IR2133PBF

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IR2133PBF, which belongs to the family of PMIC gate-drivers. It is a high-voltage, high-current half-bridge driver with a 3A (max) output current and 600V (max) output voltage rating. This device provides dual channels of independent gate control to drive two small N-channel power MOSFETs in a half-bridge configuration.

The design of the device makes it ideal for applications such as motor drives, switch-mode power supplies, and pulse-width modulation (PWM) switching. Its wide power range makes it suitable for use in AC/DC supplies, DC/DC converters, and regulated DC/DC supplies. Its compact footprint and wide power range make it an attractive solution for a variety of applications which require the use of an efficient and robust control system.

IR2133PBF features a logic-controlled, dual-half bridge current-control driver with an internal fast-response error amplifier. It can also be triggered with independent, dual-channel enable and full/half-step enable inputs. This makes it easy to configure and synchronize the device with other digital or analog devices. It also has an adjustable deadband voltage which enables its application to a wide range of devices.

The device also has an adjustable current sense input, which enables the monitoring of the MOSFET current through the device. This allows the user to monitor the current flows and react accordingly to keep the system running smoothly. The device can be powered by an external power supply or with an internal DC/DC converter. The adjustable dead-time circuitry ensures that the two opposite MOSFETs can never be turned on at the same time, avoiding any unexpected damages.

The working principle of the device is based on its logic-control circuit and fast-response error amplifier. The logic circuitry takes the enable and step-enable inputs and creates the transition signals which cause the error amplifier to adjust the voltage at the power MOSFETs. The output voltage is controlled by a constant-voltage reference, which can be adjusted by changing the feedback resistor.

The current control is implemented through a current-sense input. The current sense input can be connected to one of the output\'s sources in order to monitor the current flow. The output current can then be adjusted with the help of a current-limit circuitry. This current-limit circuit acts as a safety feature, which protects the device from over-current conditions and ensures that the outputs do not exceed the required current.

IR2133PBF is a very efficient and robust gate driver that offers excellent protection and precise control in many applications. It is designed to provide reliable and precise control of multiple power MOSFETs in a half-bridge configuration. Its wide voltage rating, adjustable dead-time and error amplifier provide precise current and voltage control. Its internal DC/DC converter and adjustable current sense input make it ideal for both motor drives and switching applications.

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