LD1204 Motorcycle Direction Indicator Flasher ASIC

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Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin:	Liaoning in China
Packaging Details:	tape and reel or tube packing

Quick Details

Description

LD1204 is a driver ASIC that used in automotive and motorcycle direction indicator lamp unit. The IC has

a frequency conversion function, when the load current is less than the internal set threshold, the flasher

frequency doubling. At the same time it has multiple protection functions, such as over-current protection,

over-temperature protection, high-voltage clamp, under-voltage protection and battery reverse protection,

to ensure that in different circumstances the normal functions of the chip. Chip peripheral circuit is simple,

just a external capacitor (220uF,10V ) that connected with the CEXT pin and OUT pin, while Vcc pin is

connected to the positive terminal of the battery, the OUT pin connected to a switch ( which set between the

OUT pin of chip and the direction indicator lamp ). When the switch turn on, chip generates a duty ratio of

about 50% for the direction indicator control signal.

Features

● Built-in fixed frequency oscillator

External capacitor does not affect the flash frequency

● Double frequency flashing in low load conditions

● Cycle by cycle over temperature shutdown

● Battery reverse protection

●Cycle by cycle over current protection

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