SN75372D

Logic Voltage - VIL, VIH:	0.8V, 2V
Base Part Number:	SN75372
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Rise / Fall Time (Typ):	--
Input Type:	Inverting
Current - Peak Output (Source, Sink):	500mA, 500mA
Series:	--
Voltage - Supply:	4.75 V ~ 5.25 V, 4.75 V ~ 24 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tube

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Introduction

The SN75372D is a family of Peripheral Monitor Integrated Circuit (PMIC) gate drivers developed by Texas Instruments. This chip supports 3V to 6V operation and is designed to drive single-channel FET/MOSFET outputs. It is based on the company\'s advanced 7 Series technology and is commonly used in motor control, robotics and other related applications.

Features

The SN75372D is a highly efficient device which provides high-precision current and voltage control. It also features low-power operation, low-delay power on, single–channel operation and an adjustable current limit. This chip is capable of driving a single, low impedance load with a maximum output current of 40A. The device also has an integrated temperature sensing and monitoring system which allows it to automatically adjust its output current limits according to device temperature. This feature helps protect the chip against thermal overload and can prolong device lifetime. The low-side gate driver contains a 2-pin SOIC/TSSOP package and is easy to integrate into existing systems.

Application Fields

The SN75372D is a single-channel gate driver primarily intended for use in AC-DC and DC-DC systems. It is well suited for controlling a variety of motors including brushless DC and stepper motors. Due to its high efficiency and compact design, the SN75372D is an ideal choice for projects that require precise current control without generating high levels of heat. Additionally, this device can be used in high-power lighting applications, as it can be easily and safely integrated into existing power supplies.

Working Principle

The SN75372D has two main components: the low-side driver and the high-side driver. The low side drives a single FET/MOSFET based on a logic signal output. When the logic signal is high, the low side driver is enabled, allowing current to flow through the FET/MOSFET and to the load. When the logic signal is low, the low side driver is disabled, and no current is able to flow. The high side driver controls the load based on the input voltage. If the input voltage is greater than the voltage threshold set by the user, the high side driver will be enabled and the FET/MOSFET will be turned on, allowing current to flow to the load. If the input voltage is below the user-defined threshold, the high side driver will be disabled and no current will be able to flow.

Conclusion

The SN75372D is a compact and efficient family of PMIC gate drivers that offer a wide range of applications. It is well-suited for motor control, lighting applications and other systems that require precise current control. This device is capable of driving a single, low impedance load and features integrated temperature detection and monitoring systems to help prevent thermal overload.

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