Datasheet Texas Instruments TPS40428RHAR
| Manufacturer | Texas Instruments |
| Series | TPS40428 |
| Part Number | TPS40428RHAR |
Dual Output, 2-Phase, Stackable PMBus Synchronous Buck Driverless Controller 40-VQFN
Datasheets
TPS40428 Dual Output, 2-Phase, Stackable PMBus Synchronous Buck Driverless Controller with Adaptive Voltage Scaling (AVS) Bus datasheet
PDF, 2.2 Mb, Revision: A, File published: Jul 22, 2014
Extract from the document
Prices
Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 40 | 40 |
| Package Type | RHA | RHA |
| Industry STD Term | VQFN | VQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Package QTY | 2500 | 2500 |
| Carrier | LARGE T&R | LARGE T&R |
| Device Marking | TPS | 40428 |
| Width (mm) | 6 | 6 |
| Length (mm) | 6 | 6 |
| Thickness (mm) | .9 | .9 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | 1 | 1 |
| Mechanical Data | Download | Download |
Parametrics
| Control Mode | Voltage Mode |
| Duty Cycle(Max) | 46 % |
| Iout(Max) | 40 A |
| Iq(Typ) | 18 mA |
| Number of Phases | 2 |
| Package Group | VQFN |
| Rating | Catalog |
| Regulated Outputs | 2 |
| Special Features | Adjustable Current Limit,Dynamic Voltage Scaling,Enable,Frequency Synchronization,PMBus,Phase Interleaving,Power Good,Pre-Bias Start-Up,Remote Sense,Synchronous Rectification,UVLO Adjustable,Voltage Margining |
| Switching Frequency(Max) | 1500 kHz |
| Switching Frequency(Min) | 200 kHz |
| Type | Controller |
| Vin(Max) | 20 V |
| Vin(Min) | 4.5 V |
| Vout(Max) | 5 V |
| Vout(Min) | 0.6 V |
Eco Plan
| RoHS | Compliant |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: TPS40428EVM-594
TPS40428 EVM Dual Output with PMBus Interface
Lifecycle Status: Active (Recommended for new designs)
Application Notes
- MOSFET power losses and how they affect power-supply efficiencyPDF, 162 Kb, File published: Jan 26, 2016
- Multiphase Buck Design from Start to Finish, Part 1PDF, 3.7 Mb, File published: Apr 25, 2017
- SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator ICPDF, 409 Kb, File published: Feb 22, 2016
Model Line
Series: TPS40428 (2)
- TPS40428RHAR TPS40428RHAT
Manufacturer's Classification
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Controller (External Switch)
