AL8843QSP-13

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AL8843QSP-13

+Nomenclature

IC LED DRIVER RGLTR PWM 3A 8SO

  • FabricantLa société diodes

  • Pièce fabricant #AL8843QSP-13

  • En stock3651

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Spécifications

Attribut Valeur
Part Status Active
Type DC DC Regulator
Topology Step-Down (Buck)
Internal Switch(s) Yes
Number of Outputs 1
Voltage - Supply (Min) 4.5V
Voltage - Supply (Max) 40V
Current - Output / Channel 3A
Frequency 1MHz
Dimming Analog, PWM
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SO-EP
Base Product Number AL8843
Grade Automotive
Qualification AEC-Q100

Présentation

Description

The AL8843QSP-13 is a step-down DC-DC converter designed for driving LEDs. Manufactured by Diodes Incorporated, this device is optimized for efficient LED lighting applications. It operates with an input voltage range of 4.5V to 40V, making it suitable for various lighting configurations in automotive, industrial, and general illumination settings.
Key features of the AL8843QSP-13 include a switching frequency of up to 1MHz and an output current capability of up to 3A. It is designed to provide high efficiency and reduce electromagnetic interference (EMI) with its adjustable switching frequency. The device supports both analog and PWM dimming, offering flexibility in controlling LED brightness.
The AL8843QSP-13 also incorporates several protection features, including over-temperature, over-current, and LED short-circuit protection, ensuring robust performance and reliability. The device is available in a thermally enhanced package, which helps manage heat dissipation effectively.
Overall, the AL8843QSP-13 is a versatile and efficient solution for LED lighting applications, providing designers with the tools needed to create reliable and energy-efficient lighting systems.

Equivalent

The AL8843QSP-13 is a DC-DC LED driver controller. Equivalent products include the LM3406 from Texas Instruments, which is a constant current LED driver, the LT3476 from Analog Devices, a quad output LED driver, and the NCP3066 from ON Semiconductor, a monolithic switching regulator. Each of these provides similar functionality, but it is important to verify specifications and compatibility with your specific application.

Features

The AL8843QSP-13 is a highly efficient, automotive-grade LED driver IC designed for various lighting applications. Key features include:
1. Wide Input Voltage Range: Operates efficiently over a broad input voltage range, making it suitable for automotive environments.
2. High Efficiency: Offers high power efficiency, reducing energy consumption and heat generation.
3. Adjustable Output Current: Provides flexibility with adjustable output current, accommodating different LED specifications.
4. Integrated MOSFET: Includes an internal power MOSFET to simplify design and reduce component count.
5. PWM Dimming: Supports PWM dimming for precise brightness control without affecting color accuracy.
6. Protection Features: Built-in protections such as over-temperature, over-voltage, and short-circuit protection ensure reliability and longevity.
7. Compact Package: Comes in a compact package, saving space in tight design layouts.
8. Automotive Qualified: Meets AEC-Q100 standards, ensuring its suitability for automotive applications with high reliability requirements.
These features make the AL8843QSP-13 suitable for applications requiring robust LED driving solutions, particularly in automotive lighting systems.

Pinout

The AL8843QSP-13 is a step-down DC-DC converter designed for driving LEDs with a constant current. It is typically packaged in a small footprint, and the pin count for the AL8843QSP-13 is 8 pins. The primary function of this device is to efficiently convert a higher input voltage to a lower output voltage suitable for LED applications while providing a programmable constant current.
Key functions of the pins may include:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch output, connected to the inductor.
4. SET: Sets the output current by connecting a resistor to the ground.
5. CTRL/EN: Control or enable pin for dimming or turning the device on/off.
6. DIM: Accepts a PWM input for LED dimming control (if available).
7. COMP: Compensation pin for stabilizing the feedback loop (if available).
8. NC: No connection, sometimes used for thermal pad or mechanical stability.
These functions may vary slightly depending on the specific manufacturer or package type, so consulting the datasheet for detailed pin configuration and application notes is recommended.

Manufacturer

The AL8843QSP-13 is manufactured by Diodes Incorporated. Diodes Incorporated is a global company focused on the manufacturing and supply of high-quality semiconductor products. Their product portfolio includes discrete, analog, and mixed-signal products, and the company serves various applications across diverse markets, including automotive, consumer electronics, computing, communications, and industrial sectors. Diodes Incorporated is known for its reliable supply chain, extensive product range, and commitment to high-quality standards, making it a key player in the semiconductor industry.

Application

The AL8843QSP-13 is a high-efficiency, step-down DC/DC converter designed for LED driver applications. It is commonly used in automotive lighting, architectural lighting, and general-purpose LED illumination systems. The device is suitable for applications requiring precise current control and is ideal for powering high-brightness LEDs. Its features include wide input voltage range, high efficiency, and integrated protection mechanisms, making it versatile for use in various environments that demand reliable and efficient LED operation.

Package

The AL8843QSP-13 is housed in an SO-8 package. This is a surface-mount package type commonly used for integrated circuits.

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