ISL9209IRZ-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion
Number of Cells:	--
Fault Protection:	Over Current, Over Voltage
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-WFDFN Exposed Pad
Supplier Device Package:	12-TDFN (4x3)
Base Part Number:	ISL9209

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IntroductionISL9209IRZ-T is a multi-channel and ultra-low-power system power monitor and battery monitor from Intersil Corporation. It is part of Intersil\'s family of System Power Management ICs (SPM ICs) and is designed for use in a wide variety of battery-powered systems and devices. The device integrates multiple analog and digital features, allowing it to efficiently manage system and battery power, while at the same time providing increased safety and reliability.ApplicationsISL9209IRZ-T is a versatile and flexible power monitoring device suitable for applications such as mobile phones, mobile computing, tablet computers, and other portable electronics. It is designed with multiple power rails, low operating voltage levels and a small form factor. The device is designed to provide accurate power measurement of each of the system power rails and to optimally manage the battery power. It is well suited for monitoring of main system power, main battery charger and main battery charging regulator signals. The device also includes a digital interface for easy integration with system host processor and firmware.The device is also suitable for medical devices, consumer electronics, wearable electronics and IoT (Internet of Things) endpoints, where it can be used to monitor power consumption and efficiently manage battery power.Working PrincipleThe ISL9209IRZ-T is designed to provide accurate measurement of each power rail and to efficiently manage the battery power. It provides real-time monitoring and control of each power rail on the system, as well as protection from power faults and overtemperature situations. The device provides both analog and digital monitoring, with analog sampling of each power rail voltage level and current draw. The device also provides digital monitoring, with a range of features including low-voltage and over-voltage detection, fault detection, over-temperature monitoring, and intelligent charging control. The device also has a programmable threshold voltage detector and a programmable charge time for better control.The device provides an integrated system power monitor, which provides real-time monitoring and control of system power levels at each power rail. It also includes one or more built-in high-side switches and quick disconnects, which can be used to control power supply rails. The device has an integrated digital interface which allows the control processor to control the system power monitor and its associated features.ConclusionThe ISL9209IRZ-T is a highly integrated and versatile system power monitoring and battery monitoring device that is designed to provide increased safety and reliability for devices and systems in a wide variety of applications. It provides accurate power measurement of each power rail and efficient power management of the battery. It also comprises digital and analog features which allow it to provide real-time monitoring and control of each power rail on the system, as well as protection from power faults and over-temperature situations. The device has an integrated digital interface which allows the control processor to control the system power monitor and its associated features.

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