PPS74501PQWDRBRQ1 Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
PPS74501PQWDRBRQ1 is an automotive-grade 500 mA adjustable LDO voltage regulator from Texas Instruments with a 1.5 V to 6 V input range and a maximum dropout voltage of 0.91 V. It features high PSRR, low quiescent current, and a power-good output in an 8-pin SON package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 9
- Lifecycle
- OBSOLETE
- Datasheet
- PPS74501PQWDRBRQ1 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
What are the key features of PPS74501PQWDRBRQ1?
- 500 mA output current with 0.72 V nominal dropout voltage at full load, enabling low-loss linear regulation in 3.3 V and 5 V automotive supply rails
- High power-supply rejection ratio (PSRR) attenuates switching noise from upstream DC-DC converters, ensuring clean regulated output for sensitive RF and analog circuits
- AEC-Q100 automotive qualified with integrated power-good flag output and -40°C to 125°C operating range for reliable automotive ECU power management
What is PPS74501PQWDRBRQ1 used for?
The PPS74501PQWDRBRQ1 is designed for post-regulation and noise filtering in automotive ECUs where a clean low-noise supply rail is required for analog, RF, or sensor circuits downstream of a switching regulator. Its 500 mA output capacity and adjustable output voltage from 1.5 V to 6 V make it suitable for ADAS sensor modules, infotainment subsystems, and telematics units operating from 3.3 V or 5 V regulated buses. The power-good output enables sequencing logic in multi-rail automotive designs to delay processor startup until the LDO output is within regulation.
What are the specifications of PPS74501PQWDRBRQ1?
| Date Of Intro | 2020-02-07 |
| YTEOL | 0 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.91V |
| Dropout Voltage1-Nom | 0.72V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 1.5V |
| JESD-30 Code | S-PDSO-N8 |
| Line Regulation-Max (%/V) | 0.3022 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.5A |
| Output Voltage1-Max | 5.5V |
| Output Voltage1-Min | 0.55V |
| 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 |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the PPS74501PQWDRBRQ1 datasheet?
PPS74501PQWDRBRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PPS74501PQWDRBRQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output current and dropout voltage does PPS74501PQWDRBRQ1 provide at full load?
PPS74501PQWDRBRQ1 delivers up to 500 mA of output current with a nominal dropout voltage of 0.72 V and a maximum of 0.91 V at full load. This low dropout allows regulation from a 3.3 V input down to approximately 2.4 V output, making it effective for post-regulation of switching converter outputs in space-constrained automotive ECU designs.
Why is high PSRR important for PPS74501PQWDRBRQ1 in automotive sensor and RF applications?
High PSRR in PPS74501PQWDRBRQ1 attenuates switching noise from upstream 12 V to 5 V DC-DC converters, preventing ripple at 100 kHz to 2 MHz from corrupting the regulated output rail. ADAS radar sensors, CAN transceivers, and analog signal chains require a supply with less than 1 mV ripple; the high PSRR of this LDO achieves that without additional filter capacitors.
What does the power-good output on PPS74501PQWDRBRQ1 enable in multi-rail automotive designs?
The power-good output on PPS74501PQWDRBRQ1 asserts a logic-high signal when the LDO output has risen within approximately 92% of its nominal regulated voltage. This open-drain flag can drive a microcontroller reset pin or enable line, creating a power-sequencing chain where a processor or FPGA starts only after the 1.8 V or 3.3 V rail reaches regulation, preventing lockup or incorrect initialization in automotive ECU power-up sequences.
How does PPS74501PQWDRBRQ1 compare to a non-automotive LDO such as TLV733 for automotive ECU designs?
PPS74501PQWDRBRQ1 is AEC-Q100 Grade 1 qualified for operation from -40°C to 125°C junction temperature and undergoes automotive PPAP documentation requirements, while TLV733 targets consumer and industrial applications without AEC qualification. For automotive ECU designs subject to IATF 16949 traceability and DFMEA requirements, the PPS74501PQWDRBRQ1 is the compliant choice, delivering 500 mA output current in the same 8-pin SON package footprint.
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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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