TPS2819DBVRG4

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The TPS2819DBVRG4 is a gate driver IC available from Texas Instruments. It has high-efficiency integrated common- and low-side gate drivers, a series/parallel gate driver to drive two N-channel MOSFETs, a ready-to-use gate driver supply voltage regulator, current sense, and a wide operating range that supports low-voltage operation. It is part of Texas Instruments\' Power Management IC (PMIC) family of products, and can be used for a variety of applications, primarily in automotive and industrial applications requiring high current drive capability.

The TPS2819DBVRG4 is a 5-channel integrated gate driver featuring two high-efficiency common- and low-side gate drivers, a series/parallel gate driver, an adjustable current sense amplifier, a ready-to-use gate driver supply voltage regulator, an error amplifier/protected load thermal control circuit, and a wide operating range with support for low-voltage operation. The two independent gate drivers are designed to drive two N-channel power MOSFETs – one in the high side and one in the low side – while providing high efficiency, low on-resistance, low harmonic distortion, and high peak current capabilities. In addition, the TPS2819DBVRG4 includes a series/parallel gate driver which can be used to drive two N-channel MOSFETs in a parallel configuration for higher current applications.

The integrated ready-to-use gate driver supply voltage regulator can be used for applications that require the use of external gate drivers but do not have an available gate driver supply rail. The adjustable current-sense amplifier allows for precise current sensing and over-current protection, and the error amplifier is used to control the load thermal shutdown voltage. Furthermore, the device allows for low-voltage operation and supports a wide operating range of 4.5V to 17V.

In automotive applications, the TPS2819DBVRG4 can be used to drive high-side and low-side MOSFETs in parallel configurations for powertrain applications, such as electric vehicle powertrain systems, power steering systems, and HEV/EV motor drive systems. It can also be used for power-steering motor control, traction motor control, or motor driver applications. In industrial applications, it can be used for DC-to-DC converter control, LED illumination system applications, adjustable power supply control, electric motor drive control, and more.

The operational principle of the TPS2819DBVRG4 is simple. The two high-efficiency gate drivers are used to drive two N-channel MOSFETs in the high-side and low-side configurations, while the series/parallel gate driver is used to drive two N-channel MOSFETs in a parallel configuration. The adjustable current sense amplifier is used to detect and limit the current flow through the system, while the error amplifier controls the load thermal shutdown voltage. The integrated ready-to-use gate driver supply voltage regulator is used to provide the necessary supply voltage for external gate drivers. The device operates over a wide operating range of 4.5V to 17V and supports low-voltage operation.

Overall, the TPS2819DBVRG4 from Texas Instruments is a convenient, high-efficiency integrated gate driver that offers excellent protection and current-limiting capabilities, making it an ideal choice for a variety of automotive and industrial applications that require high current drive capability. Its wide operating range, low on-resistance, low harmonic distortion, and support for low-voltage operation make it an ideal solution for a variety of powertrain, power-steering, motor control, and DC-to-DC converter applications.

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