17-V Input, Step-down Converter with Low Power Mode Input for Intel SkyLake Platform


Product details


Vin (Min) (V) 3 Vin (Max) (V) 17 Vout (Min) (V) 0.7 Vout (Max) (V) 1 Iout (Max) (A) 3.2 Iq (Typ) (mA) 0.02 Iq (Typ) (uA) 20 Switching frequency (Min) (kHz) 1000 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 (RGT) 16 9 mm² 3 x 3 open-in-new Find other Buck converters (integrated switch)


  • DCS-Control™ Architecture
  • Supports Low-Power Mode for System Standby Mode
  • Power Save Mode for Light Load Efficiency
  • Selectable Fixed Output Voltage (0.7 V to 1.05 V)
  • Low Power Mode Logic Input
  • Quiescent Current of 20 µA
  • Input Voltage Range: 3 V to 17 V
  • Output Current: up to 3.2 A
  • Programmable Soft Start
  • Power Good Output
  • Short Circuit Protection
  • Single-ended Remote Sense
  • Thermal Shutdown Protection
  • Available in a 3-mm × 3-mm, VQFN-16 Package
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The TPS62134x family of devices is an easy-to-use, synchronous step-down DC-DC converter, compatible with Intel Skylake platform applications such as Ultrabooks™ and notebooks. The high performance DCS-Control™ architecture provides fast transient response as well as high output voltage accuracy.

With a wide operating input-voltage range of 3 to 17 V, the devices are ideally suited for systems powered from either a Li-Ion or other batteries as well as from 12-V intermediate power rails. The devices have a low-power mode where the output voltage is reduced by using the LPM pin. In addition, the devices support dynamic output-voltage change by using the VIDx pins. The LPM and VIDx pins help the system minimize power consumption in different operating modes.

The output-voltage startup ramp is controlled by the SS pin. The power sequencing is configurable by the enable (EN) and power good (PG) pins. In power-save mode, the devices show quiescent current of approximately 20 µA which maintains high efficiency over the entire load range. Short circuit protection and thermal shutdown protect the IC and external components from heavy current when the output is shorted to ground. The device is available in a 3-mm × 3-mm 16-pin VQFN package with thermal pad.

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Technical documentation

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Type Title Date
* Datasheet TPS62134x, 17-V Input, Step-down Converter With Low-Power Mode Input for Intel Skylake Platform datasheet (Rev. E) Oct. 31, 2016
Application notes Methods of output-voltage adjustment for DC/DC converters Jun. 14, 2019
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application notes Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec. 11, 2018
Application notes QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Application notes Understanding 100% mode in low-power DC/DC converters Jun. 22, 2018
Application notes Achieving a clean startup by using a DC/DC converter with a precise enable-pin t Oct. 24, 2017
Application notes Testing tips for applying external power to supply outputs without an input volt Oct. 24, 2016
Application notes Understanding frequency variation in the DCS-Control(TM) topology Oct. 30, 2015
Application notes Optimizing the TPS62130/40/50/60 Output Filter (Rev. A) Jul. 15, 2015
Technical articles A simple, efficient, single-rail solution for Intel Skylake designs May 06, 2015
User guides TPS62134xEVM-595 User's Guide (Rev. A) Mar. 16, 2015
Application notes Five steps to a great PCB layout for a step-down converter Jan. 29, 2015
Application notes High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions Jul. 25, 2013
Application notes How to Measure the Control Loop of DCS-Control Devices (Rev. A) Aug. 09, 2012
Application notes Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) Jan. 13, 2012
Application notes Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs Sep. 19, 2011
Application notes IQ: What it is, what it isn’t, and how to use it Jun. 17, 2011

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