TPS61093-Q1

ACTIVE

6Vin/ 17Vout 1.1A automotive Boost Converter with integrated Power Diode

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Product details

Parameters

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) 1200 Switching frequency (Max) (kHz) 1200 Iq (Typ) (mA) 0.9 Features Enable, Output Discharge Duty cycle (Max) (%) 93 Operating temperature range (C) -40 to 125 Type Converter Rating Automotive open-in-new Find other Boost converters (integrated switch)

Package | Pins | Size

WSON (DSK) 10 6 mm² 2.5 x 2.5 open-in-new Find other Boost converters (integrated switch)

Features

  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Junction Operating Temperature Range
  • 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 × 2.5 × 0.8 mm SON Package
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Description

The TPS61093-Q1 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. This disconnection protects the IC and the input supply. The isolation switch also disconnects the output from the input during shut down to minimize leakage current. When the IC is shutdown, 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-Q1 is available in 2.5 mm × 2.5 mm SON package with thermal pad.

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Technical documentation

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Type Title Date
* Datasheet TPS61093-Q1 Low Input Boost Converter With Integrated Power Diode and Input/Output Isolation datasheet Jan. 30, 2015
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
Selection guides Low-Power DC/DC Converter Overview Guide (Rev. D) Feb. 09, 2017
Technical articles Power over coax: A design guide for automotive applications Aug. 26, 2016
Application notes Basic Calculation of a Boost Converter's Power Stage (Rev. C) Jan. 08, 2014
Application notes Automated Frequency Response Analyzer Oct. 09, 2013
Application notes Design considerations for a resistive feedback divider in a DC/DC converter Apr. 26, 2012
Application notes IQ: What it is, what it isn’t, and how to use it Jun. 17, 2011
Application notes Minimizing Ringing at the Switch Node of a Boost Converter Sep. 15, 2006

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$49.00
Description
The TPS61093EVM-519 facilitates evaluation of the TPS61093 low input, 20V/1.1A step-up DC/DC converter.
Features
  • Input range: 1.6V to 6V
  • Integrated power diode and input/output isolation
  • 1.2MHz switching frequency
  • 20V internal switch FET with 1.1A current
  • Overload protection
  • Overvoltage protection
  • Programmable Soft Start-up
  • Load discharge passes after IC shutdown

Design tools & simulation

SIMULATION MODELS Download
SLVMAK9D.ZIP (49 KB) - PSpice Model

Reference designs

REFERENCE DESIGNS Download
Battery Pack Controller Communications Bridge Reference Design
TIDA-01400 — The Bridge BoosterPack demonstrates the bq76PL455A-Q1 configured as a dedicated communications bridge to translate MCU UART  communications to the bq76PL455A-Q1 daisy chain. The bq76PL455 Bridge BoosterPack also offers  an isolated current sense input for measuring battery pack current, as (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
SON (DSK) 10 View options

Ordering & quality

Support & training

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Videos

Power Tips: Layout for a Boost Power Stage

This video shows a simplified schematic and PCB layout for a boost converter

Posted: 21-Jan-2016
Duration: 04:31

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