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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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
ADSP-BF706BCPZ-4 Selection Guide: How to Choose a Blackfin+ DSP for Your Embedded Design
Compare ADSP-BF706BCPZ-4, BF548BBCZ-5A, and BF512BSWZ-4 on clock speed, memory, peripherals, and power to select the right Blackfin+ DSP.
Jun 10, 2026
ADC128S102 Selection Guide: How to Choose the Right 8-Channel 12-Bit SAR ADC
Compare ADC128S102 variants by supply voltage, temperature range, package, and qualification to pick the right 8-channel 12-bit SAR ADC for your design.
Jun 10, 2026
Common-Mode Filter + ESD Design Guide for High-Speed Differential Interfaces
How to choose between integrated CMF+ESD devices (ECMF02-2AMX6, ECMF02-4CMX8) and discrete ESD arrays for USB 2.0/3.x, MIPI, and HDMI interfaces—covering line count, bandwidth, clamping voltage, and package selection.
Jun 9, 2026
High-Capacitance MLCC Selection Guide: 22 µF vs 10 µF, X7R, 0805 to 1210
Learn how to choose between 22 µF and 10 µF X7R MLCCs (0805–1210). Covers DC bias derating, voltage rating, case size, and recommended Samsung CL-series parts.
Jun 9, 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.”