A3932SEQ-T

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A3932SEQ-T is an integrated gate driver designed for stepper motors, always in Bridged and Steered configurations, and dedicated for automotive applications. It is specifically designed for use in load switching circuits, such as those found in window regulators, door locks, sunroof controllers and mirror adjusters. This device features a sophisticated safety logic enabling it to monitor the mechanical position of the motor and latch-off a fail-safe position in case of over-temperature or open-load conditions.

A3932SEQ-T is a complete two-phase stepper motor driver, combining advanced H-bridge technology, protection logic and a 5V or 12V logic supply. It provides a cost-effective solution for a wide range of applications in automotive, industrial and consumer markets. It is capable of providing up to 2A peak current (1.5A continuous) per phase and an operating voltage range of 8-25V.

The A3932SEQ-T uses a combination of analog and digital circuitry for controlling the stepper motors. The analog section consists of separate up and down switches for each phase, that are controlled by the control logic. The digital control logic is implemented in an FPGA, that provides the necessary logic to switch the H-bridges. The output from the FPGA is used to control the up and down switches in each phase.

The A3932SEQ-T offers a wide range of features for optimizing the performance of stepper motors. These features include adjustable current limiting, adjustable speed control, and adjustable acceleration and deceleration control. The device also includes protection logic that monitors the motor temperature and immediately triggers a fail-safe position in case of over-temperature or open-load conditions.

In addition to these features, the A3932SEQ-T also offers a wide range of diagnostic features. These features allow the device to detect and diagnose faults in the system, such as current overload, fault detection, and failure to settle. These diagnostic features can be used to maximize the performance and increase the reliability of the system.

The A3932SEQ-T can be used in a wide variety of applications, ranging from window regulators to door locks and sunroofs to mirror adjusters. It is a cost-effective solution for applications where accurate and reliable motor control is required.

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