TPS5450DDAR vs TPS5450QDDARQ1 Comparison

Detailed side-by-side comparison of TPS5450DDAR by Texas Instruments and TPS5450QDDARQ1 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
TPS5450DDAR TPS5450DDAR - 5A 36V Buck Converter 500kHz | Texas Instruments

TPS5450DDAR - 5A 36V Buck Converter 500kHz | Texas Instruments

TPS5450DDAR ✓ Active
Texas Instruments
TPS5450QDDARQ1 TPS5450QDDARQ1 - 5A 36V Automotive Buck Converter | TI

TPS5450QDDARQ1 - 5A 36V Automotive Buck Converter | TI

TPS5450QDDARQ1 ✓ Active

Specification Comparison

Parameter TPS5450DDAR TPS5450QDDARQ1
Brand Texas Instruments Texas Instruments
Category DC-DC Converters DC-DC Converters
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.55 $1.80
Topology Buck (Step-Down) Step-Down (Buck), Non-Synchronous
Input Voltage Range 5.5 V to 36 V 5.5 V to 36 V
Output Voltage Range 1.221 V to 31 V (adjustable) 1.221 V to 31 V
Maximum Output Current 5 A 5 A continuous (6 A peak)
Switching Frequency 500 kHz (fixed) 500 kHz
Number of Outputs 1 1
Control Method Voltage-mode PWM, internally compensated Voltage Mode PWM, Internally Compensated
Integrated MOSFET Low-resistance high-side N-channel —
Typical Efficiency > 90 percent —
Protection Features Cycle-by-cycle overcurrent, thermal shutdown, programmable soft-start —
Enable Pin Yes (ENA) Yes (active-high ENA)
Operating Temperature -40C to +125C -40 C to +125 C
Package HSOIC PowerPAD (DDA), 8 pins, 3.90 mm width HSOIC (DDA) 8-PowerSOIC, 3.90 mm width, PowerPAD
Mounting Type Surface Mount Surface Mount
Family SWIFT (Step-Down Converter with Integrated FET) —
Quiescent Current [DATA_NEEDED: quiescent current] —
High-Side MOSFET Rds(on) [DATA_NEEDED: Rds(on)] —
Synchronous Rectifier — No
Shutdown Supply Current — 18 uA (typ, via ENA pin)
Protections — Overcurrent limiting, OVP, thermal shutdown
Automotive Qualification — AEC-Q100 Qualified, PPAP supported
ECCN (US) — EAR99
HTS — 8542.39.00.90
RoHS Status — Compliant

Datasheets & Resources

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