THS6002CDWP

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THS6002CDWP device is an integrated bridge rectifier and peak current mode controller with integrated gate driver of 2N5551 power transistors for high voltage switching applications. It is a low cost solution for driving single N-channel MOSFET and IGBT switch in self-contained package.

The THS6002CDWP family works over an extensive range of gate voltages from 4 volts to 18 volts to ensure reliable gate control for switching devices in the presence of large transients across the drain voltage.

The THS6002CDWP is designed to reliably drive up to 8 Amperes peak current of N-channel switches providing short rise and fall times of gate voltage. It provides an operating voltage range of 4.5V to 18V and can operate in temperatures up to 150°C junction.

Application field:

• High voltage switching applications up to 600V
• Universal mains and SMPS converters
• AC/DC adapters
• Socket converters
• LED lighting and motor drives
• High frequency ballast applications

Working principle:

The device is an integrated bridge rectifier and peak current mode controller IC with an integrated gate driver of 2N5551 power transistors for high voltage switching applications. The rectifier allows input power to be converted from high frequency ac waveforms to a steady dc voltage for control and drive of the switch. The peak current mode controller responds to the high frequency pulse shape at the input and modulates the switch gate voltage based on the current waveform being generated. The gate driver provides a low side switch drive by providing a low resistance path to ground when the switch is meant to be switched off. The IC also provides integrated over voltage and over temperature protection.

The THS6002CDWP device operates in two stages. The first stage is the rectifier stage which rectifies the input waveform and produces a DC voltage that is proportional to the voltage of the waveform. This DC voltage is then fed to the peak current mode controller which respons to it and determines the gate voltage needed to switch the MOSFET on and off.

The peak current mode controller measures the current waveforms being generated by the input waveform and uses this information to correlate the switch timing. The frequency of the waveform determines the frequency of the cycles when the switch is both on and off. On the rising edge of the waveform (positive going), the switch is turned on, and on the falling edge of the waveform (negative going) the switch is turned off.

The 2N5551 Transistor is used as a power switch to turn on and off the switching transistor. It provides a low resistance path to ground when the switch is meant to turn off. The device also provides integrated over temperature and over voltage protection.

The device is an integrated bridge rectifier and peak current mode controller IC with an integrated gate driver of 2N5551 power transistors for high voltage switching applications. This device is a low cost solution for driving a single N-channel MOSFET or IGBT switch in a self-contained package. This device works over an extensive range of gate voltages from 4 volts to 18 volts and is designed to reliably drive up to 8 Amperes peak current of N-channel switches providing short rise and fall times of gate voltage.

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