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

Datasheet

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
 
 
 
'U1 Rt D1 L1 Cboot Css RenT RenB Rfbb Rfbt Cout Rcomp Ccomp Cin '
 
What are WEBENCH® tools?

Sample & Buy

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

Related Products

Part # Name Product Family Comments
TPS54040A   3.5V to 42V Input, 0.5A Step-Down Converter with Eco-Mode   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    “A” version offers tighter Enable threshold and enhanced (2KV) HBM ESD – Recommended for new Designs  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 2791 02 Mar 2009

User Guides (2)

Title Abstract Type Size (KB) Date Views
PDF 139 21 Nov 2011 293
PDF 624 20 Mar 2009 829

More Literature (1)

Title Type Size (KB) Date Views
WMV 14789 12 Aug 2010 206

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 (3)

Title Category Type Size (KB) Date Views
TPS54040 PSpice Transient Model PSpice Model ZIP 66 KB 16 Jul 2009 240 views
TPS54040 TINA-TI Transient Reference Design TINA-TI Reference Design TSC 482 KB 17 Nov 2010 132 views
TPS54040 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 68 KB 17 Nov 2010 201 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 )    516 views, 12 Feb 2013  

Development Tools (3)

Name Part# Type
Inverting Power Supply Calculator for SWIFT DC/DC with Integrated FETs SWIFTINV-CALC Calculation Tools
Positive and Negative Output Voltage Split Rail Calculator for SWIFT DC/DC Converters SWIFTPOSNEG-CALC Calculation Tools
Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation

Reference Designs (7)

Description Part # Company
3.3V @ 0.3A Buck Converter PMP8538 Texas Instruments
5.0V @ 70mA Buck Converter PMP7220 Texas Instruments
Buck for wireless charging (5V @ 100mA) PMP5185 Texas Instruments
Inverting buck-boost using TPS54040 to generate -5V@100mA PMP5691 Texas Instruments
Sync Buck (1.1V at 110A) PMP5096 Texas Instruments
Sync Buck(x4), Buck (1V @ 25A) PMP6000.1 Texas Instruments
TPS54160 Universal Board PMP4743 Texas Instruments

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.



See More Training & Events
Click Here