ISL6526AIRZ-TK

Frequency - Switching:	600kHz
Base Part Number:	ISL6526A
Supplier Device Package:	16-QFN-EP (5x5)
Package / Case:	16-VQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Phase Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	100%
Series:	--
Voltage - Supply (Vcc/Vdd):	2.97 V ~ 3.63 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ISL6526AIRZ-TK is an integrated power management and solenoid driver device that combines a High-Efficiency Synchronous Buck Controller and 3 high-side PNP Smart low-side MOSFETs that are housed within the same NXE package. This device efficiently manages the automotive safety power system with a wide input voltage range of 5.5V to 42V. The integrated high and low-side gate drivers feature robust gate charge protection, as well as temperature sensing short circuit and under voltage protection to enhance system reliability.Application FieldISL6526AIRZ-TK is capable of supporting a wide variety of automotive applications such as electric throttle control (ETC), fuel injector control, battery charger systems, and active safety systems. This device can also be used in battery management systems, power supplies, and other applications which require a wide input voltage range and high efficiency.Working PrincipleThe device operates in a synchronous buck topology, with an inductor-capacitor network that converts the input voltage to a regulated output voltage. The controller features a current-mode, slope compensated PWM control architecture. This provides a high dynamic control response, low output ripple voltage and accurate current monitoring. The power stages feature low RDS(on) high-side and low-side PNP Smart MOSFETs that allow for efficient power transfer over a wide input voltage range.The device also features a variety of protection features that improve the reliability of the power system. This includes under-voltage lockout to prevent operation below the minimum input voltage, short circuit protection to disable the device in the event of an output short and thermal shutdown that shuts down the device should the temperature of the device exceed a threshold value.In conclusion, ISL6526AIRZ-TK is a highly flexible power management device which can be used in a wide variety of automotive and industrial applications. With its high efficiency, integrated protection and synchronous buck control architecture, it offers an ideal solution for power systems that require high accuracy, wide input voltage range, and reliable performance.

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