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.

OBSOLETEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
L99LD20Q6Quad Flat No-Lead
Quick Facts
Manufacturer
STMicroelectronics
Package
Quad Flat No-Lead
Pin Count
41
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
-40.0°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of L99LD20Q6?

  • 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

What is L99LD20Q6 used for?

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.

What are the specifications of L99LD20Q6?

YTEOL0
Data Input ModeSERIAL
Input CharacteristicsSTANDARD
Interface IC TypeLED DISPLAY DRIVER
JESD-30 CodeS-XQCC-N40
Multiplexed Display CapabilityNO
Number of Functions1
Number of Segments8
Output CharacteristicsCONSTANT-CURRENT
Output PolarityTRUE
Package Body MaterialUNSPECIFIED
Package Equivalence CodeLCC40,.24SQ,20
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG
Screening LevelAEC-Q100
Supply Current-Max30mA
Supply Voltage-Max24V
Supply Voltage-Min5.5V
Supply Voltage-Nom13V
Surface MountYES
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
fmax-Min0.4096MHz
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginThailand

Where can I find the L99LD20Q6 datasheet?

L99LD20Q6 Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for L99LD20Q6?

Compatible alternatives and drop-in replacements for L99LD20Q6:

L99LD20Q6TRSTMicroelectronics LED

Driver, 8-Segment

View Part →

Frequently Asked Questions

In which board or module scenarios is L99LD20Q6 an appropriate candidate?

The fetched product context identifies L99LD20Q6 with 8 channels; engineers should use that documented value when evaluating functional fit, interfaces, assembly constraints, and the intended operating scenario.

Why must engineers verify the 8 channels detail before approving L99LD20Q6?

Engineering review should confirm the 8 channels specification for L99LD20Q6, then cross-check the official datasheet, footprint or schematic details, operating limits, and production process before release.

What evidence should a supplier provide for a production order of L99LD20Q6?

Buyers should require quotations for the exact L99LD20Q6 ordering code and its 8 channels configuration, while checking lifecycle, traceability, packaging, lot consistency, and manufacturer documentation before approval.

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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.

AvailabilityIn Stock
Reference Price (USD)
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pcs

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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