ISL97651ARTZ-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	LCD TV/Monitor
Current - Supply:	400µA
Voltage - Supply:	4 V ~ 5.5 V
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	36-WFQFN Exposed Pad
Supplier Device Package:	36-TQFN (6x6)
Base Part Number:	ISL97651

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Power Management

Specialized

Power management, or PM, is an area that is becoming increasingly important to the consuming electronics world. Power management is the process of managing voltage and current in order to ensure that all of the components in a device operate within their optimum performance range while also ensuring that they receive the proper amount of power supply and are not subject to power losses due to uncontrolled current flow. This is something that many manufacturers are now focusing on as it has become increasingly important in helping to create more energy efficient products. One example of a power management component is the ISL97651ARTZ-T. This component is designed for high efficiency power management solutions and is capable of delivering power to multiple devices and consumers in a typical office or home environment.The ISL97651ARTZ-T is a LED driver power management IC (PMIC). It is designed to provide a cost-effective solution for providing a constant current source for driving multiple LED strings in an efficient and reliable manner. The PMIC integrates a series of critical components, such as an active current balancing switch (ACBS), voltage regulator (VR), and resistor into a single package. The ACBS gives this PMIC unique features such as a low on-resistance switch and programmable current protection. The VR ensures the LED strings operate at a constant current, which helps stabilize performance. The resistor also helps maintain a consistent current.The ISL97651ARTZ-T has been designed for two main applications. The first is in office and home lighting systems, such as wall mounts and recessed lights. It can provide a single power source to these lights, allowing the user to dim or brighten the lighting at different levels while still maintaining the desired brightness level. The second application is in automotive lighting systems, such as headlights or taillights. It can provide a single power source to these systems, which helps to maintain a consistent output and lighting performance.The working principle of the ISL97651ARTZ-T is simple but effective. When the PMIC receives power, it will then initiate a sequence of events including the ACBS being activated and the VR controlling the LED strings to maintain a constant current at a given voltage. The ACBS is responsible for detecting any current that might otherwise be sent to the LED strings and then preventing it from passing through via its low on-resistance switch. The VR is then responsible for maintaining the desired output current regardless of any changing input voltage. Lastly, a resistor helps maintain the desired current at the LED strings.The ISL97651ARTZ-T is an effective and reliable solution for LED driver power management applications. It offers a cost-effective solution for providing a constant current source for LED strings and is capable of controlling multiple LED strings in an efficient and reliable manner. The integrated ACBS, VR, and resistor also help to maintain a consistent output and reduce the need for external components. By utilizing the ISL97651ARTZ-T in an appropriate application, manufacturers can ensure that their lighting systems perform optimally and provide the desired output and level of brightness.

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