BH6941KN-E2

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The BH6941KN-E2 PMIC is a dedicated LED driver with a number of features and applications. It has been designed to provide a complete power supply solution for LED lighting with low power consumption and high efficiency. The BH6941KN-E2 is a 3-channel LED driver that provides constant current for each channel, allowing for efficient and reliable LED driving. This LED driver is suited for applications in LED displays, LED backlighting, LED lighting, automotive lighting, LED emergency lighting and LED flashlights.

The BH6941KN-E2 LED driver has a number of features and benefits:

• It has a wide voltage range of 5 – 36V, which makes it suitable for a number of different LEDs.
• It supports three independent channels, which allows for flexibility in design.
• It has a low quiescent current of 50 ?A, which reduces power consumption and extends battery life.
• It offers adjustable switching frequency from 1 – 960kHz, which can be used to reduce EMI.
• It includes an enable/disable control for each channel and overtemperature protection for reliable protection.
• It has an inbuilt high-frequency (2 – 21MHz) oscillator for synchronous operation.

The working principle of the BH6941KN-E2 is as follows. The input voltage is regulated by a buck-boost regulator circuit and supplied to the internal voltage regulator. The voltage regulator is connected to the three independent channels and supplies them with a constant current. The active channels are then used to drive the connected LEDs with a constant current by switching the currents between two LEDs in opposite directions. The output voltage is regulated by an adjustable current sense resistor. The output voltage can be adjusted by adjusting the current sense resistance for each of the channels.

The BH6941KN-E2 is a highly efficient LED driver with a number of features and applications. The adjustable switching frequency, the adjustable output voltage, and the inbuilt high-frequency oscillator make it suitable for a wide range of LED lighting applications.

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