TPS54040
(ACTIVE) 3.5V to 42V Input, 0.5A Step-Down Converter with Eco-Mode

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community

Design your power supply here

Please visit the WEBENCH® panel to the right and click the Open Design button

WEBENCH® TPS54040
    Min   Max   Range  
  Vin V    3.50 – 42.00V  
  Vout V    0.80 – 39.00V  
  Iout A    ≤ 0.50A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
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What are WEBENCH® tools?

Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
TPS54040DGQ ACTIVE -40 to 150 1.38 | 1ku MSOP-PowerPAD (DGQ) | 10 View 80 | TUBE >5K 1k quantity lead time: In stock
Not Available
TPS54040DGQR ACTIVE -40 to 150 1.15 | 1ku MSOP-PowerPAD (DGQ) | 10 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 2683 06 Sep 2013

User Guides (2)

Title Abstract Type Size (KB) Date Views
PDF 139 21 Nov 2011 1,091
PDF 624 20 Mar 2009 1,065

More Literature (1)

Title Type Size (KB) Date Views
WMV 14789 12 Aug 2010 473

Tools & Software

Circuit Design & Simulation

WEBENCH® TPS54040
    Min   Max   Range  
  Vin V    3.50 – 42.00V  
  Vout V    0.80 – 39.00V  
  Iout A    ≤ 0.50A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 Rt D1 L1 Cboot Css RenT RenB Rfbb Rfbt Cout Rcomp Ccomp Cin '
 
What are WEBENCH® tools?

Models (4)

Title Category Type Size (KB) Date Views
TPS54040 PSpice Average Model PSpice Model ZIP 85 KB 15 Jul 2013 671 views
TPS54040 PSpice Transient Model PSpice Model ZIP 66 KB 16 Jul 2009 1,223 views
TPS54040 TINA-TI Transient Reference Design TINA-TI Reference Design TSC 482 KB 17 Nov 2010 157 views
TPS54040 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 68 KB 17 Nov 2010 1,197 views

Design Kits & Evaluation Modules (1)

Name Part# Type
TPS54040 42V Input, 5V Output, 0.5A Evaluation Module TPS54040EVM-456 Evaluation Modules & Boards

Software (1)

TPS54x40 and TPS54x60 Buck Design Spreadsheet (Rev. A) 
(ZIP 49 KB )    1,253 views, 12 Feb 2013  

Development Tools (3)

Reference Designs

Description Part Number Company Tool Type
3-ph E-Meter. Input voltage: 2 and 3 phase; outputs: 16.5V@300mApk, 12V@500mA, 3.3V@100mApk, 1.9V@15 PMP7146.4 Texas Instruments Reference Designs
3-ph E-Meter. Input voltage: 2 and 3 phase; outputs: 16.5V@300mApk, 12V@500mA, 3.3V@100mApk, 1.9V@15 PMP7146.3 Texas Instruments Reference Designs
3-ph E-Meter. Input voltage: 2 and 3 phase; outputs: 16.5V@300mApk, 12V@500mA, 3.3V@100mApk, 1.9V@15 PMP7146.2 Texas Instruments Reference Designs
3-ph E-Meter. Input voltage: 2 and 3 phase; outputs: 16.5V@300mApk, 12V@500mA, 3.3V@100mApk, 1.9V@15 PMP7146.1 Texas Instruments Reference Designs
3.3V @ 0.3A Buck Converter PMP8538 Texas Instruments Reference Designs
Boost Power Supply for Automotive eCall System PMP7220 Texas Instruments Reference Designs
Buck for wireless charging (5V @ 100mA) PMP5185 Texas Instruments Reference Designs
Inverting buck-boost using TPS54040 to generate -5V@100mA PMP5691 Texas Instruments Reference Designs
Sync Buck (1.1V at 110A) PMP5096 Texas Instruments Reference Designs
Sync Buck(x4), Buck (1V @ 25A) PMP6000.1 Texas Instruments Reference Designs
TPS54160 Universal Board PMP4743 Texas Instruments Reference Designs



Support & Community


TI E2E™ Community

TI E2E Community

As a member of my.TI you can join the TI E2E™ Community where you can ask questions, share ideas and collaborate with fellow engineers and TI experts

Contents are provided "AS IS" by the respective TI and Community contributors and do not constitute TI specifications. See Terms of Use.

Training & Events

Name Type Available During
Survey of Control Topologies for TPS and LM Non-Isolated DC/DC Controllers
This presentation will illustrate and survey each control mode’s operation and switching characteristics.
On-Line Training   On Demand  
Digital Power Supply Design Workshop
Do you want to reduce your development time of digital power supplies or code a digital controller?
Multi-Day Workshops   Tue, 06 May 2014 - Thu, 08 May 2014  
High Current Battery Charger Solutions for Portable Devices
This video is a must see for anyone involved with the design in of a battery charger for a high current portable device.
On-Line Training   On Demand  
Wireless Power Tx Design
If you have difficulty in designing Wireless Power Transmitters, this video will provide you with a lot of tips for doing it.
On-Line Training   On Demand  
PCB Layout Guidelines for Fuel Gauge Design
The pack designer must take care to design the hardware to protect the pack in the conditions where it will be used.
On-Line Training   On Demand  
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