TC4423CPA

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The TC4423CPA is a full-featured, high-current dual output driver designed for use in a wide range of applications. It is part of the TC4423 series of integrated circuits from Microchip Technology Inc. and designed for PMIC - Gate Drivers. The family is designed to drive high-current outputs in order to switch large loads with minimal power consumption and suitable for use in automotive and motor control applications as well as external drivers for digital logic. The integrated design has two drivers and offers differential inputs, with adjustable rise and fall times.

The TC4423CPA is designed to operate from a single to dual supply voltage range of 8.0V to 32V. The output drivers are capable of sourcing and sinking current up to 500mA per output and feature protection against overheating and undervoltage. The output stage is also protected against load dump and negative transient voltages and includes an adjustable overload sensing circuitry. The maximum slew rate of the TC4423CPA is 4A/ms, making it suitable for use in power management circuits.

The TC4423CPA offers several features and benefits, including active current limiting, easy voltage switching and low power operation. The low power operation helps eliminate unwanted power dissipation, while the adjustable current limiting ensures that the output is always within safe limits. Additionally, the adjustable rise and fall times enable the device to switch from one voltage level to another quickly and smoothly, reducing switching losses. Lastly, the onboard protection circuit guards against damage from overcurrents, overvoltages, and incorrect voltage mismatches.

In terms of application fields, the TC4423CPA is typically used to drive high current loads such as motors and solenoids. It can also be used in automotive and motor control applications, as well as digital logic external drivers. It can also be used in industrial applications, as it is capable of driving large capacitive loads. Furthermore, due to its high power capabilities, it can also be used in other power management circuits, such as power converters or feedback regulators.

In terms of working principle, the TC4423CPA consists of two separate high-current output drivers. Each output is individually controlled, allowing for independent switching levels. The output is further controlled by differential input signals, with adjustable rise and fall times. The device operates from a single to dual supply range of 8.0V to 32V and the output stages can source and sink up to 500mA per output. The integrated protection circuitry guards against damage from overcurrents, overvoltages, and incorrect voltage mismatches, while the adjustable current limit ensures that the output is always in safe limits.

In conclusion, the TC4423CPA is a full-featured, high-current dual output driver designed for use in a wide range of applications. It offers several features and benefits, including active current limiting, easy voltage switching and low power operation. Additionally, its high power capabilities make it suitable for driving large capacitive loads and even used in power management circuits, such as power converters or feedback regulators. Ultimately, the TC4423CPA is well suited for applications such as automotive, motor control, digital logic, and industrial applications.

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