X4645V8-4.5A

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The X4645V8-4.5A is a PMIC – Supervisors component designed for the use in a wide range of applications.

The X4645V8-4.5A is a versatile component that combines voltage supervision, power sequencing, and power-on reset control. Its features include a wide range of voltages from 1.8V to 5.5V and low static power consumption. It also provides a three-state output for power sequencing and reset output for two cycles at power-up and one cycle at power-down. The component also includes a watchdog timer to prevent a system crash due to a software malfunction.

The X4645V8-4.5A has various integrated functions, including:

• Voltage Supervision: With the adjustable threshold level, this component can detect when the voltage is below the set level, providing a precise indication of impending system failure.
• Power Sequencing: This component can sequence the power supply and reset functions to ensure orderly power-up and maximize system reliability.
• Power-on Reset Control: The X4645V8-4.5A provides a two-cycle reset output at power-up and one cycle at power-down, which is helpful for preventing system crashes due to power supply glitches and software malfunctions.
• Watchdog Timer: This component provides a watchdog timer to prevent system crashes due to software malfunctions.

The X4645V8-4.5A can be used in a wide range of applications, such as automotive electronics, industrial automation, power supply systems, and consumer electronics. The component is suitable for a variety of voltage source application requirements, including startup sequencing and power-on reset control. It is an ideal choice for power supply designs that require precise voltages and reliable system performance.

The X4645V8-4.5A design uses a low-power comparator to make accuracy voltage measurement and to start an internal power-on reset timer. The component includes an adjustable threshold to set the voltage level where the emergency reset will originate and also has a minimum reset duration. The component also includes functions such as an internal voltage-sense circuit to sense power failure, a soft reset input from the microcontroller and a reset output to shutdown other components.

In summary, the X4645V8-4.5A is a versatile component that combines voltage supervision, power sequencing, and power-on reset control. Its features include a wide range of voltages from 1.8V to 5.5V and low static power consumption. It can be used in a wide range of applications, such as automotive electronics, industrial automation, power supply systems, and consumer electronics. The component provides a two-cycle reset output at power-up and one cycle at power-down, which is helpful for preventing system crashes due to power supply glitches and software malfunctions. The component also includes a watchdog timer to prevent a system crash due to a software malfunction. Thus, making it an ideal choice for power supply designs that require precise voltages and reliable system performance.

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