ADUM3220BRZ-RL7

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The ADUM3220BRZ-RL7 is an IC used in Isolators – Gate Drivers. It is a two-channel, dual-mode isolator designed to drive electromechanical relays, solenoids, silicone-controlled rectifiers (SCRs), and other high power devices. It is a highly integrated series of isolators with a wide operating temperature range, low power consumption, and fast switching speeds.

The ADUM3220BRZ-RL7 features a single-time programmable integrated circuit (SPIC) that stores vital system information. This chip allows for communication of signals across the isolation barrier while providing low power operation and fast device switching. The open-drain output drivers are enhanced to improve switching noise, transient immunity, and safety. The low on-resistance provided by the output drivers helps to minimize power dissipation and heat dissipation.

The ADUM3220BRZ-RL7 provides level shifting between 2.5V and 5V logic levels. It is a CMOS logic-compatible device with overcurrent, overheating, and undervoltage protection. Additionally, the dual operating modes – Dynamic Mode and Enabled Mode – allow for an easy system adaptation. The Dynamic Mode provides fast switching times for applications that require rapid switching. The Enabled Mode, on the other hand, provides constant switching to drive large loads.

The ADUM3220BRZ-RL7 is designed to handle up to 80V of supply voltage, allowing it to be used in applications ranging from 48V to 80V. It also features a hysteresis error flag that triggers an interrupt signal if the device experiences an overcurrent or overvoltage condition. This feature helps to prevent system freezes due to excessive power consumption.

The ADUM3220BRZ-RL7 has the capability to drive both types of relays (inductive and resistive) efficiently with a minimum operating voltage of 2.5V. Furthermore, its integrated switch-off circuitry reduces the switch-off time for multiple-coil devices, minimizing burden on the regulator. The device is UL recognized to 8kV addition breakdown voltage making it safe for use in critical systems.

The ADUM3220BRZ-RL7 provides a high level of integration, allowing it to be used in many applications requiring high-power switching. Its impressive level of protection and dynamic capabilities make it suitable for use in automotive, truck, and industrial systems. It also has a wide operating temperature range, making it a great choice for applications that need to operate in extreme temperatures.

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