MAX15070BEUT+T

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MAX15070BEUT+T is a current-limited, high-speed, single-channel gate driver, a kind of PMIC (power management IC) - Gate Drivers, which is designed in order to classify various types of gate drive/clamp applications. It is mainly utilized for driving a wide range of power semiconductor devices, including insulated gate bipolar transistors (IGBT), metal oxide semiconductor field-effect transistors (MOSFET), and gate turn-off thyristors (GTO).

It is ideal for applications that require high performance and accuracy, such as motor control and switching power supplies. With its ability to supply up to 4A of peak source/sink current, the MAX15070BEUT+T can provide high-frequency operation and tight switching performance. Additionally, the low propagation delay and direct-drive capability makes it an excellent choice for digital power applications.

Features

The MAX15070BEUT+T features a wide operating temperature range of -40°C to +125°C. It also has an internally clamped high-side gate drive output. The undervoltage lockout and fault protection features prevent lateral and vertical IGBT damage due to a variety of fault conditions. Additionally, the MAX15070BEUT+T contains an ESD protection circuit which offers up to ±5000V of protection on all pins. In summary, the MAX15070BEUT+T has the following features:

• High peak source/sink current: Up to 4A
• Wide operating temperature range: -40°C to +125°C
• Internal clamping circuit for safe device operation
• Undervoltage lockout and fault protection circuitries
• ESD protection circuit with up to ±5000V of protection on all pins

Application Fields

The MAX15070BEUT+T is ideal for driving a variety of power semiconductor devices, including:

• Insulated gate bipolar transistors (IGBT)
• Metal-oxide semiconductor field-effect transistors (MOSFET)
• Gate turn-off thyristors (GTO)

It is suitable for motor control and switching power supplies applications that require high performance and accuracy. It is also ideal for digital power applications due to its low propagation delay and direct-drive capability. Additionally, it can be used in industrial, automotive, and consumer designs.

Working Principle

The MAX15070BEUT+T is an integrated circuit containing a single-channel high-speed gate driver. It is powered by a single I/O supply voltage, VDD, which can be +5V to +15V. The gate driver incorporates a bootstrap charge pump that charges the high-side drive voltage, VPH, from the dc source voltage, VDD. This enables the gate drive to swing higher than the source voltage.

The MAX15070BEUT+T features an adjustable current limit to protect the gate driver, allowing gate run-off currents up to 4A. This current limit can be adjusted externally by specifying resistor values. The device also contains an internal overvoltage protection, undervoltage lockout, and fault protection circuitries. These circuitry protect the MOSFET or IGBT from damage due to excessive gate charge and various fault conditions.

In addition, the device also features a fault detect output pin, FAULT, which can be used as an active-low indicator to alert the microcontroller of a fault condition. The MAX15070BEUT+T also features an ESD protection circuit which offers up to ±5000V of protection on all pins.

Conclusion

The MAX15070BEUT+T is a current-limited, high-speed, single-channel gate driver. It is a type of PMIC (power management IC) - Gate Drivers which is designed in order to classify various types of gate drive/clamp applications. It is mainly utilized for driving a wide range of power semiconductor devices, including insulated gate bipolar transistors (IGBT), metal oxide semiconductor field-effect transistors (MOSFET), and gate turn-off thyristors (GTO).

The MAX15070BEUT+T has a wide operating temperature range of -40°C to +125°C and can supply up to 4A of peak source/sink current. It also has an internally clamped high-side gate drive output. It is ideal for applications that require high performance and accuracy, such as motor control and switching power supplies. Additionally, the low propagation delay and direct-drive capability make it an excellent choice for digital power applications.

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