ALED6001(2015) Datasheet - STMicroelectronics

Description

   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. 

Features

• AECQ101 qualified

• 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

Applications

• Automotive exterior lighting

• Daytime running lights

• High and low beam lights

• Fog lights

• Position lights / blinkers