FAN5009MX

Current - Peak Output (Source, Sink):	--
Base Part Number:	FAN5009
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	40ns, 20ns
High Side Voltage - Max (Bootstrap):	15V
Input Type:	Inverting, Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 2.5V
Voltage - Supply:	10 V ~ 13.5 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IntroductionFAN5009MX is a high-efficiency, low-voltage, high-side gate driver IC. Its peak output current and operating supply voltage range make it suitable for a wide range of applications, including portable electronic device and automotive power applications.Application fieldFAN5009MX gate drivers are suitable for a variety of power management applications. It can be used in various mobile devices and other high power applications. It is also suitable for automotive power applications, including high-current DC-DC converters, battery management systems, and power factor correction. This gate driver is also well suited for use in automotive engines and auxiliaries, such as electric power steering, power seat adjustment and drivetrain control. Furthermore, it can be used as a bridge driver for brushless DC (BLDC) motors, as well as for brushless fan (BLF) applications.Working principleFAN5009MX is a high-side gate driver with 3-level topology, allowing current to flow from VDD to the high side load. It is a buck-boost regulator, which can step down or step up the input voltage depending upon the load requirement. This feature makes it a highly efficient gate driver, as it delivers current with minimal power dissipation.In operation, the FAN5009MX driver provides a current path to the load through the gates of the MOSFETs connected to the output. This current is delivered in two phases, which can be controlled independently. The first phase is the INA phase, which is typically used to quickly switch on the high side MOSFETs. The second phase is the TB phase, which is used to control the current in the high side MOSFETs after they are switched on. This phase allows for more precise control of the inductive and capacitive loads. The peak output current and the embedded current sensing circuitry of the FAN5009MX make it highly suitable for high power applications.The FAN5009MX also offers adjustable dead-time control and a fault protection system. It contains an adjustable over-load protection circuit, which prevents the high side MOSFETs from overloading, and a short-circuit protection system which can be enabled to protect against short-circuit conditions. Additionally, it has an adjustable temperature detection circuit which is used to protect against overtemperature conditions.ConclusionFAN5009MX is an efficient gate-driver IC for high current applications. It has many features that make it suitable for portable electronic and automotive power applications, such as adjustable dead-time control, over-load protection, short-circuit protection, and temperature detection circuit. All these features make FAN5009MX a suitable, high-reliability solution for power management applications.

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