FAN7346MX

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FAN7346MX is a power management integrated circuit (PMIC) used especially in LED systems. It is an economical, low power, and highly efficient solution for 6-string LED driver applications. It can achieve a high level of performance and reliability in challenging applications such as solid-state lighting, field-programmable gate arrays, and embedded controllers.

The FAN7346MX is a high-performance, cost-effective integrated circuit that utilizes advanced state-of-the-art power management and control technologies which enable its superior cost-performance. It provides the highest level of functionality, performance, and flexibility for LED applications.

The FAN7346MX has multiple outputs that enable it to provide LED driver applications with up to 4.5V of supply voltage, real-time feedback protection, and PWM dimming. It also offers high output current, high-output-voltage accuracy, and adjustable output current limiting. These features, along with the ultra-low standby power consumption, make the FAN7346MX an ideal solution for LED drivers.

The working principle of the FAN7346MX is based on its three-phase, interleaved pulse-width modulation (PWM) control principle. In this method, the load will be driven by three phases with the help of a special chip that simultaneously controls the duty cycle, frequency, and phase of each phase. The three-phase, interleaved PWM control eliminates the possibility of electrical noise due to the non-simultaneous and slightly varied in time pulse width of each phase.

To ensure consistent high performance, the FAN7346MX utilizes a built-in current-sense circuit to measure load current, detect load on/off, and report low-supply conditions. The FAN7346MX also offers cycle-by-cycle current limiting and temperature protection for overload events. Additionally, it has a programmable soft-start feature with adjustable current and timing to minimize inrush current.

The FAN7346MX is a highly efficient and cost-effective LED driver solution that is designed to provide reliable and long-term performance. It is suitable for a wide range of applications, such as automotive lighting, entertainment lighting, displays, and interior lighting systems. Its built-in current-sense circuit and programmable soft-start feature make it an ideal choice for LED drivers.

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