AAT4616IGV-T1

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AAT4616IGV-T1 Application Field and Working Principle

The AAT4616IGV-T1 is a device belonging to the family of Power Distribution Switches, Load Drivers that enables an array of applications in the market. To name a few, these applications include smartphones and tablets, personal computers, set-top boxes, global positioning systems, and industrial and medical equipment, as well as a wide range of automotive applications. This device is based on a two terminal, SPDT (Single Pole Double Throw) switch and it’s ideal for low-side or high-side applications. The single operational amplifier can drive up to 1.5A load at 1.5V-6.5V Voltage supply. Its 1A RDS(on) at 4.5V and the integrated regulator provide a very low power consumption of 70uA.

The product selection page for this device provides additional information and data. So what is the overall feature of this product? An overview of the features and specifications is provided below.

Features:

• 2-terminal, SPDT (Single Pole Double Throw) switch with single operational amplifier
• Ideal for low and high side applications
• Redundant over-current and over-temperature protection
• 1A RDS(on) at 4.5V and integrated regulator
• 1.5V-6.5V voltage supply
• Very low power consumption of 70uA
• High operating temperature up to 150°C
• No gate factors (low gate delay)

Specifications:

• Voltage rating: 2.7V to 6.5V
• Current rating: 2A max
• Output voltage: 0V to 1.5V
• Output current: 1A max
• Polarity: positive or negative
• Power Dissipation VIN(MAX): 0.5A (max)
• Package: SSOP20

The principle of operation of AAT4616IGV-T1 is given by the working principle of SPDT switch. This switch can be operated either high-side or low-side, meaning it can be connected between VDD and the output node for high side operation and between the output node and ground for low side operation. This allows the user to control the switching of the load from one of two sources.

The internal construction of this device makes use of two low on-resistance DMOS devices (DrMOS) which make up the two terminals of the switch. This makes it highly efficient with very minimal power loss and excellent on/off conditions. The switches\' control circuit is further aided by an operational amplifier which can control output to 1.5A at 3V and 6.5V. The device is temperature and over-current protected and capable of operating at temperatures up to 150°C.

In summary, the AAT4616IGV-T1 is a two-terminal SPDT switch of the Power Distribution Switches, Load Drivers family used in a variety of applications. An operational amplifier enables operation at up to 1.5A at 1.5V-6.5V Voltage supply, with a very low power consumption of 70uA. Furthermore, the device is temperature and over-current protected and capable of operating at temperatures up to 150°C.

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