TPS6285021HQDRLRQ1 Texas Instruments Integrated Circuit (SO Transistor Flat Lead) In Stock
TPS6285021HQDRLRQ1 is an automotive-grade current-mode PWM/PFM buck switching regulator by Texas Instruments in an 8-pin flat-lead package. It operates from 2.7 V to 6 V input with 5 V nominal, featuring automatic PWM/PFM mode switching for high efficiency across light and heavy loads. Designed for automotive infotainment, ADAS sensor rails, and battery-powered embedded systems.
- Manufacturer
- Texas Instruments
- Package
- SO Transistor Flat Lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TPS6285021HQDRLRQ1 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
- Input voltage range 2.7 V to 6 V (5 V nominal)
- Dual-mode PWM/PFM control for wide-load efficiency
- Current-mode control for fast transient response
- AEC-Q100 automotive-grade qualification
- Compact 8-pin flat-lead package
- Single-output buck converter function
- RoHS Pb-free construction
Applications
TPS6285021HQDRLRQ1 is deployed in automotive infotainment units and ADAS sensor power rails that require a compact 2.7 V to 6 V step-down converter with high efficiency across varying load conditions. It also suits battery-powered automotive accessories and telematics modules where PWM/PFM mode switching minimizes quiescent current draw during light-load standby operation.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PWM/PFM |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDSO-F8 |
| Number of Functions | 1 |
| Output Current-Max | 2A |
| Output Voltage-Max | 3.333V |
| Output Voltage-Min | 3.267V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | FL8,.05,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, ULTRA THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Supply Current-Max (Isup) | 0.048mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 4000kHz |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | FLAT |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SO Transistor Flat Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does TPS6285021HQDRLRQ1 support and what is its nominal supply voltage?
TPS6285021HQDRLRQ1 operates from a 2.7 V minimum to 6 V maximum input, with a 5 V nominal supply voltage. This range makes it compatible with regulated 5 V automotive bus rails and battery-backed systems where input can sag below 3 V during cold-crank conditions.
How does the PWM/PFM mode switching in TPS6285021HQDRLRQ1 improve efficiency at light loads?
At light loads, TPS6285021HQDRLRQ1 automatically transitions from PWM to PFM mode, reducing switching frequency and gate-drive losses. This dual-mode operation can cut quiescent current significantly compared to fixed-PWM regulators, extending battery life in automotive telematics and standby systems that spend most of their operating time below 10% of full load.
Is TPS6285021HQDRLRQ1 qualified for automotive temperature and reliability requirements?
Yes, TPS6285021HQDRLRQ1 carries AEC-Q100 automotive qualification, meaning it has been tested for reliability across the automotive temperature range from -40°C to 125°C and meets the failure-rate and screening requirements expected of automotive powertrain and infotainment components.
Which compact package does TPS6285021HQDRLRQ1 use and how does it affect PCB layout?
TPS6285021HQDRLRQ1 uses an 8-pin SO flat-lead (PSOF-8) package, which offers a smaller PCB footprint than traditional SOIC packages while maintaining exposed thermal pad options. This is advantageous in automotive designs where board space under 6 V rails is constrained by adjacent ADAS sensor or camera modules.
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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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