TD350ETR

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PMIC - Gate Drivers are an important component of the power supply system, responsible for converting an electrical power signal into an electronic control signal. TD350ETR is a special type of driver designed for wide input voltage applications. This article will describe the application field and its working principle.

TD350ETR Applications

TD350ETR is capable of driving low voltage MOSFETs and IGBTs with wide input voltage range of 6V to 36V. It has an integrated high-side driver, which helps reduce the complexity and size of the system. It can be applied in a wide range of industrial and automotive applications, such as battery chargers, AC/DC converters, solar inverters, auxiliary power supplies and motor drivers. It also has wide temperature range capability from -40°C to 125°C.

The TD350ETR also has a very good signal-to-noise ratio of more than 65dB, which helps reduce the noise generated by the system. It also has EMI control capabilities, which reduces electromagnetic interference and makes the TD350ETR ideal for automotive applications.

TD350ETR Working Principle

The TD350ETR is based on the principle of voltage-mode control, which uses the feedback from the output voltage to regulate the gate voltage. This helps the TD350ETR to achieve excellent accuracy, regulation and fast turn-on speed. The TD350ETR is a four-channel driver that can drive four N-channel MOSFETs or IGBTs. The TD350ETR has a built-in Steady-State Protection, which helps limit the discharge of the output voltage during a short circuit or overload event.

The input voltage of the TD350ETR can be quite wide, ranging from 6V to 36V. The input voltage is protected against reverse polarity and the output is protected against overcurrent and short circuit. The TD350ETR has an integrated circuit breaker, which helps protect the system from overcurrent events.

The TD350ETR has a three-state capability, which allows the user to choose between active mode, low-side switching and high-side switching. The active mode allows the user to choose the maximum output voltage with fast turn-on time. The low-side switching allows the user to switch between the different voltage levels without having to reconfigure the circuit. The high-side switching allows the user to switch the gate voltage to any of the other available outputs. This helps reduce the complexity of the circuit and saves time and cost.

The TD350ETR can also be used in a daisy-chain configuration, which allows the user to control multiple MOSFETs or IGBTs from the same source. This feature is especially useful for driving large arrays of MOSFETs or IGBTs. The TD350ETR also has a wide range of diagnostic and protection features, which helps protect the system and improve reliability.

Conclusion

TD350ETR is a versatile voltage driver designed for wide input voltage range applications. It is suitable for a wide range of applications such as battery chargers, AC/DC converters, solar inverters, auxiliary power supplies and motor drivers. The TD350ETR has a wide range of features such as voltage-mode control, signal-to-noise ratio, built-in EMI control, and steady-state protection, which makes it an ideal choice for industrial and automotive applications.

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