MIC4469YWM-TR Integrated Circuits (ICs)

Logic Voltage - VIL, VIH:	0.8V, 2.4V
Base Part Number:	MIC4469
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Rise / Fall Time (Typ):	14ns, 13ns
Input Type:	Inverting, Non-Inverting
Current - Peak Output (Source, Sink):	1.2A, 1.2A
Series:	--
Voltage - Supply:	4.5 V ~ 18 V
Gate Type:	N-Channel, P-Channel MOSFET
Number of Drivers:	4
Channel Type:	Independent
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MIC4469YWM-TR is a monolithic high and low side gate driver integrated circuit chip designed and manufactured by MIC. It can drive high and low side power MOSFETs or IGBTs with separate logic inputs for each output. This driver can also be adapted for various bootstrap applications. In addition, it comes with a high peak output current capability of 8A and a low output resistance for fast switching and higher system efficiency.

Application Fields

The MIC4469YWM-TR is an ideal choice for a variety of application fields, particularly in motor controls, DC-DC and AC-DC power converters and DC motor drive circuits. It can drive both high and low side power MOSFETs or IGBTs in any configuration allowing for independent control of each output.The MIC4469YWM-TR can drive both high and low side power MOSFETs or IGBTs while providing separate logic inputs for each output. This allows independent on/off control of each output. The chip features internal Vcc protection against voltage transients and its high output current and low output resistance enable fast switching and higher system efficiency. The driver can also be adapted for various bootstrap applications.

Working Principle

The MIC4469YWM-TR is designed to drive both high and low side power MOSFETs or IGBTs with separate logic inputs for each output. It works by monitoring the logic inputs and adjusting the level of drive current to the power devices accordingly.The IC uses a split voltage supply, with the high side driven from a positive supply and the low side driven from a negative supply. This ensures that the power devices are always operated in their linear region, which is important to maintain the highest system efficiency.In addition, the high peak output current capability and low output resistance of the chip contribute to fast switching and higher efficiency. The high maximum output current ensures that the power MOSFETs or IGBTs can be driven with sufficient peak current to switch quickly. The low output resistance helps to reduce conduction losses and therefore increases system efficiency.The IC also features a number of protection features, such as Vcc protection against voltage transients and an undershoot circuit to protect the power devices from any negative voltage or inductive kickback.

Conclusion

The MIC4469YWM-TR is a monolithically integrated high and low side gate driver IC designed and manufactured by MIC. It is an ideal choice for motor controls, DC-DC and AC-DC power converters and DC motor drive circuits, as it provides a high peak output current capability and a low output resistance for fast switching and higher system efficiency. In addition, it also comes with a number of protection features to protect the power devices from transients and other voltage issues.

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