ISL9211AIRU48XZ-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Part Status:	Obsolete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:	8-UFDFN Exposed Pad
Supplier Device Package:	8-UTDFN-EP (2x2)
Base Part Number:	ISL9211

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The ISL9211AIRU48XZ-T is a battery management product from Intersil, part of Renesas Electronics, in the Power Management IC (PMIC) family. This device is designed to manage lithium-ion and/or nickel-metal-hydride (NiMH) battery packs in applications such as cell phones, PDAs, laptop and cordless phones.The ISL9211AIRU48XZ-T helps to monitor and protect the battery pack, with its wide operating temperature range, increasing the reliability of the power system without sacrificing battery life. This Battery Management IC provides overcurrent protection and shutdown control through monitoring the voltage of each individual cell in a battery pack.To understand the application field and working principle of the ISL9211AIRU48XZ-T, one needs to consider its design concept, which includes a battery voltage sense circuit, current sense circuit and overcurrent protection circuit. The product comprises two individual circuits, one for sensing the sum of all cells within the pack, and a second for sensing the temperature of the battery cells.The battery voltage sense circuit monitors the total voltage of the battery pack and sends a signal to the current sense circuit when the pack reaches the upper or lower limits of its acceptable range. The current sense circuit reads the terminals of the battery cells and converts the current-carrying pulses to a proportional voltage signal that is used to drive logic and shut down the battery pack.The ISL9211AIRU48XZ-T\'s over-current protection circuit uses two transistors in a control loop to ensure that the battery pack does not draw more current than its specified maximum. The two transistors act as a bridge and secure the output of the current sense as the control signal for the power MOSFET or PMOSFET, used to securely control the current drawn from the battery cells.The ISL9211AIRU48XZ-T also features a thermal protection circuit to protect the battery from overheating. This circuit uses the signal from the temperature sensor and the current sense circuit to estimate the temperature inside the battery pack. If the estimated temperature exceeds the threshold, the thermal protection circuit will shut down the battery.In summary, the ISL9211AIRU48XZ-T device is a PMIC Battery Management IC that provides monitoring and protection for lithium-ion and NiMH battery packs. It features battery voltage sense, current sense, over-current protection and thermal protection circuits to ensure the safety and reliability of the power system. The device is suitable for use in a wide range of applications, such as cell phones, PDAs, laptops and cordless phones.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description