XC6124C644MR-G

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The XC6124C644MR-G is a monolithic supervisor IC device used for power management and to monitor the power supply for a wide range of electronic applications. It is basically a three in one integrated circuit (IC) device that combines a voltage detector, an adjustable voltage supervisor, and a timer. It is categorised as a PMIC - Supervisors device.

Features

The XC6124C644MR-G features internal voltage detectors that support two input power supply voltages, a Vdd and Vcc. It consists of an independent circuit with its own voltage detection circuit that helps it monitor the operating voltages of both Vdd and Vcc. It operates at an operating temperature range of –25°C to +85°C and features a Maximum Detection Voltage of 5.9V, with Detection Voltage Hysteresis at ±500mV.

The adjustable voltage supervisor can be used to detect hardware faults that can be caused due to voltage glitches, or malfunctions in the system. It has a dual output delay time of 4ms and 5ms for VDD and VCC respectively that comes with 10 selectable capability. It also includes an independently operating timer circuit with a range of 0.1ms to 8.9s for watchdog timing applications.

General Specifications

• Operating Voltage Range: 2.2V to 5.5V
• Factory-set VDD and VCC Output Voltage Thresholds: 3.0V and 4.63nV
• Maximum Operational Current: 850µA (Lockout) and 130µA (Oscillator)
• Maximum Output Saturation Voltage: 0.3V
• Maximum Delay Time (at VDD): 8.9s
• Minimum Delay Time (at VDD): 0.1ms
• Operating and Storage Temperature Range: -25°C to +85°C
• Package: 32-pin TSSOP

Applications

The XC6124C644MR-G is primarily used in a wide range of electronic applications. It is used to monitor the supply voltage and it helps protect equipment from over or under voltage. It is ideal for various electronic products such as digital cameras, digital video cameras and other power sensitive products. It can be used in many other applications such as portable audio, mobile phones, PDAs, games and office automation.

Working Principle

The working principle of the XC6124C644MR-G is quite simple.When the input voltage is greater than the preset level (Vdd or Vcc), the chip will output an active high signal (open-drain output) to indicate that the voltage is in the safe range.When the input voltage drops below the preset level (Vdd or Vcc), the chip will output an active low signal (open-drain output) to indicate that the voltage is in the unsafe range. This allows the device to monitor the supply voltage, and it helps protect equipment from over or under voltage.

The XC6124C644MR-G utilizes a voltage detection circuit and an adjustable voltage supervisor to maintain two input power supply voltages such as Vdd and Vcc. The adjustable voltage supervisor feature enables users to set the desired levels of Vdd and Vcc and it will detect any faults that may occur. In addition, the XC6124C644MR-G has an independent timer circuit that can be used for watchdog timing applications.

To summarize, the XC6124C644MR-G is a PMIC - Supervisors device that is used for power management and to monitor the power supply for a wide range of electronic applications. It utilizes a voltage detection circuit and an adjustable voltage supervisor to maintain two input power supply voltages such as Vdd and Vcc. The adjustable voltage supervisor feature enables users to set the desired levels of Vdd and Vcc and it will detect any faults that may occur. In addition, the XC6124C644MR-G has an independent timer circuit that can be used for watchdog timing applications.

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