BCR405UW6Q-7

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BCR405UW6Q-7 is a kind of PMIC (Power Management ICs) – LED Drivers. With a variety of solutions available, BCR405UW6Q-7 not only offers high performance, but also offers low power consumption and long working life, making it suitable for use in a wide range of applications.

BCR405UW6Q-7is a current-mode step-down LED driver for per-channel current-limited lighting solutions. It features an adjustable switching frequency up to 1MHz and provides an on-chip power switch with a low 0.1 Ω on-resistance. Per-channel current-limit protection limits the LED current to a safe level while keeping the brightness of the LED constant. The current limit feature further reduces the stress on the LED and keeps them efficient.

The BCR405UW6Q-7 uses a buck topology, allowing it to control and regulate LED current across any number of lamps in an LED array. It can be used to power single LED or multiple LED configurations. It is available in a package size of 6 mm x 6 mm and its operating temperature range is -40 to +85 °C.

BCR405UW6Q-7 offers several advantages over other LED Drivers. It is designed for high-efficiency operation even for low input-voltage applications, which helps to reduce power loss. It also offers thermal protection and has a low power-on voltage. The device has a very low quiescent current in active mode, reducing temperature rise within the case.

BCR405UW6Q-7 offers a wide input voltage range from 2.7V to 20V, meaning that it can easily be integrated into a variety of devices and applications. It can be used for LED lighting solutions such as monitors, displays, automotive lighting, decorative lighting, architectural lighting and other architectures.

The working principle of BCR405UW6Q-7 is based on the buck switching topology. It uses a high-frequency, pulse-width modulation signal to drive the on-chip power switch. The power switch is connected to the output side of the current-limited circuit. The current-limited circuit limits the peak current that can be output and thus protects the LED array by preventing over-current conditions.

The BCR405UW6Q-7 has several features that improve performance. It offers short start-up times, low noise operation and low Electromagnetic Interference (EMI). It even features programmable soft-start, enabling it to start at a predetermined rate, thus minimising output-voltage inrush current.

In addition to the features mentioned above, the BCR405UW6Q-7 offers a number of protection features. These include over-voltage, over-temperature, short-circuit and over-current protection. These features ensure that the device and the LED array are protected from external effects and create a safer environment for the overall application.

In conclusion, BCR405UW6Q-7 is a highly integrated and efficient LED driver that is suitable for a wide range of applications. With its adjustable switching frequency and a variety of protection features, it is an ideal LED driver for LED lighting solutions.

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