Datasheet > ALED6001TR

ALED6001TR

更新时间： 2022-02-26 13:11:41

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
26页	460K
描述
Automotive-grade PWM-dimmable single channel LED driver

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ALED6001TR 数据手册

ALED6001

Automotive-grade PWM-dimmable single channel LED driver with

integrated boost controller

Datasheet

production data

Applications

• Automotive exterior lighting

• Daytime running lights

• High and low beam lights

• Fog lights

TSSOP-16

• Position lights / blinkers

Features

Description

• AECQ100 qualification

The ALED6001 is an automotive-grade

• Switching controller section

(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.

– 5.5 V to 36 V input voltage range

– Very low shutdown current: I_SHDN< 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

Table 1. Device summary

Order code

Package

Packaging

ALED6001

Tube

HTSSOP-16

(exposed pad)

ALED6001TR

Tape and reel

November 2015

DocID026965 Rev 2

1/26

This is information on a product in full production.

www.st.com

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