MCZ33989EG

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The MCZ33989EG is an integrated non-isolated high-side current sense amplifier that offers two key functions. Used to interface a system power supply or other power sources, it provides a low-power, low-emissions, high-precision current sensing and provides a high-bandwidth, fault diagnostic output for power converters, battery control and monitoring, and system overload protection.The core application field of MCZ33989EG is current sensing. This product integrates an advanced Current Sense Amplifier (CSA) with an integrated diagnostic module. The product supports a wide range of load voltage and load current, making it suitable for power supplies and battery packs. It is also used in motor and relay control, charger control, and power adjustment applications.On the other hand, the MCZ33989EG provides an integrated fault diagnostic output. It offers multiple fault threshold correction modes that enable the system to operate with a wider range of power requirements. This helps ensure a safe and reliable system operation. It also supports a comprehensive range of diagnostic functions, including shared-sense, linear sensing, and open/short circuit diagnostics. Finally, the MCZ33989EG offers a low-power current sensing system, designed to reduce power emissions and improve power efficiency. It also features a SenseFail feature that prevents glitches in the output when the device is being used in a high-speed sensing application. This makes it an ideal choice for many current sensing applications.The working principle of the MCZ33989EG is based on a current-sense amplifier block and a diagnostic block. The sense amplifier provides a precision current sense output signal. This signal is passed through a threshold correction block to a fault output block to detect over-current conditions. The diagnostic block provides a set of fault detection bits to indicate the status of the device’s operation.In addition to the integrated current-sense and fault-diagnostics circuits, the MCZ33989EG offers many programmable features. These include selectable fault response time, over-current thresholds, and over-current limit hysteresis. These features make it easy to customize the system to meet specific application requirements.In conclusion, the MCZ33989EG is a versatile, low-power current-sensing device which can be used in a variety of applications, from power supplies and battery packs to motor and relay control, charger control, and power adjustment applications. The device offers multiple integrated features to help ensure safe and reliable system operations, and it also features a low-power operation mode to reduce emissions and improve power efficiency.

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