MAX3293AUT+

Series:	*
Part Status:	Preliminary

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MAX3293AUT+ application field and working principle The MAX3293AUT+ is an integrated gate driver that uses an on-chip charge pump and low-resistance power switches with low ON resistance to control power-MOSFETs in power management applications. This integrated gate driver also contains on-chip sense and gate protection device, and provides efficient, low-power operational capability. MAX3293AUT+ is a device belonging to the PMIC - Gate Drivers family.PMIC - Gate Drivers are a type of integrated circuit, usually found in automotive and industrial applications, which are used to control the power in active components such as MOSFETs and IGBTs. Gate Drivers are responsible for driving the gate voltage of the MOSFET or IGBT, ensuring that the device is driven to its full capability.The MAX3293AUT+ is specifically designed for applications ranging from 6V to 24V power supplies that require fast switching and low power consumption. It is a full-bridge gate driver with an integrated charge pump and gate protection device, consisting of an integrated power MOSFET with a breakdown voltage of 6.4V, an over-current protector on the low-side MOSFET, and a short-circuit protector on the high-side MOSFET. Additionally, the MAX3293AUT+ has integrated over-temperature, over-voltage, under-voltage and current sense circuits which can be used to monitor the circuit performance.The MAX3293AUT+ can be used to control the power in various types of converters, such as full-bridge, quasi-resonant and push-pull converters. The driver also supports switch-mode power supplies, such as forward, flyback and buck-boost converters, as well as PWM applications.The charge pump and power switches used in the MAX3293AUT+ are designed for high performance and low power consumption. The charge pump can provide up to 28V of output voltage, which is sufficient to drive up to 50V MOSFETs. The power switches feature low on-resistance, allowing the MAX3293AUT+ to switch quickly and efficiently. Additionally, the power switches are controlled by a PWM signal, allowing the user to fine-tune the output power and minimize power loss.The MAX3293AUT+ also features a wide operating temperature range and is designed for high EMC performance. The device can be operated at temperatures ranging from -20°C to +85°C and has a minimum on-resistance of 14mΩ and an over-temperature protection threshold of 130°C. The device also features a low total-harmonic-distortion (THD), which is typically less than 0.01%. In summary, the MAX3293AUT+ is an integrate gate driver specifically designed for applications ranging from 6V to 24V power supplies that require fast switching and low power consumption. It features an on-chip charge pump and low-resistance power switches, providing high performance with low power consumption. Additionally, the device is designed for high EMC performance and is compatible with multiple topologies, such as forward, flyback and buck-boost converters.

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