FL7930BMX-G Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Ballast Controller
Frequency:	250kHz ~ 350kHz
Voltage - Supply:	13 V ~ 20 V
Current - Supply:	2.5mA
Current - Output Source/Sink:	--
Dimming:	No
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOP
Base Part Number:	FL7930

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<p>The FL7930BMX-G is a charge pump integrated circuit, which is used to control LED back lights and LED LCD panel drivers. It is a medium-power LED driver, ideal for LED applications with low thermal dissipation, low power consumption and long working life. The key features and applications of this solution are detailed in this article.</p><h2>Applications</h2><p>The FL7930BMX-G is typically used for LCD TV, monitor, notebook and other display applications. It supports a wide voltage range from 9V to 24V, and a wide frequency range from 50Hz to 300Hz, making it ideal for driving small to medium size LEDs. The device supports up to 5 channels for configuring different current densities. It provides excellent charge pump ripple efficiency and a low stand-by current of 1uA. The device is fully compliant with the specifications of various safety standards.</p><h2>Key Features</h2><ul><li>Supports LED backlights and LED LCD panel drivers</li><li>Supports up to 5 channels of current densities</li><li>Wide voltage range from 9V to 24V</li><li>Wide frequency range from 50Hz to 300Hz</li><li>Excellent charge pump ripple efficiency</li><li>Low stand-by current of 1uA</li><li>Compatible with various safety standards</li></ul><h2>Working Principle</h2><p>The FL7930BMX-G works by the charge pump circuit that exchanges constant and no external energy sources over a two-capacitor network. It has an internal oscillator to exchange energy sources and limit the charge taken by the capacitor(s). Since the capacitors are always shorted, the capacitor energy substitutes the output voltage. The maximum total output current can be defined by one resistor, and the current in each channel is adjustable by configuring the current setting resistors.</p><p>The device also has a wide working frequency range from 50Hz to 300Hz. This allows for the device to be used in a wide range of applications, from driving small low power LEDs to driving medium to high power LEDs. The FL7930BMX-G also includes several features to protect the LED lights, such as short LED protection, over voltage protection and over temperature protection.</p><h2>Conclusion</h2><p>The FL7930BMX-G is an ideal medium power LED driver for LCD TVs, monitors, notebooks, and other displays. It supports up to 5 channels of current densities, and offers wide voltage and frequency ranges for flexibility. The device also provides excellent charge pump ripple efficiency and low stand-by current. With its superior features and compliance with various safety standards, the FL7930BMX-G is a reliable solution for LED lighting applications.</p>

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