STM819MDS6E

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The STM819MDS6E belongs to the Supervisors family of Power Management ICs (PMICs). It is a low-power, high-speed, single-channel voltage supervisor designed to protect electronics equipment against accidental power fluctuations, line overvoltage, and reverse polarity. The device features rail-to-rail input/output and low quiescent current. It offers fast start-up and adjustable reset threshold voltage, hysteresis and delay, making it suitable for a wide range of applications. Additionally, the STM819MDS6E is RoHS compliant, reduces the need for external components, and features a thin SOT-23-5 package, which helps to minimize board space requirements.

STM819MDS6E is ideal for use in embedded systems that require an active low reset signal in the presence of erratic supply voltage levels. The supervisor monitors the input voltage, and upon detecting one of the abnormal conditions, it emits a reset signal that instructs the host system to reboot. It can also be used as a safety switch for circuits with high capacitance loads, such as battery charging and system power-up.

STM819MDS6E incorporates a terminal with an adjustable reset threshold from 0.8V to 2.5V, and a reset active time-out delay from 1ms to 24 hours. This allows users to precisely tailor the device to their specific needs, protecting their electronics equipment in the case of accidental power disturbances.The device also features voltage overshoot protection, which monitors the input voltage to detect if it exceeds its upper limit, immediately generating a reset signal. This helps to significantly reduce start-up glitches.

The main purpose of the STM819MDS6E is to keep an electronics system safe by executing a reset signal in the event of voltage fluctuations or overshoots. This prevents the circuit from overloading, which could cause permanent damage. The device can also serves as a safety switch for high capacitive load such as rechargeable batteries, super capacitors, and solar panel. This ensures that the system can quickly power up without any overloading.

STM819MDS6E is a highly reliable and cost-effective solution for supervising the power performance of electronics systems. It enables the system to operate with great stability and consistency between ambient temperature range -40℃ to +85℃, which ensures the reliable functioning of the system. Furthermore, the thin 5-pin SOT23 package minimizes board space requirements, making it suitable for a variety of printed circuit-board (PCB) applications.

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