TPS65321AQPWPRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TPS65321AQPWPRQ1 is an automotive-grade synchronous buck converter with input voltage range of 3.6V to 36V, featuring adjustable output voltage from 1.1V to 20V and an integrated LDO regulator. Available in a compact 14-Pin HTSSOP EP package with AEC-Q100 qualification for reliable automotive use.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- TPS65321AQPWPRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3700(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
- Automotive AEC-Q100 qualified synchronous buck converter with 3.6V to 36V input range
- Adjustable output voltage from 1.1V to 20V with current-mode PWM control
- Integrated LDO regulator supporting supply voltages from 3V to 36V in a 14-Pin HTSSOP EP package
Applications
TPS65321AQPWPRQ1 is designed for automotive power management applications such as ADAS modules, infotainment systems, and body electronics requiring a wide-input DC-DC step-down conversion. Its adjustable output and integrated LDO make it suitable for powering microcontrollers and sensors in harsh automotive environments.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2017-12-02 |
| YTEOL | 15 |
| Additional Feature | ADJUSTABLE OUTPUT VOLTAGE= 1.1V TO 20V; LDO REGULATOR SUPPLY VOLTAGE= 3V TO 36V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 36V |
| Input Voltage-Min | 3.6V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 2 |
| Output Current-Max | 3.2A |
| Output Voltage-Max | 20V |
| Output Voltage-Min | 1.1V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2500kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of TPS65321AQPWPRQ1 and how does it suit automotive battery systems?
TPS65321AQPWPRQ1 supports an input voltage range of 3.6V to 36V, making it compatible with standard 12V automotive battery rails including load-dump transients up to 36V, ensuring robust operation in passenger vehicle power networks.
How adjustable is the output voltage on TPS65321AQPWPRQ1, and what load scenarios benefit most?
The output voltage is adjustable from 1.1V to 20V, allowing designers to power a wide range of loads including 1.8V microcontrollers, 3.3V sensors, and 5V peripherals from a single automotive rail without additional converters.
Which automotive qualification standard does TPS65321AQPWPRQ1 meet and what does that mean for reliability?
TPS65321AQPWPRQ1 carries AEC-Q100 automotive qualification, requiring devices to pass stress tests at temperatures from -40°C to 125°C, guaranteeing long-term reliability in underhood and cabin automotive applications.
Related Guides
EEEFK1E470P Selection Guide for 47 uF SMD Aluminum Electrolytic Capacitors
Selection guidance for EEEFK1E470P and nearby Panasonic FK or FT SMD aluminum electrolytic capacitors for power-rail bulk decoupling.
Jul 7, 2026
EEEFT1V101AP Design Guide for SMD Aluminum Electrolytic Bulk Decoupling
Design guidance for using EEEFT1V101AP as an SMD aluminum electrolytic bulk capacitor in power-rail decoupling and hold-up networks.
Jul 7, 2026
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $1.5849 | $396.22 |
| 500+ | $1.5297 | $764.83 |
| 1000+ | $1.4800 | $1480.00 |
| 2000+ | $1.4000 | $2800.00 |
| 4000+ | $1.3700 | $5480.00 |
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.”