BD9470AEFV-E2 Integrated Circuits (ICs)

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PMIC-LED Drivers are power management integrated circuits that control the current to one or more LED devices. The BD9470AEFV-E2 is a PMIC-LED Driver that is designed using Toshiba’s cutting-edge technology to regulate the current and voltage of LED devices. It is ideal for applications that require a high degree of regulation accuracy and stability, such as automotive lighting and consumer electronics.

The BD9470AEFV-E2 has a wide input operating range of 2-6V and can drive up to four strings of LEDs with a total current of up to 8A. It also offers excellent ESD protection and fast switching speed, making it suitable for various lighting applications that require fast response times. Additionally, it has a built-in thermal protection circuit, protection from short-circuiting, a free-running oscillator, and a precise current regulation circuit that makes it ideal for use in high-end LED lighting applications.

The main application field for the BD9470AEFV-E2 is automotive lighting, since it offers a high degree of accuracy and stability to ensure the vehicle’s lighting system operates reliably and safely. It is also suitable for use in other types of LED lighting applications, such as consumer electronics, industrial and commercial lighting, and architectural lighting.

The BD9470AEFV-E2 works by regulating the total current to the LED strings, and ensuring that each string receives an even current. This allows for a consistent and uniform brightness and color temperature in the LED light emitted. The current regulation is achieved by an on-chip charge pump with auto-ramping, which can accurately control the current to within 1%.

In addition to current regulation, the BD9470AEFV-E2 can also perform voltage regulation by controlling a PWM signal that is used to power the LEDs. This ensures that the voltage applied to the LEDs remains at a consistent level, which helps to ensure a consistent brightness and color temperature. The voltage regulation is achieved by an on-chip DC-DC converter with auto-ramping, which makes it ideal for applications that require precise voltage regulation.

The BD9470AEFV-E2 has a wide range of features and benefits, making it an ideal solution for a variety of automotive and other LED lighting applications. It offers precise current and voltage regulation, fast switching speeds, ESD protection, and a built-in thermal protection circuit. Additionally, it is reliable and requires minimal external components to operate, making it easy to integrate into existing system designs.

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