MIC44F20YMME-TR

Logic Voltage - VIL, VIH:	1.607V, 1.615V
Base Part Number:	MIC44F20
Supplier Device Package:	8-MSOP-EP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	10ns, 10ns
Input Type:	Inverting
Current - Peak Output (Source, Sink):	6A, 6A
Series:	--
Voltage - Supply:	4.5 V ~ 13.2 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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A power management integrated circuit (PMIC) is a technology microchip that is used to help manage the power requirements of an electronic system. That includes converting and controlling power supplies, currents and voltages, and providing analog control instructions based on digital inputs. An important subcategory of PMICs are gate drivers, which are used to control a digital circuit\'s behavior by switching an input between VCC and ground states. The MIC44F20YMME-TR is a gate driver PMIC that provides precise low voltage drive signals for low voltage and logic level MOSFETs, aiding power conversion system designers who are looking for light and fast switching performance. The MIC44F20YMME-TR is designed for use in 6V to 20V power conversion systems operating at frequencies ranging from tens of kHz up to 500kHz, with an operating temperature from -40℃ to 125℃. The device uses a single 5V supply to control two low voltage NMOS/PMOS power MOSFETs, and provides an adjustable output current limit feature to support over-current protection in MOSFET loads. The output voltage differential can also be adjusted, ranging from 2V to 6V depending on the MOSFETs being used in the system. The MIC44F20YMME-TR includes two differential input logic signals, DRV1 and DRV2, which control the operation of the gate driver. When DRV1 and DRV2 are both high, the gate driver is enabled, activating the power switches M1 and M2. When DRV1 and DRV2 are both low, the gate driver is disabled, deactivating the power switches M1 and M2. This helps ensure that the system is unable to draw excessive current due to unexpected gate switching conditions. Additionally, the MIC44F20YMME-TR provides adjustable dead time control to tailor the amount of delay between switching M1 off and M2 on and vice versa, which eliminates the potential for shoot-through currents during operation. This keeps other system components safe, as shoot-through currents can cause irreparable damage to MOSFETs and other system components. The MIC44F20YMME-TR also includes several circuits to ensure safe and efficient operation. An undervoltage lockout feature keeps the gate driver inactive prior to the voltage on the supply rail reaching an acceptable minimum level. Current sense monitoring is included to detect when the current in the system exceeds the preset threshold and automatically shuts down the gate drives to prevent over-current conditions. In addition, thermal protection is built in to help protect the system from over-temperature conditions. Finally, dedicated logic signals are used to detect power supply/system faults, which indicates when a latch signal should be sent to the gate driver to immediately shut off the power switches. The MIC44F20YMME-TR is ideal for use in switching power supplies, DC/DC converters, and other applications that require fast and efficient power conversion. Its adjustable voltage and current limits, adjustable dead time, undervoltage lockout, current sense, and thermal protection features make it suitable for commercial, industrial, automotive, and other applications where reliable, efficient power conversion is key.

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