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TPS61023

ACTIVE

3.7-A boost converter with 0.5-V ultra-low input voltage

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Data sheet

TPS61023

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Boost Vin (max) (V) 5.5 Vin (min) (V) 0.5 Vout (max) (V) 5.5 Vout (min) (V) 2.2 Switch current limit (typ) (A) 3.7 Features Enable, Light-load efficiency, Load Disconnect, Pass-through mode, Prebias startup, Synchronous rectification, UVLO fixed Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 97
Rating Catalog Topology Boost Vin (max) (V) 5.5 Vin (min) (V) 0.5 Vout (max) (V) 5.5 Vout (min) (V) 2.2 Switch current limit (typ) (A) 3.7 Features Enable, Light-load efficiency, Load Disconnect, Pass-through mode, Prebias startup, Synchronous rectification, UVLO fixed Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 97
SOT-5X3 (DRL) 6 2.56 mm² (1.6 mm × 1.6 mm)
  • Input voltage range: 0.5 V to 5.5 V
  • 1.8-V Minimum input voltage for start-up
  • Output voltage setting range: 2.2 V to 5.5 V
  • Two 47-mΩ (LS) / 68-mΩ (HS) MOSFETs
  • 3.7-A Valley switching current limit
  • 94% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT = 1.5 A
  • 1-MHz Switching frequency when VIN > 1.5 V and 0.5-MHz switching frequency when VIN < 1 V
  • Typical 0.1-µA shutdown current from VIN and SW
  • ±2.5% Reference voltage accuracy over –40°C to +125°C
  • Auto PFM operation mode at light load
  • Pass-through mode when VIN > VOUT
  • True disconnection between input and output during shutdown
  • Output overvoltage and thermal shutdown protections
  • Output short-circuit protection
  • 1.2-mm × 1.6-mm SOT563 (DRL) 6-pin package
  • Input voltage range: 0.5 V to 5.5 V
  • 1.8-V Minimum input voltage for start-up
  • Output voltage setting range: 2.2 V to 5.5 V
  • Two 47-mΩ (LS) / 68-mΩ (HS) MOSFETs
  • 3.7-A Valley switching current limit
  • 94% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT = 1.5 A
  • 1-MHz Switching frequency when VIN > 1.5 V and 0.5-MHz switching frequency when VIN < 1 V
  • Typical 0.1-µA shutdown current from VIN and SW
  • ±2.5% Reference voltage accuracy over –40°C to +125°C
  • Auto PFM operation mode at light load
  • Pass-through mode when VIN > VOUT
  • True disconnection between input and output during shutdown
  • Output overvoltage and thermal shutdown protections
  • Output short-circuit protection
  • 1.2-mm × 1.6-mm SOT563 (DRL) 6-pin package

TPS61023 device is a synchronous boost converter with 0.5-V ultra-low input voltage. The device provides a power supply solution for portable equipment and smart devices powered by various batteries and super capacitors. The TPS61023 has typical 3.7-A valley switch current limit over full temperature range. With a wide input voltage range of 0.5 V to 5.5 V, the TPS61023 supports super capacitor backup power applications, which may deeply discharge the super capacitor.

The TPS61023 operates at 1-MHz switching frequency when the input voltage is above 1.5 V. The switching frequency decreases gradually to 0.5 MHz when the input voltage is below 1.5 V down to 1 V. The TPS61023 enters power-save mode at light load condition to maintain high efficiency over the entire load current range. The TPS61023 consumes a 20-µA quiescent current from VOUT in light load condition. During shutdown, the TPS61023 is completely disconnected from the input power and only consumes a 0.1-µA current to achieve long battery life. The TPS61023 has 5.7-V output overvoltage protection, output short circuit protection, and thermal shutdown protection.

The TPS61023 offers a very small solution size with 1.2-mm × 1.6-mm SOT563 (DRL) package and minimum amount of external components.

TPS61023 device is a synchronous boost converter with 0.5-V ultra-low input voltage. The device provides a power supply solution for portable equipment and smart devices powered by various batteries and super capacitors. The TPS61023 has typical 3.7-A valley switch current limit over full temperature range. With a wide input voltage range of 0.5 V to 5.5 V, the TPS61023 supports super capacitor backup power applications, which may deeply discharge the super capacitor.

The TPS61023 operates at 1-MHz switching frequency when the input voltage is above 1.5 V. The switching frequency decreases gradually to 0.5 MHz when the input voltage is below 1.5 V down to 1 V. The TPS61023 enters power-save mode at light load condition to maintain high efficiency over the entire load current range. The TPS61023 consumes a 20-µA quiescent current from VOUT in light load condition. During shutdown, the TPS61023 is completely disconnected from the input power and only consumes a 0.1-µA current to achieve long battery life. The TPS61023 has 5.7-V output overvoltage protection, output short circuit protection, and thermal shutdown protection.

The TPS61023 offers a very small solution size with 1.2-mm × 1.6-mm SOT563 (DRL) package and minimum amount of external components.
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Technical documentation

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* Data sheet TPS61023 3.7-A Boost Converter with 0.5-V Ultra-low Input Voltage datasheet (Rev. B) PDF | HTML Aug 18, 2020
Application note Hysteresis Control MPPT Method with Generic DC/DC Converter PDF | HTML Jun 21, 2024
Application note Adjustable Undervoltage Lockout Circuit Used in TPS61022 and TPS61023 (Rev. A) PDF | HTML Nov 1, 2022
Application note Measuring and Understanding the Output Voltage Ripple of a Boost Converter PDF | HTML Feb 22, 2021
Application note Designing a Low-Cost, High-Accuracy Infrared Thermometer Nov 25, 2020
Technical article Accelerate your electric mask design PDF | HTML Jul 1, 2020
Application note TPS61022 and TPS61023 Boost Converters Layout Guidelines May 20, 2020

Design & development

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

Evaluation board

TPS61023EVM-052 — TPS61023DRL evaluation module

TPS61023 is a 3-A boost converter with ultra low input voltage. It features 0.5-V to 5.5-V input voltage range, 2.2-V to 5.5-V adjustable output voltage and has minimum 3-A valley switch current limit.

The TPS61023EVM-052 is the evaluation module for the TPS61023 with output voltage setting to 5 V.

User guide: PDF | HTML
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Simulation model

Unencrypted TPS61023 PSPICE Model (Rev. A)

SLVMD68A.ZIP (793 KB) - PSpice model
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Calculation tool

SLVC803 — TPS61023 Calculation Tool

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Reference design

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