ADUM5230WARWZ

Isolators - Gate Drivers

ADUM5230WARWZ application field and working principle

The ADUM5230WARWZ is a digital isolator that is designed to isolate gate drive signals for power applications. It is based on Analog Device\'s iCoupler® technology, which uses an isolation channel consisting of a transformer that converts signal from one side of the isolation barrier to the other. The isolator is based on CMOS-MOSFET technology and supports up to 4 A switching current.

The ADUM5230WARWZ isolator supports signal transmission at up to 20 Mbps data rate and offers 3 kVrms IEC/EN 60747-5-2 isolation rating. It can also be used for power interactions support up to 28V Vdd, high speed switching support up to 5ns tshow, and hot-swapping applications.

The isolator provides very good EMC immunity and is resistant to the effects of electrostatic discharge (ESD). It offers an exceptionally wide common mode range (CMR) of up to ±55V. This enables the power isolation device to provide clean signals and prevent ground loops and other interference. This makes the ADUM5230WARWZ ideal for any application that requires a high degree of isolation between the power and data sides of the isolation barrier.

The ADUM5230WARWZ is designed to work in temperatures ranging from -40°C to +85°C and the package is compatible with surface mount and through hole mounting techniques. The BZ package is also available in 8-pin SOIC format that is well suited for space-constrained applications. The AdvanSpeed™ technology helps reduce switching times to a minimum.

The working principle of the ADUM5230WARWZ isolator is based on a transformer-based digital signal isolator that converts input signals from one side of the isolation barrier to the other without crosstalk or distortion of the signal. The signal is converted using an isolation transformer coupled with a CMOS-MOSFET detector. A feedback loop controls the drain-source voltage to set the maximum output voltage for the input signal, and the output level is adjustable with a single resistor.

The ADUM5230WARWZ digital isolator provides superior performance and is ideal for use in a variety of applications such as motor control, motor drives, power supplies, transformers, motor feedback systems, and industrial power tools or other power conversion applications. The isolator also has a wide range of safety features including EMC immunity and a high CMR that makes it suitable for a range of signal isolation and power-over-Ethernet applications.