VNL5030S5TR-E Integrated Circuits (ICs)

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PMIC, or Power Management Integrated Circuit, is responsible for managing power in today’s sophisticated electronic systems. One of its components is the Power Distribution Switch, Load Drivers, namely VNL5030S5TR-E.

Application Field

The VNL5030S5TR-E is suitable for power supplies and battery management in a variety of applications, such as industrial equipment, storage systems, motor drive systems, automotive systems, as well as consumer and communications designs.

Furthermore, due to its high current capability, loads up to 150mA can be driven with a single switch. This makes it a cost-effective and efficient solution when switching larger loads, such as motors and solenoid valves.

Working Principle

The Power Distribution Switch, Load Driver (VNL5030S5TR-E) is a single-channel high-current load switch I/O port. It can provide a maximum ON/OFF current up to 150mA with a low quiescent current of 30uA at VDD level 2.5V. The differential input voltage for operating the VNL5030S5TR-E is -1V to 6V.

When the device is in OFF mode, the switch will remain off until the logic low is applied to the current limiting control or logic input pin. When the logic low is applied, the switch is activated and the load current can flow up to its rated value. The device has an internal ESD protection circuitry that protects the device from ESD damage.

The device also has an overload protection which maintains the rated current when the voltage is above the device’s rated current. The protection circuit operates in two stages: latching protection and non-latching protection. Latching will stop the current flow as soon as the current goes above the rated current. On the other hand, the non-latching will stop the current flow only when the current exceeds the rated current for a certain period of time.

The device also features a thermal shutdown protection which will turn off the device when the temperature exceeds the rated temperature. The thermal shutoff can be disabled by applying an external voltage to the thermal shutoff pin.

In addition, the device also supports the reverse-current protection feature which protects the device from the over-current when the power is applied in reverse.

The VNL5030S5TR-E also supports two modes: Pin Latching and Output Load Control. In Pin Latching mode, the output is latched when the logic low is applied to the control pin. In Output Load Control mode, the output load current is controlled through value resistors connected to the enable pins.

To summarize, the VNL5030S5TR-E is a high-current switch able to provide a maximum current up to 150mA. It is suitable for applications such as industrial equipment, storage systems, motor drive systems, automotive systems, and consumer and communications designs. This device has several features such as ESD protection, overload protection, thermal shutoff, and reverse-current protection. It also has two operating modes, Pin Latching and Output Load Control.

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