ALED6001

量産中
Design Win Education

Automotive grade PWM-dimmable single channel LED driver with integrated boost controller

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製品概要

概要

The ALED6001 is an automotive-grade (AECQ100 compliant) LED driver that combines a boost controller and high-side current sensing circuitry optimized for driving one string of high-brightness LEDs. The device is compatible with multiple topologies such as boost, SEPIC and floating load buck-boost. PWM dimming of the LED brightness is achieved by means of an external MOSFET in series with the LED string and directly driven by a dedicated pin. The pin that manages the LED current setting, usually connected to an external resistor, can also be used as analog control if a microcontroller is located in the LED module. The high-side current sensing, in combination with a P-channel MOSFET, provides effective protection in case the positive terminal of the LED string is shorted to ground. The high precision current sensing circuitry allows an LED current regulation reference within ± 4% accuracy over the entire temperature range and production spread. A fault output (open-drain) informs the host system of faulty conditions: device overtemperature, output overvoltage (disconnected LED string) and LED overcurrent.

  • 特徴

    • AECQ100 qualification
    • Switching controller section
      • 5.5 V to 36 V input voltage range
      • Very low shutdown current: ISHDN < 10 μA
      • Internal +5 V LDO for gate driver supply
      • Internal +3.3 V LDO for device supply
      • Fixed frequency peak current mode control
      • Adjustable (100 kHz to 1 MHz) switching frequency
      • External synchronization for multi-device applications
      • High performance external MOSFET driver
      • Cycle-by-cycle external MOSFET OCP
      • Fixed internal soft-start
      • Programmable output OVP
      • Boost, buck-boost and SEPIC topologies supported
      • Thermal shutdown with autorestart
      • Output short-circuit detection
    • LED control section
      • Up to 60 V output voltage
      • Constant current control loop
      • High-side output current sensing circuitry
      • 30 to 300 mV differential sensing voltage
      • ± 4% output current reference accuracy
      • Output overcurrent protection
      • Sensing resistor failure protection
      • PWM dimming with auxiliary series switch
      • Analog dimming

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

LED Lighting Design Tool

Handles AC-DC and DC-DC design in common topologies
Displays interactive and annotated schematic
Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
LEDドライバ
Choose type:
Input Specification
Input Specification
V
This option is required. And must be less than or equal to Volt. Max [V]
V
This option is required. And must be greater than or equal to Volt. Min [V]
Output LED
V
This option is required.
A
This option is required.
Ω
This option is required.
LEDs
This option is required
This option is required
出力: 0

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品質 & 信頼性

製品型番 マーケティング・ステータス パッケージ グレード RoHSコンプライアンスグレード 材料宣誓書**
ALED6001TR
量産中
HTSSOP16 オートモーティブ Ecopack2

ALED6001TR

Package:

HTSSOP16

Material Declaration**:

Marketing Status

量産中

Package

HTSSOP16

Grade

Automotive

RoHS Compliance Grade

Ecopack2

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ALED6001TR
Available at distributors

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ALED6001TR 量産中

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ALED6001TR

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(*)概算用の参考価格(US$)です。現地通貨でのお見積りについては、STのセールス・オフィスまたは販売代理店までお問い合わせください。