AQY221R2VY

Series:	PhotoMOS™ AQY
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC (RF)
Voltage - Input:	1.14VDC
Voltage - Load:	0V ~ 40V
Load Current:	250mA
On-State Resistance (Max):	1.25 Ohms
Termination Style:	SMD (SMT) Tab
Package / Case:	4-SMD (0.175", 4.45mm)
Supplier Device Package:	4-SSOP

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AQY221R2VY application field and working principle

Solid State Relays (SSRs) are a form of advanced switching technology that use semiconductor-based components to transfer electrical signals. They are commonly used to replace electromechanical relays in a variety of applications, including industrial, medical, and commercial. The AQY221R2VY is a type of SSR that is optimized for precise control of current and voltage in battery charging and traction applications.The AQY221R2VY is based on a MOSFET structure, which is designed for high speed and precise current control. It is composed of four terminals: the drain, gate, source, and power terminals. The drain and source are connected to the load, while the gate and power terminals are connected to the control circuit. The SSR is activated when the gate voltage is higher than a certain threshold voltage, usually 3V. When the gate voltage is higher than the threshold voltage, current flows from the power terminal to the gate, creating a conducting channel between the drain and source terminals. This allows higher current to flow through, and the load is powered.The AQY221R2VY is designed to provide precise control of the load voltage and current. This is done by controlling the gate voltage and regulating the switching speed of the SSR. It has a fast switching speed of 100kHz and can be triggered by a low voltage signal of 3V. This allows it to react quickly to changes in the load voltage and current, ensuring a stable power supply.The AQY221R2VY can be used in a variety of applications that require precise current and voltage control, including battery charging and traction applications. In battery charging and traction applications, the SSR can be used to switch power sources in order to regulate the charge rate of the battery and ensure an efficient and safe charge process. The AQY221R2VY can also be used in robotics applications, where it can be used to control the speed and direction of the motor.The AQY221R2VY is a reliable and efficient type of SSR that offers precise control of current and voltage. It is designed for use in applications that require precise current and voltage control, such as battery charging and traction applications. Its fast switching speed and low voltage signal triggering makes it ideal for applications that require quick response times. With its robust and reliable design, the AQY221R2VY is an ideal choice for any application where precise current and voltage control is required.

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