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ALED6001TR

更新时间： 2024-11-19 01:18:15
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意法半导体 - STMICROELECTRONICS /
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26页 460K
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Automotive-grade PWM-dimmable single channel LED driver

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ALED6001TR 数据手册

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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: 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  
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  
1234567...26

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ALED6001TR 替代型号

型号 品牌 替代类型 描述 数据表
ALED6001 STMICROELECTRONICS

完全替代

 Automotive-grade PWM-dimmable single channel LED driver

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