TPS6281020QWRWYRQ1 Texas Instruments Integrated Circuit (Other) In Stock
TPS6281020QWRWYRQ1 is an automotive-grade current-mode PWM/PFM synchronous buck converter from Texas Instruments with 2.7–6 V input range and 0.6–5.5 V adjustable output. Key specs: AEC-Q100 qualified, 20 A output current capability, high-efficiency operation across light and heavy loads. RoHS compliant, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 13
- Lifecycle
- ACTIVE
- Datasheet
- TPS6281020QWRWYRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 automotive-qualified design supporting harsh-environment applications with extended temperature and reliability requirements
- Wide 2.7 V to 6 V input voltage range covering automotive 5 V rail and Li-ion battery sources
- Dual-mode PWM/PFM control achieving high efficiency across the full load range from light to heavy loads
- Adjustable output voltage from 0.6 V to 5.5 V with current-mode control for fast transient response and inherent current limiting
Applications
The TPS6281020QWRWYRQ1 is designed for automotive infotainment systems, ADAS modules, cluster displays, and body control units requiring AEC-Q100-qualified point-of-load DC-DC conversion from a 5 V automotive rail. It is also well-suited for industrial IoT gateways, battery-powered portable instruments, and multi-rail power trees where high efficiency across varying load conditions is critical. Its adjustable output spanning 0.6 V to 5.5 V makes it flexible for powering SoCs, FPGAs, microcontrollers, and memory devices from a single converter.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2019-05-09 |
| YTEOL | 15 |
| Additional Feature | PFM TECHNIQUE ALSO USED; VOUT=(0.6 TO 5.5VOLT) |
| 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 | 4A |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 0.6V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC9,.08X.12,25 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 4000kHz |
| Temperature Grade | AUTOMOTIVE |
| 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 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS6281020QWRWYRQ1:
Switching Regulator, Current-mode, 4A, 4000kHz Switching Freq-Max, PQCC9
Frequently Asked Questions
What input voltage range does the TPS6281020QWRWYRQ1 support?
The TPS6281020QWRWYRQ1 accepts an input voltage from 2.7 V to 6 V, with a nominal input of 5 V. This range is compatible with standard automotive 5 V power rails, Li-ion battery outputs, and USB power sources, giving designers flexibility to use a single device across multiple platform configurations.
What output voltage range and control method does the TPS6281020QWRWYRQ1 use?
The TPS6281020QWRWYRQ1 provides an adjustable output voltage from 0.6 V to 5.5 V, set via an external resistor divider. It uses current-mode PWM control for precise regulation and fast transient response, with automatic transition to PFM (Pulse Frequency Modulation) at light loads to maintain high efficiency across the full operating range.
Is the TPS6281020QWRWYRQ1 automotive qualified?
Yes, the TPS6281020QWRWYRQ1 is AEC-Q100 automotive qualified, as indicated by the 'Q1' suffix in its part number. This qualification confirms the device has passed the stringent automotive reliability and stress testing standards required for use in vehicle electronics, including infotainment, ADAS, instrument clusters, and body control modules.
What switching topology does the TPS6281020QWRWYRQ1 use and what are its efficiency benefits?
The TPS6281020QWRWYRQ1 implements a synchronous buck (step-down) switching topology with an integrated high-side and low-side MOSFET. The synchronous rectification eliminates the need for an external Schottky diode and reduces conduction losses significantly, enabling high conversion efficiency especially at medium-to-heavy loads typical of automotive and industrial applications.
What package and environmental compliance does the TPS6281020QWRWYRQ1 carry?
The TPS6281020QWRWYRQ1 is RoHS compliant (Pb-free) and was introduced in May 2019 with a YTEOL rating of 15 years, indicating long-term availability for automotive design-in programs. It is supplied in a WSON/QFN-style package optimized for low thermal resistance and compact PCB footprint, suitable for automated SMT assembly in high-volume automotive and industrial production.
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