XC6121C426MR-G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Watchdog Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	200 ms Typical
Voltage - Threshold:	2.6V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-25

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Introduction to XC6121C426MR-G Application Field and Working PrincipleThe XC6121C426MR-G is a PMIC – Supervisors device which provides an array of versatile power supply monitoring, sequencing, and reset functions. This device is specifically engineered for a wide range of automotive and industrial applications, such as power supply monitoring, automatic power on/off, state machine control and system reset.Features of XC6121C426MR-GThe XC6121C426MR-G features several features that make it uniquely suited for automotive and industrial applications. It offers highly accurate power supply monitoring and sequencing through its wide input voltage range of 2.3V to 6V. In addition, it also supports adjustable reset threshold and delay times in the order of milliseconds. Furthermore, it is designed to minimize power consumption, enabling superior energy efficiency and longer battery life in portable devices.Applications of XC6121C426MR-GThe XC6121C426MR-G is ideal for a variety of automotive and industrial applications. It can be used for power supply monitoring, power sequence control and system reset. Additionally, it is also useful for managing high power applications such as core power system. Moreover, its low power consumption makes it ideal for power-constrained industrial applications, such as battery-powered equipment, portable electronic devices and motor control systems.Working Principle of XC6121C426MR-GThe XC6121C426MR-G is composed of two major components: a comparator and a reset controller. The comparator monitors the power supply voltage, and when it detects that the voltage is too low, it signals to the reset controller. The reset controller then activates the reset pin, which resets the system. The device features adjustable reset threshold, delay time, and reset drive current. The reset threshold can be set to detect both low and high-voltage states, allowing for precise power monitoring and system sequencing. On the other hand, the reset delay time can be adjusted from 0 to 170ms, giving the user the flexibility to choose the appropriate time to reset the system. Furthermore, the reset output drive current can be adjusted to drive the reset pin on the system and can be set to 1mA, 4mA, or 20mA. Conclusion The XC6121C426MR-G is a versatile PMIC – Supervisors device designed for automotive and industrial applications, such as power supply monitoring, power sequencing and reset. It features a wide working voltage range, adjustable threshold, delay time, and output drive current, enabling it to provide precise monitoring and system sequencing. Additionally, its low power consumption allows it to be used in battery-powered and other power-constrained devices.

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