MIC803-29D4VM3-TR

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Power management integrated circuits (PMICs) are used to implement power supplies and perform power management functions such as voltage conversion, power sequencing, and power gating for system power components. There are many types of PMICs, including supervisory circuits, DC/DC converters, linear regulators, audio amplifiers, LED drivers, power switches, battery chargers, and fuel gauges. The MIC803-29D4VM3-TR device is a microprocessor supervisor/monitor IC with advanced system reset logic, enabling early detection of out-of-tolerance operating conditions. It is often used as a power supervisor integrated into many microcontroller (MCU) design applications.

Application Field of MIC803-29D4VM3-TR

The MIC803-29D4VM3-TR is a microprocessor-based supervisor that is designed to detect and respond to out-of-tolerance operating conditions. It is usually used in critical applications such as system controllers, embedded industrial controllers, gaming and consumer appliances, and automotive electronics. The device is well suited for applications that require a precise, personalized response to system state changes, such as a loss of power, a short circuit, or a change in temperature. It is also used in consumer electronics such as digital televisions, tablets, laptops, and smartphones to monitor the system\'s power supply and prevent system shut-downs or data loss.

The MIC803-29D4VM3-TR is also used in many industrial and automotive applications. It is ideal for embedded industrial control systems that require reliable system operation and quick response times. Additionally, MIC803-29D4VM3-TR is widely used in automotive electronics, such as powertrain and infotainment systems, to protect the system against external environmental factors and power supply problems. The device provides an additional layer of safety that helps prevent costly breakdowns and system failures.

Working Principle of MIC803-29D4VM3-TR

The MIC803-29D4VM3-TR is a low-power microprocessor-based supervisor and the first PMIC with configurable reset, window watchdog, and manual reset circuit. The device features configurable threshold and window watchdog timer for accurate detection and timely reset of incorrect processes. The device monitors power, temperature, and voltage-time signals.

As a microprocessor supervisor, the MIC803-29D4VM3-TR constantly monitors supply voltage, temperature, and process signals and provides reset signals when system parameters exceed their preset thresholds. The voltage reset function of the device monitors and compares the input voltage against a preset threshold, while the temperature reset monitors and compares the system temperature against a preset threshold.

The device\'s window watchdog circuit provides a timer to monitor system activity and detect system failures in real time. The device also includes a manual reset circuit, which can be activated by an external signal or manually via the on-chip enable pin. This makes it possible to reset the processor without having to power cycle the system, allowing for faster and more precise recovery than a power cycle reset.

Conclusion

The MIC803-29D4VM3-TR is a powerful PMIC with specialized features for detecting out-of-tolerance operating conditions. It is well suited for a variety of applications, from embedded industrial control systems to consumer electronics. It provides an additional level of protection against system resets, sudden temperature changes, and voltage drops. The device also features a configurable reset, window watchdog, and manual reset circuit, making it an ideal choice for precise and timely system reset responses.

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