L6747ATR Integrated Circuits (ICs)

Current - Peak Output (Source, Sink):	3.5A, -
Base Part Number:	L6747A
Supplier Device Package:	8-VFDFPN (3x3)
Package / Case:	8-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	--
High Side Voltage - Max (Bootstrap):	41V
Input Type:	Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 2V
Voltage - Supply:	5 V ~ 12 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC – Gate Drivers: L6747ATR Application Field and Working Principle
Power Management Integrated Circuit (PMIC) components are an advanced set of integrated circuits that provide modernized power management solutions and options. This can include solutions related to power distribution, regulation, switching and protection, among others. Commonly employed to accurately control the flow of electricity to specific lines and chips, PMIC components are important for many microcontroller and microprocessor applications.Gate Drivers, a type of PMIC, are a specialized set of power transistors and components used to precisely control the flow of power to integrated circuit components and electronics as a whole. Supplying the proper amount of power and ratio of current/voltage without fail, Gate Drivers bring drastic improvements in the power management design of a system.The L6747ATR is a PMIC – Gate Drivers integrated circuit commonly used in power converters and systems demanding simultaneous control between two different voltages. With 7A continuous source and sink used for controlling the two voltages input and output, the L6747ATR is referenced by cascode architecture and is widely used for logic level shifting.Application Field
The L6747ATR PMIC – Gate Drivers are widely used for a variety of power management applications. These can include applications within automotive and transportation, battery management, power converters and inverters, avionics, industrial control and instrumentation, renewable energy, and motor control.Thanks to their small size and low-power consumption, the L6747ATR PMIC – Gate Driver can be used in small form factor embedded systems and controls, allowing desired sections to be powered and energized without impacting the overall system’s performance significantly.Working Principle
The L6747ATR PMIC – Gate Driver’s working principle revolves around providing an output voltage which is, in a certain way, identical to the input voltage. Its main function is to drive the gate of MOSFETs and IGBTs, and it does so by interconnecting the output to the input by means of the recovery-node ( cathode ) when the output is higher than the input.This PMIC – Gate Driver is internally arranged in cascode configuration, a type of stage-specifically designed circuit architecture. Cascode circuits allow the user to, by effect, isolate the gate drive circuit from the switching of the main switch device. This ensures the required gate drive voltage and current levels are at the right amount, in turn allowing for better efficiency, lower costs and smaller size of the overall system.The L6747ATR PMIC – Gate Drivers offers various features such as a protective soft-start, current limitation and thermal protection. The soft-start is used to limit the inrush current during the start-up phase of a system, the current regulation limits the current under short-circuit conditions and the thermal protection is used to stop the system from doing harm in the event of an overload.Conclusion
The L6747ATR PMIC – Gate Drivers is a versatile and advanced power management integrated circuit often seen in a range of applications. Its dedicated cascode architecture, low power and small form factor make it a popular choice for embedded systems and controls, as well as larger-scale applications such as motor controls, power converters and inverters. The L6747ATR’s soft-start, current limitation and thermal protection features allow it to excel in its chosen field and provide a suitable power management solution for many applications.

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