DGD05463FN-7

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Power management integrated circuits (PMICs) are essential components in present day’s electronic circuits. PMICs are widely used for voltage and current control as well as to drive loads in various systems. Gate drivers are a specific type of PMICs that are used to provide high current drive to gates of switching power devices such as MOSFETs, IGBTs and BJTs. They facilitate fast turn-on, turn-off and bidirectional switching of switching devices, thereby allowing simplified designs and reduced losses in the respective circuit.

The DGD05463FN-7 is a high-performance gate driver IC integrating two channels each supporting up to 1.5A source or 2A sink current and up to 40V of gate-source voltage drive capability. It has become popular in a wide variety of applications due to its excellent turn-on, turn-off and bidirectional switching characteristics, easy and safe handling of very high switch currents, and excellent thermal and electrical robustness.

The DGD05463FN-7 is widely used in applications such as motor control, power converters, and portable device powering. Motor control applications include brushless DC motors, stepper motors, and AC induction motors. It is also used in power converters such as flyback converters, port-controlled H-bridges, buck converters and SEPIC converters. The DGD05463FN-7 is often used in powering portable devices such as laptop PCs, tablets and mobile phones.

The working principle of the DGD05463FN-7 is based on output driving capability coupled with low on-resistance, high voltage and source/sink current. It consists of two power outputs with cross-conduction protection, which allows both outputs to be driven simultaneously in two phases when operated in parallel. This helps in delivering higher current capability and eliminating shoot-through current flowing through both outputs. The IC also comes with over-current protection, short-circuit protection, overtemperature protection and under-voltage lockout (UVLO), offering improved system reliability.

The DGD05463FN-7 is capable of driving power switches such as IGBTs and MOSFETs for fast switching and bidirectional control. It features separate logic and power supply inputs, which can be activated by either high side (boot strap) or low side (ground referenced) logic. This feature allows for greater flexibility in the design requirements.

The device contains both high-side and low-side drivers in one package, making it suitable for both synchronous as well as asynchronous power switching. It also has an integrated level shifter, allowing up to 200V of working voltage. It can drive both low-side and high-side N-channel MOSFETs or IGBTs at up to 40V gate-source voltage and up to 1.5A or 2A respectively.

The DGD05463FN-7 has built-in features such as propagation delay matching, over-current protection and UVLO to ensure system reliability, making it a popular choice for applications requiring fast and efficient gate driving. The device’s improved PSRR and temperature range further adds to its superior performance.

The DGD05463FN-7 is a versatile and capable IC which can easily cope with the demands of a wide range of applications, thereby allowing engineers to focus on the other components of the system. It provides precise and efficient gate driving capabilities paired with low-cost and improved system reliability, making it a popular choice for synchronous and asynchronous power switching applications.

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