500W BOOST CONVERTER FOR CAR AUDIO
- TL494
USER’S GUIDE
2004-2013 Sure Electronics Inc.
PS-SP12148_Ver1.0_Page 4
2.1 Input Connection
A high-performance power supply is important for a 500W Boost Converter for CAR
Audio - TL494 to output voltage and work stably. Pay attention to the polarity when
connecting power supply.
2.2 Output Connection
Before power the amplifier, please test if the voltage is what you want and pay attention
to the polarity.
2.3 Enable Pin Connection
When EN pin is suspended or grounded, boost converter works.
When EN pin connects to DC12V, boost converter won’t work.
2.4 LED Indicator
This 500W Boost Converter for CAR Audio - TL494 has one LED indicator which shows
the current operation status. The indicator will be constantly illuminated in green when
the converter works normally.
FIGURE 1-2 LED INDICATOR
Chapter 2. Hardware Detail
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