TL4050A50QDCKRQ1 Texas Instruments In Stock
TL4050A50QDCKRQ1 is a 5.0V precision micropower shunt voltage reference by Texas Instruments, qualified for automotive applications. Key specs: 0.5% initial accuracy, 50ppm/°C temperature coefficient, 100µA to 15mA operating current range. From $1.45, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $1.4500(MOQ 133)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL4050A50QDCKRQ1?
- 5.0V fixed shunt voltage reference with 0.5% initial accuracy
- Ultra-low temperature coefficient of 50ppm/°C for stable precision
- AEC-Q100 qualified for automotive-grade reliability
- Wide operating current range: 100µA to 15mA
- SOT-23-5 (DCK) compact package for space-constrained designs
- Low dynamic impedance for excellent line regulation
What is TL4050A50QDCKRQ1 used for?
TL4050A50QDCKRQ1 is widely used in automotive systems such as instrument clusters, ADAS modules, and engine control units where a stable 5V reference is critical. It also serves industrial applications including precision ADC/DAC references, battery-powered measurement equipment, and portable instrumentation. Its AEC-Q100 qualification and tight accuracy make it ideal for safety-relevant automotive analog front-ends.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for TL4050A50QDCKRQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and accuracy of the TL4050A50QDCKRQ1?
The TL4050A50QDCKRQ1 provides a fixed 5.0V shunt reference voltage with an initial accuracy of ±0.5% (±25mV). This precision, combined with a temperature coefficient of 50ppm/°C, ensures stable voltage reference performance across the automotive temperature range of -40°C to +125°C.
Is TL4050A50QDCKRQ1 suitable for automotive applications?
Yes. The TL4050A50QDCKRQ1 is AEC-Q100 qualified, making it fully rated for automotive use. It operates reliably from -40°C to +125°C and is commonly designed into instrument clusters, ADAS sensor modules, powertrain control units, and other automotive electronics requiring a precise voltage reference.
What package does the TL4050A50QDCKRQ1 come in?
The TL4050A50QDCKRQ1 is available in a SOT-23-5 (DCK) surface-mount package. This small 5-pin package is ideal for compact, high-density PCB layouts common in automotive and portable industrial designs.
What is the operating current range for TL4050A50QDCKRQ1?
The TL4050A50QDCKRQ1 operates over a wide cathode current range of 100µA to 15mA, allowing flexible circuit design. Its low minimum operating current of 100µA makes it well-suited for low-power and battery-operated applications where quiescent current budget is tight.
What are common alternatives to the TL4050A50QDCKRQ1?
Common alternatives include the TL4050B50QDCKRQ1 (higher 0.2% accuracy version), the REF5050 for higher-performance applications, and the LM4050 series from Texas Instruments. When selecting a replacement, match the 5.0V output, accuracy grade, temperature coefficient, package, and automotive qualification requirements.
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 |
|---|---|---|
| 133+ | $2.2600 | $300.58 |
| 250+ | $2.0300 | $507.50 |
| 500+ | $1.6300 | $815.00 |
| 1000+ | $1.5400 | $1540.00 |
| 10000+ | $1.4500 | $14500.00 |
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.”