Datasheet
- 0.5-A, 42V Step Down SWIFT DC/DC Converter with Eco-Mode
(PDF , 2791 KB) 02 Mar 2009 - View All Technical Documents
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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 |
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* 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 |
|---|---|---|---|---|
| 2791 | 02 Mar 2009 |
Application Notes (3)
| Title | Abstract | Type | Size (KB) | Date | Views |
|---|---|---|---|---|---|
| 55 | 17 Apr 2013 | 15 | |||
| 472 | 26 Oct 2012 | 2,934 | |||
| 249 | 10 Oct 2012 | 986 |
User Guides (2)
| Title | Abstract | Type | Size (KB) | Date | Views |
|---|---|---|---|---|---|
| 139 | 21 Nov 2011 | 293 | |||
| 624 | 20 Mar 2009 | 829 |
Selection & Solution Guides (5)
| Title | Type | Size (KB) | Date | Views |
|---|---|---|---|---|
| 58 | 12 Apr 2012 | 1,305 | ||
| 302 | 28 Mar 2012 | 4,032 | ||
| 1595 | 14 Mar 2012 | 1,621 | ||
| 184 | 22 Feb 2012 | 1,830 | ||
| 145 | 31 Jan 2012 | 1,001 |
Tools & Software
Circuit Design & Simulation
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)
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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
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. |
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Training & Events
| Name | Type | Available During |
|---|---|---|
| In-depth PFC Design Workshop sponsored by Biricha Digital Power Ltd. | In-Person | 30 Apr 2013 - 02 May 2013 |
| Power Fundamentals: Linear Regulator Fundamentals - NPN | Recorded Content | On Demand |
| Power Fundamentals: Buck Regulator Architectures - Current/Emulated Current Mode Buck Regulators | Recorded Content | On Demand |
| Power Fundamentals: Buck Regulator Architectures - COT Buck Regulators | Recorded Content | On Demand |
| Power Fundamentals: Buck Regulator Architectures - Hysteretic Buck Regulators | Recorded Content | On Demand |
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