Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
STCS05DR
STMicroelectronics
IC LED DRVR LIN PWM 500MA 8SOIC
3057 Pcs New Original In Stock
LED Driver IC 1 Output Linear PWM Dimming 500mA 8-SOIC
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (419 Ratings)
STCS05DR
Product Overview
8201646
DiGi Electronics Part Number
STCS05DR-DGManufacturer
STMicroelectronics
STCS05DR
Description
IC LED DRVR LIN PWM 500MA 8SOICInventory
3057 Pcs New Original In Stock
LED Driver IC 1 Output Linear PWM Dimming 500mA 8-SOIC
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
STCS05DR Technical Specifications
Category
Power Management (PMIC), LED Drivers
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Type
Linear
Topology
-
Internal Switch(s)
Yes
Number of Outputs
1
Voltage - Supply (Min)
4.5V
Voltage - Supply (Max)
40V
Voltage - Output
-
Current - Output / Channel
500mA
Frequency
-
Dimming
PWM
Applications
-
Operating Temperature
-40°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Base Product Number
STCS05
Datasheet & Documents
HTML Datasheet
STCS05DR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
497-6914-1
497-6914-2
STCS05DR-DG
Standard Package
2,500
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
DiGi Electronics는 항상 준비된 재고와 빠른 사후 서비스로 기대 이상을 제공합니다.
December 02, 2025
Der Versandprozess ist transparent, schnell und sehr professionell durchgeführt.
December 02, 2025
DiGi Electronics's commitment to quality is palpable in every product.
December 02, 2025
I am impressed with their dedication to quality; each product feels sturdy and built to last.
December 02, 2025
DiGi Electronics offers products that are both reliable and swiftly delivered—absolutely fantastic.
December 02, 2025
Having consistent stock availability and prompt support has made our procurement process much smoother.
December 02, 2025
Shipping has always been prompt and secure, no complaints whatsoever.
December 02, 2025
Their friendly customer service team goes above and beyond to assist, creating a truly positive shopping experience.
December 02, 2025
The logistics tracking system for my order was top-notch — I received real-time updates every step of the way, which made me feel confident about the delivery process.
December 02, 2025
Pricing that fits my budget perfectly, combined with eco-conscious packaging—great job.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the STCS05DR LED driver safely replace a legacy AL5810 in a 12V automotive interior lighting design without requiring major circuit changes?
The STCS05DR can replace the AL5810 in many 12V automotive applications, but key differences must be evaluated. While both are linear LED drivers with similar current regulation (~500mA), the STCS05DR supports a wider input voltage range (4.5V to 40V vs. AL5810’s 3V to 40V) and includes built-in PWM dimming control, which the AL5810 lacks. However, the STCS05DR requires an external PWM signal for dimming, whereas the AL5810 uses analog voltage control. Ensure your system can generate a stable PWM signal; otherwise, additional circuitry may be needed. Also, verify thermal performance—STCS05DR’s 8-SOIC package has better thermal characteristics than the AL5810’s SOT-26, but power dissipation at high Vin-Vout differentials still demands proper PCB copper area for heat spreading.
What are the thermal risks when using the STCS05DR to drive a 500mA LED string from a 36V supply, and how should the PCB be designed to avoid premature failure?
Driving a 500mA load from 36V with the STCS05DR creates significant power dissipation—up to 15W if the LED forward voltage is low (e.g., 3V), though realistically ~10–12W in typical mid-power LED strings. This exceeds the safe operating area without aggressive thermal management. The junction temperature can easily surpass 150°C under these conditions, risking thermal shutdown or long-term reliability issues. To mitigate this, use a large thermal pad on the PCB with multiple vias to an internal ground plane, minimize trace resistance, and consider a heatsink if ambient temperature exceeds 50°C. STMicroelectronics recommends keeping the total thermal resistance (θJA) below 50°C/W; aim for a copper area of at least 250mm² on the top layer. Always validate with thermal imaging during prototype testing.
Is the STCS05DR suitable for high-reliability industrial lighting systems operating continuously at 85°C ambient, and what derating practices should be applied?
Yes, the STCS05DR is rated for operation up to 150°C junction temperature and can be used in industrial environments at 85°C ambient, but strict derating is essential. At 85°C ambient, the allowable power dissipation drops significantly due to the reduced thermal headroom. For example, with θJA ≈ 60°C/W in a standard 8-SOIC package, maximum allowable dissipation is roughly 1.1W—limiting usable output current or requiring reduced input-output voltage differential. Derate the output current by at least 20% and ensure the LED forward voltage is as high as possible to minimize (Vin – Vf) × Iout losses. Additionally, perform accelerated life testing under worst-case conditions to validate long-term reliability, especially since MSL1 rating allows unlimited floor life but doesn’t guarantee performance under sustained high-temperature stress.
How does the STCS05DR compare to the TI TLC5916 in terms of integration, noise, and suitability for PWM dimming in EMI-sensitive medical lighting applications?
The STCS05DR and TI TLC5816 serve different design philosophies: the STCS05DR is a single-channel linear driver optimized for simplicity and low noise, while the TLC5916 is an 8-channel constant-current sink with shift register interface. For EMI-sensitive medical lighting requiring clean PWM dimming, the STCS05DR has an advantage due to its analog linear regulation and absence of switching noise—unlike switch-mode drivers. However, the TLC5916 supports higher channel counts and digital control, which may simplify MCU interfacing. The STCS05DR’s PWM input accepts standard logic-level signals (3.3V/5V compatible), enabling precise dimming without dithering. In contrast, the TLC5916 uses internal clocking that can introduce digital noise. If your design needs only one channel and prioritizes signal integrity, the STCS05DR is superior; for multi-LED arrays with centralized control, consider the TLC5916 but add careful grounding and shielding.
Can the STCS05DR be used in a battery-powered outdoor signage application with fluctuating supply voltages from 6V to 30V, and what protection circuitry is recommended?
Yes, the STCS05DR is well-suited for battery-powered outdoor signage due to its wide 4.5V–40V input range and robust operation down to -40°C. However, voltage transients from inductive loads or solar charge controllers can exceed 40V, risking device damage. Always include a TVS diode (e.g., SMAJ33A) at the input to clamp transients below 40V, and add a reverse-polarity protection diode (e.g., SB540 Schottky) if battery connection errors are possible. Since the STCS05DR lacks overtemperature shutdown indication, monitor junction temperature indirectly via PCB thermals or implement a watchdog circuit. Also, use a low-ESR input capacitor (≥10µF ceramic) close to the VIN pin to stabilize supply during PWM transitions. For long-term reliability in humid environments, conformal coating is recommended despite the MSL1 rating.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
STCS05DR CAD Models
STMicroelectronics STCS05DR PCB symbols & footprints
productDetail
