TPS40171RGYR vs TPS40170QRGYRQ1 Comparison

Detailed side-by-side comparison of TPS40171RGYR by Texas Instruments and TPS40170QRGYRQ1 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Specification Comparison

Parameter TPS40171RGYR TPS40170QRGYRQ1
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) $2.43 $3.85
Topology Synchronous Buck Controller Synchronous Buck Controller
Input Voltage Range 4.5 V to 60 V 4.5 V to 60 V
Output Voltage Range 0.6 V to ~0.85 * VIN 0.6 V to 57 V
Reference Voltage 0.6 V (internal) —
Switching Frequency 100 kHz to 600 kHz (programmable) —
Control Architecture Peak current-mode with selectable voltage-mode / average-current-mode —
Duty Cycle Up to 100% (high-side) / 0% to 100% —
Number of Outputs 1 —
Driver Type External N-channel high-side + low-side MOSFETs —
Soft-Start Programmable, internal SS capacitor charging —
Current Limit Cycle-by-cycle, hiccup mode overload protection —
Power Good Output Yes (open-drain) —
Enable Input Yes (precision, with adjustable UVLO) —
Operating Temperature -40 C to +125 C —
Package 20-pin VQFN (RGY) 3.5 x 4.5 mm with thermal pad 20-VQFN (RGY) 3.5 x 4.5 mm
Mounting Type Surface Mount Surface Mount
MSL Level 2 (1 year floor life) 2 (1 year)
RoHS Status Compliant —
Maximum Output Current (with ext. MOSFETs) — 20 A
Switching Frequency Range — 100 kHz to 600 kHz
Reference Voltage Accuracy — 1 %
Quiescent Current (typ) — 4.5 mA
Shutdown Current — 1 uA typical
Output Voltage Tracking — Yes
Pre-Biased Output Support — Yes
PGOOD Signal — Open-drain
Soft-Start — Closed-loop
Dead-Time Control — Adaptive
Operating Temperature Range (AEC-Q100 Grade 1) — -40 C to +125 C
AEC-Q100 Qualification — Qualified

Datasheets & Resources

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