Automotive-Compliant, Three-Channel, Linear LED Driver from Diodes Incorporated Provides Independent Controls for Brightness and Color
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Insights
The release of Diodes Incorporated's new automotive-compliant linear LED driver, the AL1783Q, presents a significant advancement in the automotive lighting market. The ability to independently control brightness and color, coupled with enhanced safety features like animated turning signals, aligns with the growing trend of human-centric design in vehicle interiors. This product innovation is likely to cater to the increasing consumer demand for personalization and comfort within automotive spaces.
From a business standpoint, Diodes Incorporated's strategic move to design the AL1783Q to operate from a 55V rail is noteworthy. As the industry shifts towards higher voltage rails, this positions the AL1783Q competitively, potentially capturing market share from other LED drivers limited to 40V operation. The increased current capacity of 250mA per channel also indicates a targeted approach to address diverse lighting applications, broadening the potential customer base.
Investors should be aware of the implications of the AL1783Q's introduction on Diodes Incorporated's market position. Given the product's alignment with industry trends and its technical advantages, it could stimulate sales growth, particularly in the electric vehicle (EV) and internal combustion engine (ICE) vehicle segments. However, the impact on the stock market would depend on the product's market adoption and the company's ability to scale production effectively.
The technical specifications of the AL1783Q linear LED driver illustrate a forward-thinking approach to automotive lighting solutions. The external REF pin for LED current settings and independent dimming controls for each channel offer a level of customization that is highly desirable in modern automotive design. Moreover, the pulse width modulation (PWM) feature for LED dimming is a standard method for controlling light intensity, offering precision and energy efficiency.
The thermal robustness of the AL1783Q, housed in a TSSOP-16EP package with an exposed cooling pad, is a critical factor for reliability. Thermal management is a key challenge in LED drivers and this design choice likely enhances the product's lifespan and safety. The inclusion of multiple fault detection features such as undervoltage lockout (UVLO) and overvoltage protection (OVP), as well as LED open and short circuit detection, further underscores the emphasis on reliability and safety in the product's design.
For stakeholders, the technical advantages of the AL1783Q could result in lower maintenance costs and longer service intervals for vehicle lighting systems. However, the increased power capacity and current delivery may also necessitate a review of existing electrical system designs to fully leverage the benefits of this driver.
The availability of the AL1783Q at a competitive price point suggests that Diodes Incorporated has effectively managed its supply chain to keep production costs in check. The use of IATF 16949 certified facilities and support for PPAP documentation indicates a commitment to quality and reliability, which are critical in the automotive supply chain. This level of standardization can facilitate integration into the existing automotive manufacturing processes and may enhance the appeal to OEMs and Tier 1 suppliers.
Given the AL1783Q's compliance with AEC-Q100 standards, it is positioned to meet the stringent requirements of the automotive industry, potentially leading to widespread adoption. The impact on the supply chain will be contingent on Diodes Incorporated's capacity to meet the anticipated demand and their ability to maintain product quality and consistency as production scales up.
For the broader market, the introduction of the AL1783Q could influence competitors to accelerate their own product development to keep pace, potentially leading to innovation and price adjustments across the industry. The long-term effect on the supply chain will depend on the rate of adoption and the ability of manufacturers to integrate this new technology into their product lines.
Human-centric automotive design is driving the demand for multi-channel LED drivers, which allow vehicle occupants to easily change interior lighting colors to match their mood. By simultaneously enabling animated turning-indicator signals and exterior grill lighting for different road conditions, these drivers help increase safety levels. The AL1783Q driver has LED current settings by an external REF pin, independent dimming controls for each channel, and pulse width modulation (PWM) to perform LED dimming. It is well-suited for multiple interior and exterior lighting applications in electric vehicles (EV) and internal combustion engine (ICE) vehicles.
The automotive industry is trending towards using higher voltage rails to power vehicle subsystems and this has seen battery voltages increasing from 12V and 24V to 48V. In response to this development, the AL1783Q has been designed to operate from a 55V rail, providing it with an advantage over other LED drivers which typically only operate up to 40V. This feature also enables the AL1783Q to support increasing LED chain voltages.
Another advantage of this driver is that it delivers up to
Thermal robustness is an important consideration when designing with linear LED drivers and, for this reason, the AL1783Q is housed in a thermally efficient TSSOP-16EP package that has an exposed cooling pad for superior heat dissipation. For added system level reliability, the AL1783Q has multiple fault detection features including undervoltage lockout (UVLO) and overvoltage protection (OVP), as well as the ability to detect LED open and short circuit conditions.
The AL1783Q is automotive compliant* — qualified to AEC-Q100, manufactured in IATF 16949 certified facilities, and supporting PPAP documentation. Supplied in the space-saving TSSOP-16EP (5.1mm x 6.6mm) package, the AL1783Q is available at
About Diodes Incorporated
Diodes Incorporated (Nasdaq: DIOD), a Standard and Poor’s SmallCap 600 and Russell 3000 Index company, delivers high-quality semiconductor products to the world’s leading companies in the automotive, industrial, computing, consumer electronics, and communications markets. We leverage our expanded product portfolio of discrete, analog, and mixed-signal products and leading-edge packaging technology to meet customers’ needs. Our broad range of application-specific solutions and solutions-focused sales, coupled with worldwide operations of 32 sites, including engineering, testing, manufacturing, and customer service, enables us to be a premier provider for high-volume, high-growth markets. For more information visit www.diodes.com.
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Gurmeet Dhaliwal
Director, Investor Relations & Corporate Marketing
Diodes Incorporated
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