NCV2200SQ2T2G Integrated Circuits (ICs)

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The NCV2200SQ2T2G developed by ON Semiconductor is a linear, dual-comparator switch for a wide range of applications.

It features on-chip hysteretic voltage references, a wide common mode voltage range, and low power consumption. It can be used as a high-side switch, an analog multiplexer, a PWM voltage switch, a voltage-controlled switch, a voltage-controlled pulse width modulator, an adjustable voltage regulator, and a low-voltage comparator switch.

Application Field:

The NCV2200SQ2T2G is suitable for a wide range of applications including: power-supply voltage monitoring, temperature monitoring, over-voltage protection, automotive applications such as headlight dimmers, LCD backlight dimmers, and pulse-width modulators.

It is also suitable for many industrial and consumer applications, as well as for motor control, robotics, and power management.

Working Principle:

The device features two comparators, each of which has an independently adjustable reference voltage. The common mode voltage range of the comparators is wide, ranging from -1.2 V to +7 V. The output of the device is an open-drain output, providing a low resistance path to ground when the higher reference voltage is exceeded. The polarity of the output is easily adjustable, allowing the device to be used for both high and low side switching. Each comparator also has an adjustable hysteresis voltage, providing hysteretic behavior for improved noise immunity.

The device features two control pins, one for each comparator. When a logic signal is received on either of these pins, the corresponding comparator is enabled and the output of the device is determined by the voltage at the input. In this way, the device can be used to start or stop operations, or to switch from analog to digital modes. The device is also capable of pulse-width modulation, allowing it to be used as a voltage-controlled pulse width modulator.

The device is powered through an independent power supply and can operate over a wide supply voltage range of 2.6 V to 6.5 V. It has low power consumption, making it suitable for low-power applications. Additionally, the device is highly resistant to ESD, making it suitable for use in automotive applications.

In conclusion, the NCV2200SQ2T2G is a versatile and powerful linear dual-comparator switch. Its wide common mode voltage range and low power consumption make it ideal for a variety of applications, including automotive, industrial, and consumer applications. Its two independently adjustable comparator outputs and hysteresis feature enable it to be used for both high and low side switching, making it a great choice for applications requiring voltage-controlled switching and pulse width modulation.

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