TPS78533BQWDRBRQ1 Texas Instruments Power Management ICs (SON-8) In Stock
TPS78533BQWDRBRQ1 is an automotive-grade 1 A fixed-output LDO linear regulator by Texas Instruments with 4.05 V to 6 V input range. Key specs: 315 mV maximum dropout voltage, AEC-Q100 automotive qualification, 8-pin SON package. From $0.80, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SON-8
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- TPS78533BQWDRBRQ1 Datasheet PDF
- Category
- Power Management ICs
- Price
- From $0.7550(MOQ 250)
- 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 TPS78533BQWDRBRQ1?
- AEC-Q100 automotive qualification ensures reliable 3.3 V regulation in harsh vehicle temperature environments
- Ultra-low 315 mV maximum dropout voltage extends battery runtime in 5 V automotive rail applications
- High-accuracy 1 A output current with RoHS-compliant 8-pin SON package supports dense automotive PCB layouts
What is TPS78533BQWDRBRQ1 used for?
TPS78533BQWDRBRQ1 is designed for automotive body electronics, ADAS sensor modules, and infotainment systems requiring a stable 3.3 V supply from 5 V rails with minimal dropout. Its AEC-Q100 qualification and 1 A output rating make it a reliable power source for automotive microcontrollers, CAN transceivers, and sensor interface ICs operating across the -40°C to 125°C temperature range.
What are the specifications of TPS78533BQWDRBRQ1?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.315V |
| Dropout Voltage1-Nom | 0.315V |
| Input Voltage Absolute-Max | 6.5V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 4.05V |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.004% |
| Load Regulation-Max | 0.015% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 3.3561V |
| Output Voltage1-Min | 3.2439V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.12,25 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 1.7% |
| Package | SON-8 |
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 TPS78533BQWDRBRQ1 datasheet?
TPS78533BQWDRBRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPS78533BQWDRBRQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What dropout voltage does TPS78533BQWDRBRQ1 achieve at 1 A output current?
The TPS78533BQWDRBRQ1 achieves a maximum dropout voltage of 315 mV at full 1 A output load, meaning it maintains regulation when the input supply drops to within 315 mV of the output. This low dropout extends usable battery capacity in automotive 5 V rail systems where supply voltage can sag during cold-crank events.
Which automotive safety standards qualify the TPS78533BQWDRBRQ1 for vehicle electronics?
TPS78533BQWDRBRQ1 carries AEC-Q100 automotive qualification, the industry-standard stress-test specification for integrated circuits used in vehicle applications. This qualification validates device reliability over the full -40°C to 125°C junction temperature range expected in under-hood and passenger-compartment automotive environments, providing confidence for ADAS and body-control module designs.
How does TPS78533BQWDRBRQ1 compare to a standard LDO when powering a 3.3 V automotive MCU from a 5 V bus?
Standard LDOs often have dropout voltages of 500 mV to 1 V, while the TPS78533BQWDRBRQ1 drops only 315 mV maximum at 1 A, recovering regulation sooner during 5 V bus sags. Its AEC-Q100 rating also eliminates the need for additional qualification testing, reducing design cycle time and BOM cost for 3.3 V automotive microcontroller power rails.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.9502 | $237.54 |
| 500+ | $0.9141 | $457.04 |
| 1000+ | $0.8270 | $827.00 |
| 3000+ | $0.7730 | $2319.00 |
| 6000+ | $0.7550 | $4530.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”