X5165V14-4.5A

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active High
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	4.63V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	14-TSSOP
Base Part Number:	X5165

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Introduction to X5165V14-4.5AThe X5165V14-4.5A is a divider-based voltage monitor product from Xicor. This robust, precise and cost effective device is designed to sense microprocessor supply voltages in applications such as digital signal processors, general-purpose MCUs, IGBTs and switch-mode power supplies. Application FieldThe X5165V14-4.5A can be applied in a wide range of applications, from automotive to consumer electronics, robotics, medical equipment and more. Its primary use is as a power supply supervisor, providing cost-effective supply voltage supervision to ensure that the microprocessor’s supply voltages remain within spec, protecting the microprocessor and other peripherals from potential damage.In automotive applications, the X5165V14-4.5A can be used as an engine start-up protection device. This is accomplished by using the voltage monitor device to detect when the battery voltage drops below preset levels, and then cutting power to the engine components to prevent damage. In consumer electronics, such as MP3 players, cell phones and PDAs, the X5165V14-4.5A is used to control charging, and to protect against over-voltage and under-voltage scenarios.For robotics and medical applications, the device can be used to protect against hardware malfunctions, as it monitors and limits operating voltages to prevent data corruption or loss.Working PrincipleThe X5165V14-4.5A works on a basic principle of monitoring the microprocessor’s supply voltages and then either raising or lowering the output voltage as needed. The device utilizes a voltage divider network to accurately monitor supply voltages. In the event that the input voltage rises above or drops below a preset level, the X5165V14-4.5A will respond by either cutting off power to the processor or raising the voltage to meet the microprocessor\'s supply voltage needs. The divider network consists of two resistors connected in series, and the output voltage is proportional to the ratio of the two resistors. The divider is connected to the input voltage source, and the output of the divider is sent to one of the inputs of the X5165V14-4.5A. When the supply voltage changes, the resistors change proportionately, generating a corresponding voltage change at the input of the X5165V14-4.5A. The device then internally adjusts the output voltage of the divider to keep the output within the preset limits, thereby providing guaranteed voltage regulation.Aside from voltage monitoring, the X5165V14-4.5A also provides over-current protection, thermal shut-down, programmable reset timeout and over-voltage warning. ConclusionThe X5165V14-4.5A is a cost-effective, robust and precise device for monitoring and accurate voltage regulation for microprocessors in a wide range of applications. Its divider-based voltage monitor system opens up a world of possibilities for designers to make use of, from automotive engine protection to consumer electronics and medical device protection.

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