3.5V to 60V Input, 1.5A Step-Down Converter with Eco-Mode


Product details


Vin (Min) (V) 3.5 Vin (Max) (V) 60 Vout (Min) (V) 0.8 Vout (Max) (V) 58 Iout (Max) (A) 1.5 Iq (Typ) (uA) 116 Switching frequency (Min) (kHz) 100 Switching frequency (Max) (kHz) 2500 Features Enable, Frequency Synchronization, Light Load Efficiency, Power Good, Tracking, UVLO Adjustable Operating temperature range (C) -40 to 150 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

HVSSOP (DGQ) 10 15 mm² 3 x 4.9 open-in-new Find other Buck converters (integrated switch)


  • 3.5 V to 60 V Input Voltage Range
  • 200-mΩ High-Side MOSFET
  • High Efficiency at Light Loads with a Pulse Skipping Eco-mode
  • TPS54160A has Tighter Enable Threshold Than
    TPS54160 for More Accurate UVLO voltage
  • Adjustable UVLO Voltage and Hysteresis
  • 116 µA Operating Quiescent Current
  • 1.3 µA Shutdown Current
  • 100 kHz to 2.5 MHz Switching Frequency
  • Synchronizes to External Clock
  • Adjustable Slow Start/Sequencing
  • UV and OV Power Good Output
  • 0.8-V Internal Voltage Reference
  • MSOP10 and 3mm x 3mm VSON Package with PowerPAD
  • Supported by WEBBENCH and SwitcherPro Software Tool
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The TPS54160A device is a 60-V, 1.5-A, step down regulator with an integrated high-side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low ripple pulse skip mode reduces the no load, regulated output supply current to 116 μA. Using the enable pin, shutdown supply current is reduced to 1.3 µA.

Under voltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open drain power good signal indicates the output is within 94% to 107% of its nominal voltage.

A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.

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Same functionality but is not pin-for-pin or parametrically equivalent to the compared device:
LMR36015 ACTIVE 4.2-V to 60-V, 1.5-A ultra-small synchronous step-down converter Next-generation 4.2-V to 60-V, 1.5-A ultra-small synchronous step-down converter.

Technical documentation

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Type Title Date
* Datasheet TPS54160 1.5-A, 60-V, Step-Down DC/DC Converter with Eco-mode™ datasheet (Rev. C) Feb. 17, 2014
Technical article Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
User guide PMLK Buck Experiment Book (Rev. B) Apr. 21, 2017
User guide Power-Management-Laborkit Buck- Experimentierbuch (Rev. B) Apr. 21, 2017
Application note Understanding Eco-mode(TM) Operation Dec. 05, 2016
User guide Cost Effective Test Methods Using PMLK BUCK Boards (Rev. A) Aug. 31, 2016
User guide PMLK Buck Experiment Book (Rev. A) Aug. 31, 2016
Application note Design Considerations for DC-DC Converters in Fast-Input Slew Rate Applications Mar. 05, 2015
Application note Differences between the TPS54x40, TPS54x60 and the TPS54x40A, TPS54x60A Apr. 17, 2013
Application note Create a Split-Rail Power Supply with a Wide Input Voltage Buck Regulator (Rev. A) Oct. 26, 2012
Application note Create an Inverting Power Supply from a Step-Down Regulator (Rev. B) Oct. 26, 2012
Application note Level Shifting Control for an Inverting Buck-boost Oct. 10, 2012
Application note 3Q 2010 Issue Analog Applications Journal Aug. 11, 2010
User guide TPS54160EVM-535 User's Guide Oct. 30, 2009
User guide TPS54160EVM-230 Oct. 07, 2008

Design & development

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

Hardware development

document-generic User guide

The TI-PMLK Buck Experiment Board is part of the TI Power Management Lab Kit (TI-PMLK) series. TI-PMLK series provides hands on learning to reinforce power supply knowledge. The modular format allows users to customize the TI-PMLK series experience in a way that makes the most impact on (...)

