TPIC46L03DBRG4

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PMIC – Gate Drivers refers to the system of integrated circuits which are designed or used to control or drive logic gates or other components. The most common application of PMIC is the driving of transistors, FETs, and integrated circuits. The TPIC46L03DBRG4 is a type of PMIC – Gate Driver. This Application Report explains the application field and working principle of TPIC46L03DBRG4.

The TPIC46L03DBRG4 is a product of Texas Instruments. It is a low-cost, low-power, single-channel gate driver IC intended for use in Office Automation systems, Industrial machines and equipment, Automotive and consumer products. This gate driver IC has an integral output voltage clamp and power-on-reset circuits which allows it to be used in a wide variety of applications and features an integrated, linear-output gate driver. It is designed for driving small to medium power N-Channel MOSFETs and IGBTs.

The TPIC46L03DBRG4 is an ideal gate driver for N-channel MOSFET or IGBT when used in Battery Charging, Automotive Powertrain, DC-to-DC Converter, Hard Disks and other Office Automation or Industrial Equipment. As this IC has an integral output voltage clamp ranging from 4V to 10V, it ensures that the MOSFET or IGBT remains in a weakly conducting state during the OFF time of the device.

The basic operating principle of TPIC46L03DBRG4 is very simple. When a voltage signal is applied to the input end of the device, the integrated linear gate driver of the IC increases the speed of the output MOSFET/IGBT to its required level. When the input voltage is removed, the output MOSFET/IGBT shuts off due to the integrated output voltage clamp circuit. This voltage clamp prevents the MOSFET/IGBT from going into the strong conducting state and locking on.

The TPIC46L03DBRG4 is a robust and cost effective gate driver. It is capable of driving up to10A, making it ideal for driving small to medium power N-channel MOSFETs and IGBTs. It has wide operating voltage range from 4V to 24V and can sustain peak voltage of 50V intermittently. It has fast switching speed and low power consumption. The output clamp is capable of clamping the voltage between 4V to 10V. Thus, it provides efficient overvoltage protection. It is available in various packages with either SSOP, TSSOP and PDIP versions.

In conclusion, the TPIC46L03DBRG4 is an ideal gate driver for N-Channel MOSFET/IGBT applications. It has wide operating voltage range and high peak voltages. It has low power consumption and fast switching speeds. Its integral output voltage clamp ensures that the MOSFET/IGBT remains in a weakly conducting state during the OFF time of the device. This application report serves to explain the application fields and working principle of TPIC46L03DBRG4.

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