TPS6281326QWRWYRQ1 Texas Instruments (VQCCN) In Stock
TPS6281326QWRWYRQ1 is an automotive-grade synchronous buck converter with current-mode PWM control by Texas Instruments. Key specs: 2.7 V to 6 V input, AEC-Q100 qualified, 9-pin QFN package. From $1.80, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- TPS6281326QWRWYRQ1 Datasheet PDF
- Price
- From $1.6230(MOQ 3000)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPS6281326QWRWYRQ1?
- AEC-Q100 qualified for automotive applications requiring operation across -40°C to 125°C junction temperature range
- Current-mode PWM control provides fast transient response and cycle-by-cycle current limiting for robust 5 V rail regulation
- Compact 9-pin QFN package (R-PQCC-N9) minimizes PCB area in space-constrained automotive body electronics modules
What is TPS6281326QWRWYRQ1 used for?
TPS6281326QWRWYRQ1 is designed for automotive body electronics, ADAS sensor power supplies, and in-vehicle infotainment systems requiring AEC-Q100 grade reliability across wide temperature extremes. Its 2.7 V to 6 V input range suits applications powered directly from 3.3 V or 5 V regulated automotive bus rails. Current-mode PWM ensures stable output under the rapid load transients common in automotive camera and radar modules.
What are the specifications of TPS6281326QWRWYRQ1?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PQCC-N9 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 0.6V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC9,.06X.08,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 4000kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the TPS6281326QWRWYRQ1 datasheet?
TPS6281326QWRWYRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPS6281326QWRWYRQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What automotive qualification standard does TPS6281326QWRWYRQ1 meet, and what temperature range is covered?
TPS6281326QWRWYRQ1 meets AEC-Q100 Grade 1 qualification, covering an ambient temperature range from -40°C to 125°C junction temperature. This makes it appropriate for under-hood automotive electronics such as engine control units and ADAS radar power stages where thermal stress significantly exceeds typical industrial operating conditions.
How does current-mode PWM in TPS6281326QWRWYRQ1 protect the output rail during load transients?
Current-mode PWM in TPS6281326QWRWYRQ1 provides cycle-by-cycle peak current limiting, which clamps inductor current within a single 1 µs switching cycle during a load step. This prevents output voltage droop beyond ±3% on a 3.3 V rail even at fast load transitions of 500 mA/µs, protecting downstream ADAS processors and sensor ICs from undervoltage resets.
Which automotive subsystems benefit from the 2.7 V to 6 V input range of TPS6281326QWRWYRQ1?
The 2.7 V to 6 V input range suits automotive subsystems powered from a regulated 5 V bus, including body control modules, ambient lighting controllers, and LVDS camera serializer power rails. At 2.7 V minimum input, the device also supports battery-backed 3.3 V standby rails in telematics units that must remain powered during 12 V cranking voltage drops to 3 V.
How small is the 9-pin QFN package of TPS6281326QWRWYRQ1 for compact automotive PCB layouts?
The 9-pin QFN (R-PQCC-N9) package measures approximately 2 mm × 2 mm, enabling point-of-load regulators that occupy under 10 mm² of PCB area including input and output capacitors. This form factor is critical in automotive camera modules and LiDAR sensor boards where available PCB space is often limited to 15 mm × 15 mm per power domain.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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