ADUM3224WARZ

Current - Output High, Low:	--
Base Part Number:	ADUM3224
Approvals:	--
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	3 V ~ 5.5 V, 4.5 V ~ 18 V
Voltage - Forward (Vf) (Typ):	--
Current - Peak Output:	4A
Series:	Automotive
Rise / Fall Time (Typ):	12ns, 12ns
Pulse Width Distortion (Max):	--
Propagation Delay tpLH / tpHL (Max):	54ns, 54ns
Common Mode Transient Immunity (Min):	25kV/µs
Voltage - Isolation:	3000Vrms
Number of Channels:	2
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tube

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Isolators - Gate Drivers

The ADUM3224WARZ is a high-performance, isolated gate driver with a typical digital isolation rating of 5.7 kV rms. The device provides isolated, excellent linear performance and a wide operating level range. It is designed to drive insulated gate bipolar transistors (IGBTs) and MOSFETs in pre- and full-bridge configurations. The ADUM3224WARZ also provides high current and fast switching performance. It is suitable for motor control, renewable energy, and industrial automation applications.

Application Field

The ADUM3224WARZ can be used in many different applications with isolated gate drivers. It can be used to control high-power switches, to provide wide speed control range for soft-starters and motor controls, to boost up or step down voltage in power supplies and conversion circuits, to provide isolation in faulted sources and loads, and to drive mechatronics applications.

Working Principle

The ADUM3224WARZ is an isolated, integrated gate driver with high linear performance that can drive up to 2A current sustained at 50V load. The device uses the Analog Devices, Inc. (ADI) iCoupler® isolation technology. This technology provides an isolated, signal transmission with the ADU3224WARZ\'s integrated digital isolation design, allowing the gate driver to provide high levels of EMI immunity while providing extremely low propagation delay times. The ADUM3224WARZ consists of four main components: a pulse width modulation (PWM) control input, an isolated input to the IGBT gate, an isolated output, and the capacitive isolation barrier. The PWM control input receives a signal from a controller or microcontroller and directly drives the gate of the IGBT. The isolated input is connected to the IGBT gate with an optocoupler, providing complete electrical isolation between the controller and the IGBT gate. The isolated output is an open collector configuration, which is used to turn on and off the IGBT switch. Lastly, the capacitive isolation barrier between the input and output provides a digital isolation rating of up to 5.7kV.

Conclusion

The ADUM3224WARZ is a high-performance, isolated gate driver designed for motor control, renewable energy, and industrial automation applications. It is an integrated gate driver with high linear performance and can drive up to 2A current sustained at 50V load. The ADUM3224WARZ provides digital isolation, excellent linear performance, and fast switching performance and is suitable for numerous applications.

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