Product details

Vin (Min) (V) 1.6 Vin (Max) (V) 6 Vout (Min) (V) 1.7 Vout (Max) (V) 17 Switch current limit (Typ) (A) 1.1 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 1000 Switching frequency (Max) (kHz) 1400 Iq (Typ) (mA) 0.9 Features Enable, Output Discharge Duty cycle (Max) (%) 93 Rating Catalog
Vin (Min) (V) 1.6 Vin (Max) (V) 6 Vout (Min) (V) 1.7 Vout (Max) (V) 17 Switch current limit (Typ) (A) 1.1 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 1000 Switching frequency (Max) (kHz) 1400 Iq (Typ) (mA) 0.9 Features Enable, Output Discharge Duty cycle (Max) (%) 93 Rating Catalog
WSON (DSK) 10 6 mm² 2.5 x 2.5
  • Input range: 1.6 V to 6 V
  • Integrated power diode and isolation FET
  • 20-V Internal switch FET with 1.1-A current
  • Fixed 1.2-MHz switching frequency
  • Efficiency at 15-V output up to 88%
  • Overload and overvoltage protection
  • Programmable soft start-up
  • Load discharge path after IC shutdown
  • 2.5 mm × 2.5 mm × 0.8 mm WSON package
  • Create a custom design using the TPS61093 with the WEBENCH® Power Designer
  • Input range: 1.6 V to 6 V
  • Integrated power diode and isolation FET
  • 20-V Internal switch FET with 1.1-A current
  • Fixed 1.2-MHz switching frequency
  • Efficiency at 15-V output up to 88%
  • Overload and overvoltage protection
  • Programmable soft start-up
  • Load discharge path after IC shutdown
  • 2.5 mm × 2.5 mm × 0.8 mm WSON package
  • Create a custom design using the TPS61093 with the WEBENCH® Power Designer

The TPS61093 is a 1.2-MHz, fixed-frequency boost converter designed for high integration and high reliability. The IC integrates a 20-V power switch, input/output isolation switch, and power diode. When the output current exceeds the overload limit, the isolation switch of the IC opens up to disconnect the output from the input, thus protecting the IC and the input supply. The isolation switch also disconnects the output from the input during shutdown to minimize leakage current. When the IC is shut down, the output capacitor is discharged to a low voltage level by internal diodes. Other protection features include 1.1-A peak overcurrent protection (OCP) at each cycle, output overvoltage protection (OVP), thermal shutdown, and undervoltage lockout (UVLO).

With its 1.6-V minimum input voltage, the IC can be powered by two alkaline batteries, a single Li-ion battery, or 3.3-V and 5-V regulated supply. The output can be boosted up to 17 V. The TPS61093 is available in 2.5 mm × 2.5 mm VSON package with thermal pad.

The TPS61093 is a 1.2-MHz, fixed-frequency boost converter designed for high integration and high reliability. The IC integrates a 20-V power switch, input/output isolation switch, and power diode. When the output current exceeds the overload limit, the isolation switch of the IC opens up to disconnect the output from the input, thus protecting the IC and the input supply. The isolation switch also disconnects the output from the input during shutdown to minimize leakage current. When the IC is shut down, the output capacitor is discharged to a low voltage level by internal diodes. Other protection features include 1.1-A peak overcurrent protection (OCP) at each cycle, output overvoltage protection (OVP), thermal shutdown, and undervoltage lockout (UVLO).

With its 1.6-V minimum input voltage, the IC can be powered by two alkaline batteries, a single Li-ion battery, or 3.3-V and 5-V regulated supply. The output can be boosted up to 17 V. The TPS61093 is available in 2.5 mm × 2.5 mm VSON package with thermal pad.

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Technical documentation

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Type Title Date
* Data sheet TPS61093 Low-Input Boost Converter With Integrated Power Diode and Input/Output Isolation datasheet (Rev. D) PDF | HTML 26 Apr 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Application note QFN and SON PCB Attachment (Rev. B) PDF | HTML 24 Aug 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 03 May 2016
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. C) 08 Jan 2014
Application note Automated Frequency Response Analyzer 09 Oct 2013
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
User guide TPS61093EVM-519 10 Oct 2009
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006
More literature Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 15 Feb 2001

Design & development

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

Evaluation board

TPS61093EVM-519 — TPS61093EVM-519 Evaluation Module

The TPS61093EVM-519 facilitates evaluation of the TPS61093 low input, 20V/1.1A step-up DC/DC converter.
User guide: PDF
Not available on TI.com
Simulation model

TPS61093 Unencrypted PSpice Transient Model Package (Rev. D)

SLVMAK9D.ZIP (49 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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 (...)
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Schematic: PDF
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Package Pins Download
SON (DSK) 10 View options

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