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  1. Home
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  3. /Integrated Circuits - ICs
  4. /Power Management ICs
  5. /TPS54478
TPS54478 thumbnail 1
Texas Instruments

TPS54478

Category
Power Management ICs
Manufacturer
Texas InstrumentsDetails
Datasheet
Description
2.95V to 6V Input, 4A Synchronous Step-Down SWIFT™ Converter with Hiccup Current Limit
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Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status3850
QuantityTPS54478
Country

Get Tiered Pricing (Submit RFQ)

Specification
Product Details
Key Features
Documentation
TypeDescriptionTypeDescription
RatingCatalogTopologyBuck
Iout (max) (A)4Vin (max) (V)6
Vin (min) (V)2.95Vout (max) (V)4.5
Vout (min) (V)0.6FeaturesEnable, Frequency synchronization, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable
Control modecurrent modeOperating temperature range (°C)-40 to 150
Iq (typ) (A)0.000525Duty cycle (max) (%)98
PackageWQFN (RTE)Pins16
Size9 mm² (3 mm × 3 mm)
Certified Quality & Compliance
Purchase & Inquiry
Secure Packaging
Shipping & Availability
Payment

YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD) supports reliable sourcing through quality controls and compliance documentation. Please confirm product requirements, applicable certifications and supporting documents before ordering.

  • 1. Certification Scope: Quality certifications apply only to the entities, sites and activities listed in valid certificates. Management system certification does not certify each individual product.
  • 2. Product Authenticity: Products must match the agreed manufacturer, part number and condition. Supplier screening and authenticity checks help reduce counterfeit risk.
  • 3. Inspection & Testing: The inspection scope follows product risks and agreed requirements. Additional testing, laboratory arrangements, costs and lead times require written confirmation.
  • 4. Traceability & Documentation: Request conformity certificates, traceability records or test reports before ordering. Document availability, issuer and coverage must be confirmed for the offered goods.
  • 5. Environmental Compliance: RoHS and REACH information is based on applicable manufacturer documentation. Confirm the exact part, declaration date and relevant exemptions before ordering.
  • 6. Handling & Protection: Handling, storage and packaging follow applicable product requirements, including ESD and moisture protection where required. Special handling requirements must be agreed before ordering.
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Product FAQ
Purchasing FAQ

What type of component is TPS54478, and what package does it use?

TPS54478 is an authentic electronic component manufactured by Texas Instruments, categorized under Power Management ICs. It is supplied in the standard WQFN (RTE) package footprint, providing industry-standard mechanical dimensions and terminal configurations for board-level assembly. Full pinout configurations, physical footprint drawings, and rated operating tolerances are documented in the official TPS54478 datasheet above.

Why is pricing for TPS54478 available via RFQ rather than a fixed checkout price?

Electronic component spot-market pricing for TPS54478 fluctuates based on real-time global availability, production date codes, minimum order quantities (MOQ), and packaging formats (e.g., Reel, Tube, Tray). Using an RFQ ensures you receive accurate, real-time volume pricing tied to verified, traceable inventory rather than stale catalog estimates.

How quickly can TPS54478 be shipped once quoted?

Lead times for TPS54478 depend on whether stock is dispatched from our central hub or regional franchise partners. Ready-to-ship inventory typically leaves the warehouse within 1–3 business days following quality inspection, while factory-direct or back-ordered allocations are confirmed with an estimated ship date upon RFQ reply.

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