TC4427AEMF

Logic Voltage - VIL, VIH:	0.8V, 2.4V
Base Part Number:	TC4427A
Supplier Device Package:	8-DFN-S (6x5)
Package / Case:	8-VDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	25ns, 25ns
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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TC4427AEMF is a dual-channel high and low side power MOSFET driver with protection, monitoring, and diagnostic functions. It is a product from the Microchip AEM family portfolio of advanced power supply products that provide integrated power management solutions for appliance, home, and industrial applications. The product offers high-efficiency performance with superior protection levels for critical circuit elements, and it can be used with both N-Channel and P-Channel MOSFETs.TC4427AEMF belongs to the PMIC - Gate Drivers category, which are integrated circuits (ICs) that drive the signals used to control MOSFETs or IGBTs in power conversion applications. PMIC - Gate Drivers provide the necessary drive signals to the gate terminals of the power devices, allowing them to be accurately and quickly switched on and off in order to regulate the power supply output. This type of driver is often used in voltage converters, high frequency switching regulators, DC-DC converters, AC-DC rectifiers, and DC-AC inverters. The features and properties of different gate driver ICs vary, depending on their applications. For example, the TC4427AEMF is specifically designed for a high level of EMI/RFI immunity and ESD protection, as well as for high-speed switching applications. It provides multiple protection levels for its inputs, outputs, and power supplies. The TC4427AEMF operates from an input voltage range of 3.1 V to 24 V (both Gate Drive and I/O power) and delivers a peak output current of 1.4 A per channel for gate drive. It consists of two channels, each with a low-side driver and separately controlled high-side driver. The low-side drivers each include current limit, overvoltage protection, reverse-current protection, over-temperature protection, and over-current protection (OCP). The high-side drivers each include VDD under-voltage lockout (UVLO), active-high enable, short-circuit protection, and over-current protection (OCP). In addition, it also offers integrated diagnostic and fault reporting capabilities, allowing the user to identify and troubleshoot faults in the motor system if they occur. It also provides an open-source firmware package that enables users to customize the device’s behavior to the specific requirements of their application. The TC4427AEMF features an integrated thermal shutdown circuit which will shut down the device when the temperature exceeds a programmed threshold. It also includes an external trip pin which can be used to shut down the device when external control signals indicate over temperature or over current conditions. The TC4427AEMF also includes an active-low reset (RST) pin, and a SYNC/PWM output pin (active-high). The RST pin can be used to reset the device and all its control registers, while the SYNC/PWM output pin can be used to generate a synchronous PWM signal, allowing the user to synchronize the TC4427AEMF with an external microcontroller, such as a PIC or AVR. The TC4427AEMF functions as a single-supply dual channel driver with a number of protection and diagnostic features, making it an ideal solution for voltage converters, DC-DC converters, and AC-DC rectifiers with fast MOSFET or IGBT switching, high level of EMI/RFI immunity and ESD protection, and a degree of fault detection and reporting.

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