L6399DTR Integrated Circuits (ICs)

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The L6399DTR is a monolithic synchronous full or half-bridge gate driver IC used to drive Brushless DC (BLDC) and other motor types. For many applications, this IC provides rugged protection, good thermal stability, and a wide operating range, making it an ideal choice for switching small loads with high power demands. The wide operating range of the IC ranges from 6V to 16V. This enables it to manage motors that possess a wide range of supply voltage values. Furthermore, the IC is equipped with a bootstrap DC/DC converter for supplying the High-side transistor with the gate drive voltage required for enhancement control.

The main feature of the IC is its ability to withstand high drain-to-source voltage and support fast gate rising/falling edges without any gate voltage clamps. This helps minimize losses and improve efficiency. The IC also offers thermal performance better than comparable ICs thanks to its HV-CMOS technology. The device can deliver a peak gate current of up to 9 A, enabling it to operate high-power motors.

Another prime feature of the L6399DTR is its integrated EnDura drain-to-source voltage protection, which prevents accidental destruction of the IC due to voltage spikes or over-voltage conditions. The IC also features programmable input under-voltage lockout (UVLO), which helps protect the device against any accidental currents during power up and power down.

The IC also has two independent, identical half-bridge gate drivers that can be enabled and disabled via two separate pins. This feature allows the user to independently monitor two separate motors instead of using a single one. Additionally, the IC also has a programmable dead time, providing an advantage by allowing smooth, overlapping control of both half-bridge outputs and helping to improve the thermal performance.

The IC’s versatile design makes it a robust choice for many applications such as automotive, motor control and industrial motor control, robotic control, appliance control, and more. It is also applicable to speed control of permanent magnet DC motors and brushed motors. Additionally, the IC can also be used for robotics and other automation projects.

Overall, the L6399DTR is an ideal gate driver IC for a wide range of applications that require high power, robust protection, and good thermal performance. With the added features of an integrated EnDura drain-to-source voltage protection and programmable input under-voltage lockout, the IC is a reliable choice for most motor control applications.

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