L99LD20Q6 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
The L99LD20Q6 is an 8-channel constant-current high-power LED driver IC from STMicroelectronics designed for automotive lighting applications. It features a serial SPI interface in a 40-pin QFN package, available in stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 41
- Lifecycle
- OBSOLETE
- Datasheet
- L99LD20Q6 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-channel constant-current LED driver with serial SPI interface optimized for automotive exterior and interior lighting control
- AEC-Q100 qualified 40-pin QFN package (S-XQCC-N40) delivers reliable operation in harsh automotive temperature environments
- Constant-current output with true output polarity ensures consistent LED brightness independent of supply voltage variations
Applications
The L99LD20Q6 is designed for automotive lighting systems including adaptive front lighting, daytime running lights, and interior ambient lighting modules where reliable constant-current LED drive is required. Its 8-channel serial-input architecture suits body control module designs that manage multiple LED strings from a single automotive-grade IC.
Specifications
| YTEOL | 0 |
| Data Input Mode | SERIAL |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | S-XQCC-N40 |
| Multiplexed Display Capability | NO |
| Number of Functions | 1 |
| Number of Segments | 8 |
| Output Characteristics | CONSTANT-CURRENT |
| Output Polarity | TRUE |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC40,.24SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG |
| Screening Level | AEC-Q100 |
| Supply Current-Max | 30mA |
| Supply Voltage-Max | 24V |
| Supply Voltage-Min | 5.5V |
| Supply Voltage-Nom | 13V |
| Surface Mount | YES |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| fmax-Min | 0.4096MHz |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for L99LD20Q6:
Frequently Asked Questions
How many LED channels does the L99LD20Q6 drive and what control interface does it use?
The L99LD20Q6 drives 8 independent LED channels using constant-current outputs controlled through a serial SPI data interface, making it efficient for automotive body controllers managing multiple lighting zones from a single microcontroller SPI bus.
In which automotive lighting designs is the L99LD20Q6 most commonly deployed?
The L99LD20Q6 is commonly used in automotive daytime running light (DRL) modules, adaptive headlight systems, and interior ambient lighting controls, where its 8-channel constant-current architecture in a 40-pin QFN package enables reliable per-channel LED brightness management.
What package does the L99LD20Q6 use and how does it support high-temperature automotive environments?
The L99LD20Q6 is housed in a 40-pin Quad Flat No-Lead (QFN) package with JESD-30 code S-XQCC-N40, which provides low thermal resistance and is AEC-Q100 qualified for automotive temperature grades, supporting reliable operation across the -40°C to +125°C automotive temperature range.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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