LT3932EUFD#PBF

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PMIC - LED Drivers

LT3932EUFD#PBF is a Pulse-Width-Modulation (PWM) LED Driver controller with an integrated High-Side-Driver. It is specifically designed for driving multiple LEDs in automotive, industrial and other lighting applications. The device is suitable for use in an array of applications that require the control of multiple LEDs such as automotive dashboard lights, interior lighting, signage and general purpose power control.

Application Field

LT3932EUFD#PBF has a wide range of application fields. It can be used for home and automotive lighting, such as front lights, side lights, brake lights and dashboard lights. It is also suitable for industrial lighting applications, such as signs, lamps and streetlights. The device can also be used for general purpose power control applications, such as temperature and speed control.

LT3932EUFD#PBF supports a wide range of operating voltage, from 2V to 36V for automotive applications, and from 4.5V to 36V for industrial applications. It is also capable of driving multiple LEDs in parallel, which makes it suitable for automotive and industrial lighting applications that require the control of multiple LEDs. The device also has multiple protections, such as over-voltage, power-on reset, input voltage monitoring and thermal shutdown, making it highly reliable in terms of power control.

Working Principle

The LT3932EUFD#PBF LED driver is based on the principle of pulse width modulation (PWM) which is used to control the on-time of LEDs. PWM technology works by varying the width of a pulse wave in order to control the intensity of the LED output. The device uses an integrated high-side driver which switches the electric current on or off depending on the width of the pulse wave, thus controlling the intensity of the LED output over a wide range. The device also has an adjustable DAC output, which allows the user to adjust the LED intensity by varying the voltage output from the DAC.

The device features an integrated voltage-mode control with a programmable slew rate, which allows for smooth dimming and color modification of the LED load. The LED load can also be controlled by means of a logic pin, which allows for direct control of the LED load, as well as color and intensity modulation.

Another great feature of the LT3932EUFD#PBF is its adaptive current-control technology. This allows the device to automatically adjust the amount of current drawn by the LEDs, based on the external temperature. This helps reduce energy consumption, while still providing optimal performance of the LEDs.

Conclusion

In conclusion, the LT3932EUFD#PBF is a highly versatile PWM LED Driver with a wide range of applications in automotive, industrial and other lighting applications. It is suitable for driving multiple LEDs in parallel and has feature such as over-voltage protection, input voltage monitoring and thermal shutdown, making it highly reliable for power control. The device also features an integrated voltage-mode control with programmable slew rate and adaptive current-control technology, which allows for smooth dimming and color modification of the LED load.

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