MIC4452ABM-TR

Logic Voltage - VIL, VIH:	0.8V, 2.4V
Base Part Number:	MIC4452
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Rise / Fall Time (Typ):	20ns, 24ns
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	12A, 12A
Series:	--
Voltage - Supply:	4.5 V ~ 18 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	Low-Side
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Overview

MIC4452ABM-TR is an advanced gate driver for power management integrated circuits (PMIC) that provides fast switching and low propagation delay. It features adjustable gains, low output impedance and low quiescent current. The MIC4452ABM-TR is suitable for single-ended, three-state and two-state logic gate drive applications. The device can be used to enable or disable single-ended logic interfaces, enable and disable three-state logic interfaces, enable two-state logic interfaces, and enable two-state shifters such as transmission gates and level shifters.

Features

The MIC4452ABM-TR offers several benefits and features, such as:- Compatible with a wide range of supply voltages (3V to 20V), allowing it to be used in many applications.- Low quiescent current and low output impedance, allowing it to consume less power while providing faster switching.- Adjustable gains, allowing it to deliver higher performance in various types of gate drive applications.- Three-state logic interfaces, allowing it to be used to enable or disable both single-ended and two-state logic interfaces.- Built-in protection diodes, allowing it to protect against over-voltage and inrush current events.

Application

The MIC4452ABM-TR is suitable for a wide range of applications, including power management, control and digital logic circuits. In particular, the device is optimized for low-power switching, digital signal conditioning and power electronics. Additionally, the MIC4452ABM-TR is used in applications such as low-voltage line drivers, low-power switching logic, and charge pumps.The MIC4452ABM-TR is also used in automotive applications such as engine control units and body control modules. Additionally, the device can be used in industrial, telecommunications and data processing applications.

Working Principle

The MIC4452ABM-TR is a three terminal, bipolar device that performs the function of a gate driver. The gate driver provides a low-impedance signal to an external transistor that can switch high voltages and currents. The device consists of three terminals: the gate output (GO), the inverting input (IN), and the non-inverting input (NIN).The device operates using hysteresis logic. At the rising edge, the gate output is enabled only when the voltage at the inverting input is greater than the voltage at the non-inverting input. Similarly, at the falling edge, the gate output is disabled only when the voltage at the inverting input is less than the voltage at the non-inverting input.The MIC4452ABM-TR also features an adjustable gain control that allows users to adjust the device\'s threshold level. The level of adjustment depends on the value of the external resistor connected to the gain control pin.The MIC4452ABM-TR also features protection diodes to protect against over-voltage and inrush current events. The diodes clamp the gate voltage at the maximum and minimum voltage levels, protecting the external transistor from over-voltage events.

Conclusion

The MIC4452ABM-TR is an advanced gate driver for PMICs that is suitable for a wide range of applications, including power management, control and digital logic circuits. The device features adjustable gains, low output impedance, low quiescent current, and protection diodes for over-voltage and inrush current events. The MIC4452ABM-TR is suitable for both single-ended and two-state logic gate drive applications.

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