ADP3625ARDZ-RL

Logic Voltage - VIL, VIH:	0.8V, 2V
Base Part Number:	ADP3625
Supplier Device Package:	8-SOIC-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	10ns, 10ns
Input Type:	Inverting, Non-Inverting
Current - Peak Output (Source, Sink):	4A, 4A
Series:	--
Voltage - Supply:	4.5 V ~ 18 V
Gate Type:	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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The ADP3625ARDZ-RL is a two-phase gate driver from Analog Devices Inc. that provides peak current capabilities of up to 8 A and enables the control of medium- to high-current motors. It features separate high- and low-side FET drivers and provides automatic dead time for optimized power efficiency and EMI mitigation. The ADP3625ARDZ-RL is engineered to operate at frequencies up to 1 MHz, making it ideal for a wide range of applications, including automotive, industrial, and consumer applications.The ADP3625ARDZ-RL is part of the new generation of gate drivers that feature highly integrated functions, such as integrated gate-driver protection, current-limit cancellation loop, and automatic dead time adjustment. This makes the ADP3625ARDZ-RL a competitive alternative to discrete gate-driver solutions.Applications

• Automotive DC motor control
• Consumer appliances
• Industrial motor control
• Heating, ventilation, and air conditioning (HVAC) systems

Working PrincipleThe ADP3625ARDZ-RL gate driver is designed to drive medium- to high-current motors. It features a high-side driver (HSD) and a low-side driver (LSD) that can each provide peak current of up to 8 A. The drivers are each configured to automatically turn on and off without user intervention.The drivers feature an integrated protection circuit that prevents damage caused by overcurrent, undervoltage, or overtemperature conditions, as well as an integrated current-limit cancellation loop. The current-limit cancellation loop helps reduce the required power supply voltage. Additionally, the ADP3625ARDZ-RL features an automatic dead time adjustment that ensures optimized power efficiency and EMI mitigation.The HSD and LSD can be enabled and disabled independently, enabling the control of various types of motors such as brushless DC motors and stepper motors. The ADP3625ARDZ-RL can operate at frequencies up to 1 MHz, making it suitable for a wide range of applications.ConclusionThe ADP3625ARDZ-RL from Analog Devices Inc. is an advanced two-phase gate driver designed for medium- to high-current motor applications. It features separate high- and low-side FET drivers, integrated gate-driver protection, current-limit cancellation loop, and automatic dead time adjustment, making it a competitive alternative to discrete gate-drive solutions. The ADP3625ARDZ-RL is suitable for a wide range of automotive, industrial, and consumer applications, as it can operate at frequencies up to 1 MHz.

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