Product details

Vin (Min) (V) 1.8 Vin (Max) (V) 6 Vout (Min) (V) 1.8 Vout (Max) (V) 28 Switch current limit (Typ) (A) 0.25 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 50 Switching frequency (Max) (kHz) 1000 Iq (Typ) (mA) 0.028 Features Enable Duty cycle (Max) (%) 88 Operating temperature range (C) -40 to 85 Rating Catalog
Vin (Min) (V) 1.8 Vin (Max) (V) 6 Vout (Min) (V) 1.8 Vout (Max) (V) 28 Switch current limit (Typ) (A) 0.25 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 50 Switching frequency (Max) (kHz) 1000 Iq (Typ) (mA) 0.028 Features Enable Duty cycle (Max) (%) 88 Operating temperature range (C) -40 to 85 Rating Catalog
SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 WSON (DRV) 6 4 mm² 2 x 2
  • 1.8-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Range up to 28 V
  • 400-mA (TPS61040) and 250-mA (TPS61041) Internal Switch Current
  • Up to 1-MHz Switching Frequency
  • 28-µA Typical No-Load Quiescent Current
  • 1-µA Typical Shutdown Current
  • Internal Soft Start
  • Available in SOT23-5, TSOT23-5,
    and 2-mm × 2-mm × 0.8-mm WSON Packages
  • 1.8-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Range up to 28 V
  • 400-mA (TPS61040) and 250-mA (TPS61041) Internal Switch Current
  • Up to 1-MHz Switching Frequency
  • 28-µA Typical No-Load Quiescent Current
  • 1-µA Typical Shutdown Current
  • Internal Soft Start
  • Available in SOT23-5, TSOT23-5,
    and 2-mm × 2-mm × 0.8-mm WSON Packages

The TPS6104x is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The device is ideal to generate output voltages up to 28 V from a dual-cell NiMH/NiCd or a single-cell Li-Ion battery. The part can also be used to generate standard 3.3-V or 5-V to 12-V power conversions.

The TPS6104x operates with a switching frequency up to 1 MHz. This frequency allows the use of small external components using ceramic as well as tantalum output capacitors. Together with the thin WSON package, the TPS6104x gives a very small overall solution size. The TPS61040 device has an internal 400-mA switch current limit, while the TPS61041 device has a 250-mA switch current limit, offering lower output voltage ripple and allows the use of a smaller form factor inductor for lower power applications. The low quiescent current (typically 28 µA) together with an optimized control scheme, allows device operation at very high efficiencies over the entire load current range.

The TPS6104x is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The device is ideal to generate output voltages up to 28 V from a dual-cell NiMH/NiCd or a single-cell Li-Ion battery. The part can also be used to generate standard 3.3-V or 5-V to 12-V power conversions.

The TPS6104x operates with a switching frequency up to 1 MHz. This frequency allows the use of small external components using ceramic as well as tantalum output capacitors. Together with the thin WSON package, the TPS6104x gives a very small overall solution size. The TPS61040 device has an internal 400-mA switch current limit, while the TPS61041 device has a 250-mA switch current limit, offering lower output voltage ripple and allows the use of a smaller form factor inductor for lower power applications. The low quiescent current (typically 28 µA) together with an optimized control scheme, allows device operation at very high efficiencies over the entire load current range.

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Technical documentation

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Type Title Date
* Data sheet TPS6104x Low-Power DC-DC Boost Converter in SOT-23 and WSON Packages datasheet (Rev. J) 18 Dec 2019
Application note Using External Bias to Broaden Input Voltage Range of Boost Converters 08 Nov 2021
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 29 Nov 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
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
Application note White Light LED Driver With Gradual Dimming (Rev. A) 10 Jan 2007
Application note Improved Overvoltage Protection for the TPS61040/1 15 Mar 2006
Application note Single Cell TPS61041 LED Driver 09 Jun 2003
White paper White LED Power Supply Design Techniques 18 Feb 2003
User guide TPS61045EVM-231: Adjustable LCD Boost Converter EVM 22 Jan 2003
Application note High Voltage Power Supply Using the TPS61040 09 Jul 2002
Application note Extending Battery Life with the TPS61040 White Light LED Driver 03 May 2002

Design & development

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

Evaluation board

TPS61040EVM-001 — TPS61040 Boost Converter Evaluation Module for LCD Supply, 18V/20mA

The TPS61040EVM-001 is an evaluation tool for the SOT-23 TPS61040 inductive boost converter which can supply voltages up to 28V from input voltages in the range of 1.8V to 6V.

In stock
Limit: 5
Evaluation board

TPS61040EVM-002 — TPS61040 Boost Converter Evaluation Module for White LED Supply

The TPS61040EVM-002 is an evaluation tool for the SOT-23 TPS61040 inductive boost converter which can supply voltages up to 28V from input voltages in the range of 1.8V to 6V.

In stock
Limit: 5
Evaluation board

TPS61045EVM-231 — TPS61045 Evaluation Module

The TPS61045EVM-231 is an evaluation tool for the TPS61045 inductive boost converter in 3x3mm2 QFN that can supply voltages up to 28V from input voltages in the range of 1.8V to 6V. The EVM is configured to supply a highly efficient, digitally adjustable, 18-V output for LCD bias supplies. This EVM (...)

In stock
Limit: 5
Simulation model

TPS61041 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM250A.ZIP (39 KB) - PSpice Model
Simulation model

TPS61041 TINA-TI Transient Spice Model

SLVM136.ZIP (16 KB) - TINA-TI Spice Model
Simulation model

TPS61041 TINA-TI Transient Reference Design

SLVM137.TSC (836 KB) - TINA-TI Reference Design
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 (...)
Calculation tool

TPS6104XCALC — Free Tool: TPS61040 And TPS6141 Component Calculator

For designers interested in using the TPS61040 or TPS61041, this spreadsheet calculator allows the engineer to determine circuit performance and optimum component values for their designs.
Reference designs

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Targeted for Ethernet/IP secondary communications, this development platform allows you to implement Ethernet/IP communication standards in a broad range of industrial automation equipment. It enables low footprint designs in applications such as industrial automation, factory automation or (...)
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TIDEP0001 — EtherCAT Communications Dev Platform

Targeted for EtherCAT slave communications, this reference design allows designers to implement real-time EtherCAT communications standards in a broad range of industrial automation equipment. It enables low-footprint designs in applications such as industrial automation, factory automation or (...)
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TIDEP0054 — Parallel Redundancy Protocol (PRP) Ethernet Reference Design for Substation Automation

This is a reference design for high-reliability, low-latency network communications for substation automation equipment in smart grid transmission and distribution networks. It supports the parallel redundancy protocol (PRP) specification in the IEC 62439 standard using the PRU-ICSS. This reference (...)
Reference designs

TIDEP0008 — PROFINET Communications Dev Platform

Targeted for PROFINET secondary communications, this reference design helps you implement PROFINET communications standards in a broad range of industrial automation equipment. It enables low-footprint designs in applications such as industrial automation, factory automation or (...)
Reference designs

TIDEP0002 — PROFIBUS Communications Development Platform

Targeted for PROFIBUS slave communications, this development platform allows designers to implement PROFIBUS communications standards in a broad range of industrial automation equipment. It enables low foot print designs in applications such as industrial automation, factory automation or (...)
Reference designs

PMP5528 — Boost with Charge Pump (35V to 50V@1mA)

A combination of Boost and Charge pump topology boosts the 2.5V - 3.6V input voltage to 35V or 50V @ 1mA, digitally selectable.
Package Pins Download
SOT-23 (DBV) 5 View options
WSON (DRV) 6 View options

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