AMIS42665TJAA1RG Integrated Circuits (ICs)

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AMIS42665TJAA1RG application field and working principle

The AMIS-42665 is a low power, highly integrated, automotive grade, small outline package (SOIC16 or VQFN20) motor driver and receiver IC. The device is especially suitable for small and medium-sized motor drive applications such as fan drivers, brushless DC (BLDC) and stepper motor drivers, DC motor drivers, and motor controllers with high performance drive channels. As it has a 5.5V to 36V wide operating voltage range and can provide high current drive up to 2.5A, it is a versatile device, ideal for automotive and industrial applications.The AMIS-42665 integrates a low power 6-channel driver and receiver, a power ground system, a hardware fail-safe system and many automotive specific functions, including an analog current limit circuit and a serially-programmable PWM dimming function, making this IC a great fit for different requirements in terms of functionality and power efficiency.
The AMIS-42665 driver and receiver IC combines 6 independent half-bridge drivers and 6 half-bridge receivers. These two blocks work together to enable the device to drive AC or DC motors from -2.5A to +2.5A. This IC has an SPI compatible serial port, which can enable its various features such as an adjustable dead time, 5V low power mode and short-to-ground protection.
The basic working principle of the AMIS-42665 involves the half-bridge driver and receiver. The driver is used to convert the logic level inputs from the controller board into a high current output signal. This signal is then sent via one of the power outputs to the motor. The receiver receives the voltage from the motor, amplifies it and then sends it back to the controller board.
The AMIS-42665 is designed to work in extreme temperatures and high humidity environments. Its 16V-36V operating voltage range allows the device to be used in automotive applications. It also eliminates the need for a low side driver, providing an overall cost-efficient solution for power applications.
The AMIS-42665 can be used for a wide range of applications from motor drives to lighting systems and even ROBOT drive systems. Its integrated features such as adjustable dead time, 5V low power mode and short-to-ground protection make it a great choice for high performance and cost-effective applications.

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