TLV2354IPWR

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TLV2354IPWR is a linear-comparator integrating circuit (IC) device manufactured by Texas Instruments. It is a single-channel, push-pull output voltage detection circuit that can be used to safely detect incoming power input signals. The voltage threshold detection and hysteresis circuit provides high noise immunity with multiple response-time options. The device also offers four, low-voltage hysteresis options to match the desired application.

The TLV2354IPWR IC provides a field-programmable threshold voltage detector for monitoring the voltage level of the incoming power signal. It has an integrated, voltage-controllable hysteresis switch, allowing it to detect voltage level changes from as low as 1.5 V to as high as 14 V. It can be configured to operate from 3.2V to 14V and features an industry-standard eight-pin SOIC (Small Outline Integrated Circuit) package.

The IC’s primary application field is for use in the automotive or industrial market where it can monitor the incoming power signal during power-on or power-off transitions. It can also be used to detect brown-out conditions or detect low-voltage levels. In addition, the device’s hysteresis warning can be used in applications such as stand-by power supply to indicate when a brown-out condition is imminent.

The device’s working principle is based on its response to the incoming power input signal. In its normal state, the device monitors the incoming power signal to determine whether the input voltage is within the acceptable range. When it falls outside the allowable range, the device switches the output. This can be used to switch off the power supply when the input voltage is too low, or switch off the load when it is too high.

The device can be configured with a fixed or adjustable threshold and response time. A fixed threshold can be set either directly, or by using a resistor or capacitor at the adjustment pin. When the user desires a faster response time, an additional capacitor can be used to set the response time. When the incoming power reaches the programmed threshold, the input line will switch low, signaling the device to react.

The TLV2354IPWR can operate in two modes, single-channel and dual-channel. In single-channel mode, the device will only detect one incoming power signal and switch the output accordingly. In dual-channel mode, two power signals can be monitored and compared. This mode is useful for monitoring the input power of multiple sources, such as a battery and an AC adapter.

The TLV2354IPWR is an ideal choice for applications where reliable voltage detection and hysteresis requirements need to be met with a single IC. It is a low-cost, flexible and reliable solution for monitoring and controlling incoming power signals from either a single or a dual-source. With its many built-in features and configurable options, it is a versatile and easy to use device for a wide range of industrial and automotive applications.

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