VNB49N0413TR

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The VNB49N0413TR is an integrated power switch designed by Vishay Intertechnology. It is an advanced, reliable, low on-resistance and high voltage power device. Primarily designed for current and voltage switching applications, the VNB49N0413TR supports both linear and PWM mode applications. The VNB49N0413TR can control both the load current or voltage, and the switch current or voltage, and the switch current can be programmed to be either low or high. The technology is based on a proprietary "shuttle switch architecture" that is capable of managing dynamic load swing and fast transient response.

The VNB49N0413TR belongs to the wider PMIC - Power Distribution Switches, Load Drivers category. Its main application field is for switching in low current and high voltage applications found in consumer and industrial equipment. Typical applications include appliance controls, industrial motors, lighting, tablets, gaming systems and other consumer electronics. It is also used in automotive and industrial motor drives, inverters, motor controls, HVAC systems and transformers.

The VNB49N0413TR is a low on-resistance and high voltage power device with excellent protection features. It uses advanced level-shift technology and comes with configurable fault protection, which protects against over-voltage and reverse voltage. A 2-level circuit protection system is included in the device to provide over-temperature protection, under-voltage lockout, over-current protection, and reverse current protection. Furthermore, the device also provides over-current and reverse current protection, reverse current sensing, and load shift control.

The working principle of the VNB49N0413TR involves two discrete power switch elements connected in series. The switch elements turn on and off during the switching cycle, controlling the power delivered to the load. The two elements act in tandem to control the power directly. This is done by variably adjusting the on-resistance of both elements during the on-time, allowing the total current through the switch to be controlled.

In the OFF status, both switch elements are kept OFF, so there is no current flowing through the VNB49N0413TR. When the switch is turned ON, both elements are turned ON in a programmed sequence and the current is allowed to flow through both elements. This allows for minimum on-resistance and maximum efficiency. In addition, when one element is switched on, the other element is kept OFF, thus providing high voltage isolation.

In addition, the VNB49N0413TR provides load ADC read-back and system diagnostics using an integrated load monitor voltage and a fault detection module. Load ADC read-back ensures that the correct voltage level is supplied to the load. System diagnostics can perform a number of functions, such as monitoring the load current, temperature, and other important parameters.

In conclusion, the VNB49N0413TR is a high voltage, low on-resistance power device, with excellent protection features and advanced level-shift technology. It is mainly used in low current, high voltage applications found in consumer and industrial equipment, such as automotive and industrial motor drives and HVAC systems. It utilizes a proprietary "shuttle switch architecture" that allows for dynamic load switching and fast transient response. The VNB49N0413TR can be programmed to control both the load and switch current, thus providing excellent protection and high voltage isolation.

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