TPS2813DR

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Gate Driver is an important type of power management integrated circuit (PMIC), which can transfer and control power efficiently. The TPS2813DR is a high-efficiency, low-cost and easy-to-use gate driver. It is mainly used in fast power conversion applications, such as DC/DC converters, synchronous buck converters, and isolated dc/dc converters. This paper will discuss the application field and working principle of the TPS2813DR.

Application Field

The TPS2813DR is an integrated gate driver circuit with a wide voltage range. It can output up to 2 Amps of peak current, making it suitable for higher power power switches. Its wide operating voltage range of 6V to 30V allows it to be used in a variety of applications, including automotive, industrial, commercial, and medical. Its high efficiency and low quiescent current makes it ideal for portable, battery-powered applications.

The TPS2813DR has built-in reverse polarity protection, which prevents reverse current flow, and ESD protection, which dissipates transient spikes in voltage. The device also incorporates a thermal protection circuit and an over temperature shut- down feature. This makes it well suited to use in high-reliability applications, such as automotive and industrial.

The TPS2813DR has two independently controlled high-side and low-side MOSFET drivers. This allows for fast switching, and provides additional flexibility for system design. The device also has a built-in bootstrap circuit, which allows for operation with a single supply voltage. This feature simplifies system design, and reduces the required number of external components.

Working Principle

The TPS2813DR gate driver uses a two-stage drive architecture, consisting of a pre-driver stage and a high drive stage. The pre-driver stage serves to amplify and level-shift the base drive, and the high drive stage provides the current necessary to turn on the switch.

The pre-driver stage of the TPS2813DR consists of a pair of cascaded inverters. This stage amplifies and level-shifts the base drive, providing the necessary voltage swing to the high drive stage. The high drive stage translates the amplified drive waveform into a MOSFET gate drive signal, allowing for fast switching.

The TPS2813DR also includes a built-in bootstrap circuit. This circuit uses an internal charge pump to generate a high voltage that is used to switch the MOSFETs on and off. The bootstrap circuit allows the device to operate from a single supply voltage, and eliminates the need for additional external components.

In addition to its drive stages, the TPS2813DR also includes a number of fault protection features. These features include over-current protection, under-voltage protection, thermal shutdown and reverse polarity protection. These features ensure that the device operates safely and reliably in a wide variety of applications.

Conclusion

The TPS2813DR is a high-efficiency, low-cost and easy-to-use gate driver which is widely used in applications requiring fast power conversion, such as DC/DC converters, synchronous buck converters, and isolated dc/dc converters. The device has a wide operating voltage range of 6V to 30V, and is well suited to use in high-reliability applications, such as automotive and industrial. The device has a two-stage drive architecture, and includes a built-in bootstrap circuit. Additionally, the TPS2813DR includes several fault protection features to ensure the safe and reliable operation of the device.

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