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AL5812Q

AEC-Q100 linear LED driver, 4.5-60V, 100mA, adjustable current, 2-terminal, SOT-89

7650

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Pieza del fabricante：

AL5812Q

Paquete：

SOT-89 (4.5 x 2.5 x 1.5 mm)

Marca：
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Compromiso de calidad
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Descripción

Productos

The AL5812Q is a Diodes Incorporated automotive-qualified linear LED driver supporting 4.5V to 60V input voltage with adjustable output current up to 100mA. It provides a simple two-terminal constant current source for automotive LED indicator, tail light, and interior lighting applications, requiring only one external resistor to set the LED current.

Especificaciones

Input Voltage Range 4.5V to 60V
Corriente de salida Up to 100mA (adjustable)
Current Accuracy ±5%
Dropout Voltage 1.2V typical
Temperatura de funcionamiento -40°C to +125°C
Cualificación AEC-Q100

Características

  • AEC-Q100 qualified for automotive applications
  • Wide 4.5V to 60V operating voltage range
  • Adjustable constant current with one external resistor
  • Low dropout voltage: 1.2V typical
  • Thermal shutdown protection
  • Open LED detection
  • PWM dimming capable via bias pin
  • Two-terminal (DIODE) package option

Aplicaciones

  • Automotive tail and stop lights
  • Automotive interior dome and map lights
  • Dashboard indicator LEDs
  • Automotive daytime running lights
  • Industrial LED indicators

The AL5812Q is a Diodes Incorporated AEC-Q100 qualified linear LED driver supporting 4.5V to 60V input with adjustable output current up to 100mA. It functions as a simple two-terminal constant current source, requiring only one external resistor to set the LED current. With 1.2V typical dropout voltage, ±5% current accuracy, and thermal shutdown protection, it is designed for automotive LED indicator, tail light, and interior lighting. The bias pin supports PWM dimming for brightness control.

The AL5812Q operates as a series-pass linear constant current regulator. The internal reference voltage and external current-set resistor (connected from the ADJ pin to GND) determine the LED current. The pass element maintains the programmed current through the LED string regardless of input voltage variations (within the operating range). The dropout voltage of 1.2V represents the minimum headroom needed between the input supply and the total LED string forward voltage. PWM dimming is achieved by modulating the bias pin voltage, which enables and disables the output current. Thermal shutdown activates at approximately 155°C junction temperature to protect the device.

Pin Mnemonic Descripción
1 VIN Input supply (4.5-60V), connected to LED cathode
2 GND Suelo
3 ADJ/BIAS Current set resistor / PWM dimming input
  • Automotive tail light and stop lamp LED constant current drive
  • Interior dome and map light LED strings with PWM dimming
  • Dashboard indicator LED driver with thermal protection
  • Automotive DRL supplementary LED drive with 60V input tolerance
  • Industrial 24V/48V LED indicator with single-resistor current setting
Modelo Fabricante Diferencia clave
AL5812 Diodos Inc Non-automotive version
NCR402Z onsemi 40V, 50mA linear LED driver
BCR402W Infineon 18V, 50mA linear LED driver
TL4242 TI 40V, 150mA automotive LED driver
AL5809 Diodos Inc 60V, 120mA linear LED driver
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Garantía de calidad

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Electrónica del automóvil: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
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4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

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Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

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  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
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  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
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  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
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    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

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2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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