ACS71020KMABTR-030B3-I2C

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ACS71020KMABTR-030B3-I2C is a specialized power management integrated circuit (PMIC) from Analog Devices Inc (ADI). It is a low-power, high-accuracy, CMOS-based, current-sense monitor with a wide input range of up to 30A. This PMIC is an enhanced version of the ACS7102 family with an additional feature set for improved accuracy and reliability.

The ACS71020KMABTR-030B3-I2C has a range of applications from automotive to industrial, and from complex motor control systems to touch switch applications. It is suitable for a wide range of applications due to its wide input range, low-voltage protection, low quiescent current, and extended temperature range. This PMIC can be used as a current limiter and over-current protection device, and also has provisions for external fault circuits for safety and protection.

The working principle of the ACS71020KMABTR-030B3-I2C involves a current-sense amplifier, which receives an input voltage from the hall-effect-based current sense resistor connected in series with the current source. The amplifier can sense the current flow in the circuit and output a voltage proportional to the current. This voltage is then used to provide accurate current-sense information.

The ACS71020KMABTR-030B3-I2C PMIC also provides multiple protection functions such as over-current detection, monitoring, and protection against short-circuit conditions. It also comes with integrated high-side switches, low-side discharge resistors, and current limit threshold settings to enable dynamic current-limiting action. Furthermore, it provides a temperature sensor and thermal protection against component overheating.

The ACS71020KMABTR-030B3-I2C has no need for external components, which reduces design complexity and time. This PMIC can be connected directly to an I2C or SMBus interface, which adds to its flexibility in industrial applications. Lastly, it is manufactured in a tiny 8-pin TSOT package, making it a space-saving solution for high-accuracy current sensing in various applications.

In conclusion, the ACS71020KMABTR-030B3-I2C is a specialized PMIC from ADI for current sensing and protection applications. It provides enhanced accuracy and reliability by its wide input range and multiple safety features. In addition, its small form factor, low power needs, and easy I2C integration make it a suitable device for automotive, industrial, and consumer applications.

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