The IR21381QPBF is a highly efficient half-bridge gate driver IC component designed for applications requiring high-speed switching, such as motor control, power supplies, inverters, and solar inverters. It is capable of driving high-power MOSFETs and IGBTs.
Key features of the IR21381QPBF include:
1. High Gate Voltage: It can generate drive voltage up to 25V, allowing effective control and fast switching of power devices.
2. Protection Features: The IC incorporates various protection features such as Under-Voltage Lockout (UVLO), over-current protection, and over-temperature protection, ensuring safe operation and preventing damage to the power devices.
3. Bootstrap Operation: The chip incorporates bootstrap operation for high-side gate driver, eliminating the need for a separate floating power supply, thus simplifying the circuit design.
4. Integrated Bootstrap Diode: The IC integrates a high-voltage bootstrap diode, further simplifying the external component count and the PCB layout.
5. Programmable Delay: It provides flexibility in switching timing by offering programmable dead time between high-side and low-side MOSFETs, avoiding the risk of shoot-through or cross-conduction.
6. Low Power Consumption: The IC minimizes power losses by utilizing a low quiescent current, thus increasing overall efficiency and prolonging battery life in battery-powered applications