  • Two different IC sections to expand the learning experience

  • Each section is configurable with jumpers for different exercises

  • The Buck Board is accompanied by a downloadable Buck Experiments Book

document-generic User guide
The TPS54160EVM-230 evaluation module (EVM) helps designers evaluate the operation and performance of the TPS54160 DC/DC converter. This converter is a wide input voltage (3.5 - 60V), 2.5MHz, non-synchronous, externally compensated, step down converter capable of 1.5A of output current. The (...)

Design tools & simulation

SLIM198A.TSC (279 KB) - TINA-TI Reference Design
SLIM199A.ZIP (68 KB) - TINA-TI Spice Model
SLVM925.ZIP (98 KB) - PSpice Model
SLVMCZ8.ZIP (8 KB) - PSpice Model
SLVMD08.ZIP (1 KB) - PSpice Model
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 (...)
  • 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
  • (...)
Up To 60V Input Step-Down LED Driver Calculator for SWIFT DC/DC Converters
LEDDRIVER60VSWIFT-CALC The LEDDriver60VSWIFT-CALC design calculator is an Excel spreadsheet that facilitates design with the 60V TPS54x60 family of non-synchronous buck converters used as a high-brightness LED driver. The design achieves a constant current supply with an output voltage that varies with changes in the LED (...)
Inverting Power Supply Calculator for SWIFT DC/DC with Integrated FETs
SWIFTINV-CALC The SWIFTINV-CALC Excel sheet is a complementary worksheet to the SLVA317 application note. The worksheet is used to calculate the external components needed to create a negative output voltage from a positive input voltage. The tool features several families of wide input voltage, current-mode (...)
Positive and Negative Output Voltage Split Rail Calculator for SWIFT DC/DC Converters
SWIFTPOSNEG-CALC The SWIFTPosNeg-CALC Excel sheet is a complementary worksheet to the SLVA369 application note.

This worksheet is used to calculate the external components needed to create a dual output (i.e. positive and negative) power supply using a step-down switching regulator and catalog off the shelf coupled (...)

SLVC432A.ZIP (49 KB)

Reference designs

Inverter with coupled inductor (-15@200mA)
PMP5150 — This circuit uses the low-cost TPS54160 buck controller in an inverting buck-boost configuration. A coupled inductor is added to create balanced +/- 15V outputs.
Design files
Two-output Buck and LDO for Consumer Applications (12V @ 250mA)
PMP5548 — The PMP5548 is a buck converter with a secondary winding coupled with the main inductor. This winding supplies 6V that are added to the 6V output thus generating 12V. A 3.3V further output is derived from the main 6V output by means of an LDO.
Design files
12V Input 3W Dual 5V Output Buck Regulator Reference Design
PMP9091 This supply uses the TPS54160 buck regulator to generate a 5V/0.5A regulated output and an auxilliary 5V/0.2A unregulated output.  A two winding coupled inductor is used to generate the auxilliary output.   The auxilliary output is left floating, and could be used as a -5V output or (...)
Three-Phase BLDC and PMSM Medium Voltage Motor Control Solution
TIDM-THREEPHASE-BLDC-LC Spin and control three-phase brushless DC (BLDC) and brushless AC (BLAC) motors—or permanent magnet synchronous motors (PMSM)—using sensorless field oriented control (FOC). This design provides high-performance, power-efficient, and cost-effective control for sub-50V, 7A motors, ideal (...)
document-generic Schematic document-generic User guide
Three-Phase Brushless/PMSM Low Current Motor Control Solution with InstaSPIN Software
TIDM-THREEPHASE-BLDC-LC-INST This reference design demonstrates a motor control solution for spinning medium voltage three-phase brushless DC (BLDC) and brushless AC (BLAC) motors- often referred to as permanent magnet synchronous motors (PMSM) - featuring the C2000™ InstaSPIN™ TMS320F28069M microcontroller and the DRV8312 (...)
document-generic Schematic
Low Cost Inverting Buck-Boost Provides -5A@100mA from +32V Input for Transmitter Reference Design
PMP9097 This inverting buck-boost converter implements a low cost integrated FET buck controller to generate a negative output voltage. The converter is designed with low cost and small area in mind.
Design files
Uses TPS54160 in Buck configuration to generate 3.3V @ 1A
PMP5701 — Simple, low cost automotive buck to provide I/O voltage 3.3V @1A w/ TPS54060
Design files

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