UCC27523DSDR

Logic Voltage - VIL, VIH:	1V, 2.3V
Base Part Number:	UCC27523
Supplier Device Package:	8-SON (3x3)
Package / Case:	8-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 140°C (TJ)
Rise / Fall Time (Typ):	7ns, 6ns
Input Type:	Inverting
Current - Peak Output (Source, Sink):	5A, 5A
Series:	--
Voltage - Supply:	4.5 V ~ 18 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The UCC27523DSDR is a monolithic integrated circuit (IC) which is one of the devices manufactured by Texas Instruments. The UCC27523DSDR is a gate driver IC, a type of Power Management IC (PMIC), used to control switching of different high power devices such as DC to DC converters, voltage regulators, as well as motor and actuator loads. The device is a dual channel gate driver IC, available in a small 4mmx4mm QFN package, which contains two gate driving ICs, for the purpose of controlling two different gate pins or MOSFETs.

Application Field

The UCC27523DSDR gate driver IC is suitable for use in high power applications, such as motor and actuator control, voltage regulators, DC to DC converters, as well as industrial systems and automation. Due to its small 4mmx4mm QFN package, it is highly suitable for use in automotive applications where size and space constraints are crucial. The device is also suitable for use in portable and battery powered applications, due to its low power consumption and low quiescent current draw.

Working Principle

The UCC27523DSDR gate driver IC is a bi-directional gate driver and can be used to switch any two connections, either high side and low side, or high side and ground, with a maximum gate voltage of 15V and a maximum gate current of 25mA.The device uses P-channel MOSFETs on the high side, and N-channel MOSFETs on the low side for driving. It also contains an adjustable front end driver for the low side MOSFET, allowing for the impedance level of the gate to be adjusted, and the speed of the transition from high side to low side, to be adjusted. The UCC27523DSDR gate driver also contains fault protection for each of its two channels, as well as thermal shutdown and undervoltage lockout protection. The gate driver also provides slew rate control, allowing for the speed of the switch from high side to low side to be controlled, via adjusting an external resistor.

Conclusion

The UCC27523DSDR gate driver is a monolithic integrated circuit designed and manufactured by Texas Instruments, suitable for use in high power applications such as DC to DC converters and voltage regulators, as well as motor and actuator control. The device contains two gate driving ICs, thus controlling two different gate pins or MOSFETs. It is available in a small 4mmx4mm QFN package, making it suitable for use in automotive applications where size and space constraints are of paramount importance. The device comes with a range of protective features, including fault protection, thermal shutdown, and undervoltage lockout. Additionally, the device provides adjustable front end driver and slew rate control.

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