BD9285F-GE2 Integrated Circuits (ICs)

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BD9285F-GE2 is a PMIC type LED driver, specifically developed to control, boost and dim the brightness of single color LEDs. It is a dedicated device for driving up to four series white or RGB LEDs, with an operating voltage up to 40 V and a current up to 0.5 A, with a wide input voltage (3.5 V to 40 V).

BD9285F-GE2 has several applications, particularly in LED lighting, automotive, consumer and information systems . For example, LED lighting applications can benefit from the device in a variety of ways. It is capable of high power LED dimming with a wide range of power consumption; it reduces the cost of the overall lighting system by eliminating the need for external components; and it increases the reliability and lifetime of the lighting system by protecting the LED from overload and short-circuit situations.

BD9285F-GE2 is designed to optimize the performance efficiency of power LED applications. It has a proprietary current limit compensation circuit that allows it to achieve high efficiency even with high LED currents. The LED current is accurately regulated by an external resistor, so the LED current is always in the correct range, regardless of temperature changes, voltage fluctuations, and component variations. In addition, the device can operate in either constant current or constant voltage mode depending on the application.

At the core of BD9285F-GE2 lies a unique feedback loop control algorithm,which controls the LED current without relying on traditional hysteretic control. It provides higher system accuracy, smaller power losses, lower component count and higher efficiency.

This device also provides several protection features to make sure that it operates in a safe and reliable manner. It is built in current fold-back protection, as well as over-temperature protection, to protect the device and its LEDs in case of device overloading or temperature rise conditions.

The BD9285F-GE2 can be interfaced with a microcontroller, such as an MCU or an embedded system, through the use of GPIO pins. It can also be controlled manually through push-button switches, giving users the flexibility to choose the control interface they prefer. Additionally, brightness settings can be adjusted through the use of on-board LED potentiometers.

All in all, the BD9285F-GE2 PMIC LED Driver provides an integrated solution for controlling, boosting and dimming the brightness of single color LEDs. With its comprehensive features and its wide range of applications, it has become a reliable and cost-effective solution for modern LED lighting systems.

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