FAN5702UMP08X Integrated Circuits (ICs)

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The FAN5702UMP08X is a fully integrated LED driver circuit with a 9V to 36V input supply range. It is built to provide constant current output up to 8.5A with a minimum of external components required. As a part of a Power Management IC (PMIC) series, the FAN5702UMP08X is ideal for a variety of applications, notably LED drivers. The FAN5702UMP08X offers a high degree of flexibility for driving a range of LEDs with an adjustable current level.

The FAN5702UMP08X offers various features and benefits, making it a popular choice for LED drivers. Its low component count and high efficiency makes it an excellent fit for applications requiring a high degree of power saving. In addition, its low power consumption allows for greater system stability and component life. Furthermore, it offers excellent heat dissipation and thermal resistance with a superior protection circuitry and a wide operating temperature range.

The FAN5702UMP08X works by employing pulse width modulation (PWM) and dual-mode control. In continuous conduction mode (CCM), the FAN5702UMP08X uses PWM to regulate the current level and intensity of the LED. This mode of operation is suitable for applications that require a constant current level throughout the LED’s operating range.

Conversely, the FAN5702UMP08X can also be operated in discontinuous conduction mode (DCM). This mode of operation ensures efficient power conversion by using a fixed frequency PWM frequency switching scheme, resulting in a much higher efficiency than that of CCM mode. In DCM mode, the FAN5702UMP08X operates as a DC/DC buck converter, allowing for wider input voltage and output current ranges.

The FAN5702UMP08X maximizes the life of the LED by regulating its current output level. To achieve this goal, it includes a temperature sensing circuit that can detect the LED’s temperature. Once the LED temperature reaches its maximum operating temperature, the FAN5702UMP08X will reduce its current output to reduce the LED’s temperature and prevent it from overheating.

The FAN5702UMP08X is also designed with a low quiescent current to achieve high efficiency. The device includes a power switch and an internal bootstrap diode, which ensures the circuit is always in a well-defined operating state when the input is switched on. Additionally, the FAN5702UMP08X features programmable current slew rates, which allow for better control over output current, voltage, and power supply ripple.

The FAN5702UMP08X also offers robust protections for its components. It features common-mode voltage, inductor current, and output voltage protections to ensure that the circuit remains safe and reliable during operation. Additionally, it features an overinductance protection to protect the MOSFET from damage due to inductive spikes. This protection mechanism is especially important in lighting applications that use long cables and multiple LEDs.

The FAN5702UMP08X is an excellent choice for driving LEDs due to its high efficiency, low power consumption, and robust protections. It can be found in a variety of lighting applications, such as interior lighting, outdoor lighting, office lighting, and automotive lighting. Its flexibility and wide input/output range make it suitable for a variety of applications and environments, making it a popular choice for LED drivers.

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