BD8154EFV-E2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	TFT-LCD Monitors
Current - Supply:	4mA
Voltage - Supply:	6 V ~ 18 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SOP
Base Part Number:	BD8154

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BD8154EFV-E2 Application Field and Working PrinciplePower management integrated circuits (PMICs) are essential components in modern electronics, providing the ability to monitor, control and convert power. They come in many shapes and sizes, from very simple voltage regulators to complex multi-phase power controllers. One of the most popular types of PMICs is the specialized PMIC. Such integrated circuits are tailored for specific applications, such as motor control or LED backlighting, and incorporate additional features to expand their capabilities. The BD8154EFV-E2 is one example of a specialized PMIC designed for LED backlighting applications.The BD8154EFV-E2 is an LED backlight control IC with integrated feedback loop designed to meet the highest requirements of advanced LCD backlighting systems. It features an advanced current control method, allowing it to adjust the light intensity quickly and accurately. The device also offers a wide range of input voltage, making it suitable for use in applications running on various supplies.The BD8154EFV-E2 can be used to control a single LED string, a multiplexed configuration of multiple LED strings, or to synchronize multiple strings in parallel. It also offers external voltage adjustment, a function that makes it ideal for use with high-resolution LCDs that require fine tuning of the brightness levels.To ensure accurate control of the current and light intensity, the BD8154EFV-E2 includes an internal feedback loop. The IC monitors the output current and adjusts the current control loop to ensure an accurate light output. Additionally, the feedback loop enables the device to accurately set the light intensity from dark to full brightness. The device also features an Auto-Dim function allowing it to operate at lower current levels, making it more suitable for applications running at reduced luminance levels.The BD8154EFV-E2 is designed to be used in harsh environments, providing protection against overvoltage, electrostatic discharge, and short circuit conditions. The device is also available in a compact, space saving 6-pin SOT23-6 package, making it ideal for high density applications.In summary, the BD 8154EFV-E2 is a specialized PMIC designed for LED backlighting applications. Its integrated feedback loop ensures accurate control of the LED current and light intensity, while its robust design guarantees reliable operation even in harsh environments. The device also offers a wide range of input voltages, making it suitable for use in applications running on various supplies.

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