TC4427VOA

Logic Voltage - VIL, VIH:	0.8V, 2.4V
Base Part Number:	TC4427
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	19ns, 19ns
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	1.5A, 1.5A
Series:	--
Voltage - Supply:	4.5 V ~ 18 V
Gate Type:	N-Channel, P-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tube

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TC4427VOA: PMIC - Gate Drivers PMIC (Power Management IC) gate drivers are integrated circuits that are used to drive external MOSFETs and other switching devices for power management purpose. Gate drivers are a one-stop solution for driving such devices, as they offer superior performance and power efficiency compared to other solutions. Among gate drivers, TC4427VOA by Microchip Technology Inc. is one of the most widely used and efficient power management ICs. This paper will discuss the application field and working principle of the TC4427VOA.TC4427VOA is a low-side driver that operates from a supply voltage ranging from 4.5V to 18V. It features an internal high-side switch and can operate at a 2A constant output current. Moreover, the device has Fast-Turn-Off/Fast-Turn-On propagation delay times and an adjustable dead time, making it suitable for a variety of power management applications.The primary applications of TC4427VOA are in power management circuits such as switching power supplies, DC-DC converters, HVAC systems, and automotive applications. The device is designed to distribute the power in multiple channels, to minimize noise during switching, and to reduce system power consumption. Its wide operating voltage range makes it suitable for many different types of applications, as it can be used to drive both low-side and high-side FETs from a single supply.The working principle of TC4427VOA is relatively simple. When the logic control pin is brought low, the FET driver turns on the low-side FET, allowing the flow of current from the source to the drain. The device also includes an adjustable dead time that ensures that the high-side switch turns off before the low-side switch turns on, to prevent device shoot-through and resulting power loss. The turn-on and turn-off delay time is adjustable, which allows the device to be used in a variety of applications.In summary, TC4427VOA is a low-side FET driver that is designed for power management applications. The device is suitable for a variety of applications, including DC-DC converters, switching power supplies, HVAC systems and automotive applications. The device operates from a supply voltage ranging from 4.5V to 18V and can deliver up to 2A of constant output current. It also features an adjustable dead time and fast turn-on/turn-off propagation delays, making it highly efficient in power management applications.

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