TPS40428RHAT Part Information

Details for TPS40428RHAT by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Features

  • 0.6-V Reference Voltage with 0.5% Accuracy from u201340u00b0C to 125u00b0C
  • 40-Pin, 6 mm u00d7 6 mm, QFN Package
  • Differential Remote Sensing
  • Dual or Multi-Phase Synchronous Buck Controller
  • Fast Transient Response
  • Individual High-Speed AVS Interface
  • OC/OV/UV/OT Fault Protection
  • On-Chip Non-Volatile Memory (NVM) to Store Custom Configurations
  • PMBus Interface Capability u2013 Margining Up/Down with 2-mV Step u2013 Programmable Fault Limit and Response u2013 u00b10.8% VOUT u2013 Accuracy Current Monitoring u2013 u00b13u00b0C External Temperature Monitoring In Smart Power Mode u2013 Programmable UVLO ON/OFF Thresholds u2013 Programmable Soft-Start Time, Turn-On Delay, and Turn-Off Delay
  • Programmable u0192SW from 200 kHz to 1.5 MHz
  • Single Supply Operation: 4.5 V to 20 V
  • Smart Power Mode in Factory Default (Compatible with TI Smart Power Stage CSD95378B and Pin- for-Pin Equivalent to TPS40425 u2013 Non-Smart Power Mode in Factory Default)
  • Stackable up to Four Phases u2013 2-, 3-, or 4-Phase Interleaved Phase Shifts u2013 Accurate Current Sharing
  • Supports Pre-biased Output
  • Synchronization to an Extermal Clock
  • VOUT from 0.6 V

Part Specifications

Supply Voltage Min 4.5V
Supply Voltage Max 20V
No. of Outputs 2 Output, 2Outputs
Duty Cycle (%) -
Controller IC Case Style VQFN
No. of Pins 40Pins
Switching Frequency 1.5MHz
Topology Synchronous Buck (Step Down)
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • SYNC BUCK CONTROLLER, 1.5MHZ, VQFN-40; Supply Voltage Min:4.5V; Supply Voltage Max:20V; No. of Outputs:2 Output; Duty Cycle (%):-; Controller IC Case Style:VQFN; No. of Pins:40Pins; Switching Frequency:1.5MHz; Topology:Synchronous RoHS Compliant: Yes | Newark Electronics
  • Dual Output, 2-Phase, Stackable PMBus Synchronous Buck Driverless Controller | Texas Instruments

Frequently Asked Questions

Where can I find additional details, specifications and documents for a TPS40428RHAT?

Additional datasheets, footprints and schematics for TPS40428RHAT are listed in our Part Details tab. You can also find the TPS40428RHAT image and similar parts on this details page.

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What category does TPS40428RHAT fall under?

The TPS40428RHAT is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

Can I view similar or alternative parts?

You can view similar parts to TPS40428RHAT when available in the Power Management range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the TPS40428RHAT you can contact the distributor directly for product support, shipping queries etc.

Is the TPS40428RHAT RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Farnell.

Which authorised distributors for TPS40428RHAT have stock available?

Authorised distributors including Newark Electronics and Texas Instruments have stock available or on a lead time for TPS40428RHAT.

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