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TPS61093DSKR

1.6V-6V boost converter, 17V output, integrated diode + isolation FET, 1.2MHz, WSON-10 (2.5x2.5mm)

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Manufacturer Part：

TPS61093DSKR

Package：

WSON-10 (2.5x2.5mm)

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Description

Product Overview

The TPS61093DSKR from Texas Instruments is a low-input boost converter with integrated power diode and input/output isolation. Operating from 1.6V to 6V input, it boosts the output up to 17V with a 20V/1.1A internal switch FET. The 1.2MHz fixed-frequency device features overload and overvoltage protection in a tiny 2.5×2.5mm WSON-10 package.

Key Specifications

Topology Boost (Step-Up)
Input Voltage Range 1.6V ~ 6V
Output Voltage Range 1.6V ~ 17V (Adjustable)
Switch Current Limit 1.1A (peak)
Internal Switch FET 20V rating
Switching Frequency 1.2 MHz (fixed)
Integrated Power Diode Yes
Isolation FET Yes (input/output disconnect)
Efficiency Up to 88% at 15V output
Operating Temperature -40°C ~ 85°C (TA)
Package WSON-10 (2.5×2.5mm)
Part Status Active

Features

  • 1.6V minimum input voltage for dual alkaline or single Li-ion operation
  • Integrated power diode eliminates external Schottky
  • Input/output isolation FET disconnects output during shutdown
  • 20V internal switch FET with 1.1A peak current
  • 1.2MHz fixed switching frequency
  • Programmable soft start-up
  • Overload protection with isolation switch opening
  • Output overvoltage protection (OVP)
  • Thermal shutdown and undervoltage lockout (UVLO)
  • Load discharge path after IC shutdown

Applications

  • Glucose meters and portable medical devices
  • OLED display power supplies
  • 3.3V/5V to 12V boost conversion
  • Battery-powered industrial sensors
  • White LED bias supplies

The TPS61093DSKR from Texas Instruments is a 1.2MHz fixed-frequency boost converter designed for high integration and reliability. The device integrates a 20V power switch FET, input/output isolation switch, and power diode in a single 2.5×2.5mm WSON package. The 1.6V minimum input voltage enables operation from two alkaline batteries, a single Li-ion cell, or regulated 3.3V/5V supplies. The output can be boosted up to 17V. A key feature is the integrated isolation FET that disconnects the output from the input during shutdown, minimizing leakage current, and opens during overload conditions to protect both the IC and the input supply. The built-in power diode eliminates the need for an external Schottky diode. Protection features include cycle-by-cycle 1.1A overcurrent protection, output overvoltage protection, thermal shutdown, and undervoltage lockout.

The TPS61093DSKR uses a current-mode PWM boost converter architecture. When the internal NMOS switch turns on, current flows from the input through the inductor to ground, storing energy in the inductor’s magnetic field. When the switch turns off, the inductor voltage adds to the input voltage, and current flows through the integrated power diode to the output capacitor and load. The feedback pin (FB) senses the output voltage via a resistor divider and compares it to the internal reference. The error amplifier adjusts the switch duty cycle to maintain regulation. The isolation FET sits between the input and output paths, opening during shutdown or overload to prevent reverse current flow. The programmable soft start limits inrush current during startup.

Pin Name Type Description
1 SW O Switch node (connect to inductor)
2 SW O Switch node (connect to inductor)
3 VIN PWR Input supply (1.6V-6V)
4 VIN PWR Input supply
5 EN I Enable (active high)
6 FB I Feedback voltage input (regulates to reference)
7 COMP I/O Error amplifier compensation
8 SS I Soft start (connect capacitor to GND)
9 GND GND Ground
10 GND GND Ground (thermal pad)
  • OLED Displays: Boost 3.3V to 12-15V for OLED panel bias supply
  • Glucose Meters: Battery-powered boost for sensor excitation voltage
  • 3.3V to 12V: Standard boost conversion for industrial sensor transmitters
  • White LED Drive: Constant voltage boost for LED backlight strings
  • Portable Instruments: Dual alkaline battery to 5V/12V system supply
Model Manufacturer Key Difference
TPS61093DSKT Texas Instruments Small T&R packaging variant (250 pcs)
TPS61090RSAR Texas Instruments Similar boost, no isolation FET, VQFN-10
LT1935ES6#TRPBF Analog Devices 1.2MHz boost, 1A switch, SOT-23-6
LM2733XMF Texas Instruments 1.6MHz, 1A switch, SOT-23-5, no diode
AP3012KTR-G1 Diodes Inc 1.5MHz boost, 1.5A switch, SOT-23-6
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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