VLA541-01R

Series:	--
Packaging:	Bulk
Part Status:	Active
Driven Configuration:	Low-Side
Channel Type:	Single
Number of Drivers:	1
Gate Type:	IGBT
Voltage - Supply:	14 V ~ 17 V
Logic Voltage - VIL, VIH:	--
Current - Peak Output (Source, Sink):	3A, 3A
Input Type:	Non-Inverting
Rise / Fall Time (Typ):	300ns, 300ns
Operating Temperature:	-20°C ~ 70°C (TA)
Mounting Type:	Through Hole
Package / Case:	14-SIP Module, 12 Leads
Supplier Device Package:	Module

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VLA541-01R is a PMIC (Power Management Integrated Circuit) -Gate Drivers. This device is ideal for high speed IGBT drive applications. It consists of power drivers with fast switching capability, gate protection circuit and integrated reverse body diode.The VLA541-01R gate drivers feature wide operating voltage (6V-24V) and high noise immunity. It has an integrated high speed IGBT driver with 5μs minimum rise time and 1.5μs minimum fall time. The device is suitable for switching large power loads of up to 35A continuous. It also provides an additional feature of temperature stability with an adjustable maximum peak current limit temperature.The IGBT gate driver is designed to drive the gates of IGBTs with minimal switching losses by reducing high voltage ringing and short-circuit currents during turn-on and turn-off. The device has high peak current capability of up to 30A and protects the IGBTs from over-voltage and over-current conditions. It uses a constant voltage and constant current driving method to provide high level of power isolation, and has a high Frequency noise immunity of up to 10kHz.The VLA541-01R also feature a reverse body diode (RBD) which provides an integrated protection of the mosfets from current flowing in reverse direction. It also has integrated snubber circuit which prevents the device from short-term over-voltage. The RBD provides a rapid turn-off of the powering device, relatively low dropout voltage levels and improved voltage loss figures.The VLA541-01R is applicable in applications such as inverters, motor drives and Uninterruptible Power Supplies (UPS). The device can be used in applications where high-speed switching, high current capability, high noise immunity and reverse body diode protection are required. It is particularly suitable in high power applications such as UPSs and high power motor drives. As safety is a primary concern in such applications, the VLA541-01R provides the required protection by having reverse body diode protection, adjustable temperature limit and low-voltage cutoff.The working principle of VLA541-01R involves the process of turning on and off the mosfet gates. It maintains the on state of the IGBTs by constantly applying a regulated current to the gates until an external signal is received which is usually provided by a microcontroller. When the signal is received, the device starts the turn-off process by reducing the current supply to the gates and quickly switching off the device. The device also protects the IGBT from over-voltage and over-current conditions by providing a reverse body diode protection and adjustable temperature limit. Once the Turn-off process is completed, the device is reset and ready to operate again.In conclusion, VLA541-01R is a PMIC (Power Management Integrated Circuit) - Gate Drivers with wide operating voltage and high noise immunity. It is suitable for high speed switching applications with large power loads of up to 35A continuous, with reverse body diode protection, adjustable temperature limit and low-voltage cutoff. The device is suitable for application such as inverters, motor drives and Uninterruptible Power Supplies (UPS) which provides high level of protection and improved performance.

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