
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1.5V to 18V Input (4.5V to 25V Bias), 12-A Synchronous Step-Down SWIFT™ Converter

TPS53515

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) 12 Iq (Typ) (mA) 1.35 Switching frequency (Min) (kHz) 250 Switching frequency (Max) (kHz) 1000 Features Enable, Light Load Efficiency, Power Good, Pre-Bias Start-Up, Synchronous Rectification, Soft Start Adjustable, Over Current Protection, UVLO Fixed, Adjustable Current Limit 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)
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TPS53915 ACTIVE 1.5V to 18V Input (4.5V to 25V Bias), 12-A Synch Step-Down SWIFT™ Converter w/ PMBus™ This product is a pin-compatible 12-A converter with added PMBus to enable voltage scaling and fault reporting.

Technical documentation

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Type Title Date
* Datasheet TPS53515 1.5-V to 18-V (4.5-V to 25-V Bias) Input, 12-A Single Synchronous Step-Down SWIFT™ Converter datasheet (Rev. B) Jul. 27, 2015
Selection guides Buck Converter Quick Reference Guide (Rev. A) Mar. 31, 2020
Application notes DC/DC Converter Solutions for Hardware Accelerators in Data Center Applications Aug. 14, 2019
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application notes Non-isolated point-of-load solutions for VR13.HC in rack server & datacenter app Mar. 05, 2019
Selection guides SWIFT DC/DC Converters Selector Guide (Rev. G) Feb. 06, 2019
Application notes Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev Jan. 25, 2017
Application notes How to select input capacitors for a buck converter Apr. 26, 2016
Application notes Accuracy-Enhanced Ramp-Generation Design for D-CAP3 Modulation (Rev. A) Apr. 25, 2016
Technical articles Don’t say goodbye to your power supply Mar. 07, 2016
Application notes SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC Feb. 22, 2016
White papers Choosing the Right Variable Frequency Buck Regulator Control Strategy Oct. 02, 2015
White papers Choosing the Right Variable Frequency Buck Regulator Control Strategy (PPT) Oct. 02, 2015
Application notes Not All Jitter Is Created Equal (Rev. A) Jul. 04, 2015
Technical articles D-CAP3 – A sequel better than the original May 07, 2015
User guides TPS53515 User's Guide (Rev. B) Feb. 03, 2014
Technical articles Power Tips: Hooray for integrated FETs! Jan. 07, 2014

Design & development

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Hardware development

EVALUATION BOARDS Download
document-generic User guide
49
Description

The TPS53515EVM evaluation module (EVM) allows users to evaluate the TPS53515. The TPS53515 is a D-CAP3™ mode, 12-A synchronous buck converter with integrated MOSFETs. It provides a fixed 1.2-V output at up to 12 A from a 12-V input bus. The TPS53515EVM is designed to demonstrate the TPS53515 (...)

Features
  • 12-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
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Design tools & simulation

SIMULATION MODELS Download
SLUM399.ZIP (531 KB) - PSpice Model
SIMULATION TOOLS 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
  • (...)
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Reference designs

REFERENCE DESIGNS Download
Three Different Buck Converter Circuits to Convert 12V to 1.2V at >6A Load Current Reference Design
PMP11438 — PMP11438 is a vehicle used to compare three different power solutions for converting a 12V bus to 1.2V at 6-10A. The 1.2V output voltage is applicable to DDR4 memory applications. Each solution offers an advantage in either full load efficiency, light load efficiency, density, height, transient (...)
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
TPS53515 Low Power DDR Memory Power Supply Reference Design
PMP20026 — The PMP20026 reference design provides an efficient low power solution for DDR4 memory.  The power supply is powered from a 12V source and regulates the output to 1.2V at up to 6A.  The TPS53515 operates in a single phase buck mode at 500kHz that allows for very high efficiency (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
High Power Density 12Vin, 11.8W Buck Converter with Inductor On Top of the IC
TIDA-00595 — The TPS53515 Inductor-On-Top Step-Down Buck Converter reference design enables reduction of X-Y area while enabling >87% efficiency with 2.6W of power loss @12A load and 12mV of output voltage ripple with only 10x22uF ceramic output caps. This power reference design supports a 12V input and a (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Xilinx Virtex UltraScale FPGA Power Solution with PMBus Reference Design
PMP9475 — The PMP9475 12V-input reference design provides all the power supply rails necessary to power Xilinx's Virtex® UltraScale™ family of FPGAs in  a compact, highly efficient design.  This design uses several of TI's PMBus Point-Of-Load voltage regulators for ease of (...)
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
Communication ASIC Core Power Supply Reference Design
PMP9146 — The PMP9146 utilizes the TPS53515 DCAP3-mode SWIFT stepdown DC-DC converter to power high-current ASIC core rails at 1.2Vout/12A, with only 247mm2 of total power supply area and 27 total components.
document-generic Schematic document-generic User guide
Design files
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CAD/CAE symbols

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

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