AD7284WBSWZ

Series:	--
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion
Number of Cells:	8
Fault Protection:	Over/Under Voltage
Interface:	SPI
Operating Temperature:	-40°C ~ 150°C (TJ)
Package / Case:	64-LQFP Exposed Pad
Supplier Device Package:	64-LQFP (10x10)
Base Part Number:	AD7284

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Power management integrated circuits (PMICs) are an essential component of sophisticated electronic systems which are necessary in order to ensure operational stability and accuracy. Battery management, in particular, is a critical component in many applications and the use of a PMIC is often necessary to turn the sharp edges of erratic battery voltages and currents into much more reliable and predictable power profiles. The AD7284WBSWZ, which belongs to the family of advanced power management integrated circuits (PMICs), is a Lithium-ion Cell Monitor, a type of monitoring PMIC that can be used for battery management.The AD7284WBSWZ is a highly accurate and low-cost cell monitor ideal for measuring voltage and current from Lithium-ion batteries. It offers a highly accurate and efficient voltage-measuring system in which the current is measured simultaneously to increase accuracy of the measurements and therefore facilitate reliable operation. This device provides a breakdown of important information which is easy-to-read and easy-to-report thanks to the voltage scaling capability and the analogue/digital outputs for each of the available channels.The AD7284WBSWZ is designed specifically to measure voltage and current in consumer electronics Lithium-ion applications such as mobile phones, portable PCs and digital cameras. By measuring the voltage and current of these batteries, the AD7284WBSWZ is able to accurately monitor and alert the user of any voltage anomalies or temperature rises; allowing them to take immediate corrective action as required. The design of the AD7284WBSWZ makes it both cost and space effective as it measures a low voltage range of 0.3V to 4.2V and requires only one I2C- or SMBus-compatible serial interface. The integrated Command Interface simplifies the processes of setting up a new battery configuration by allowing use of various command sequences to tailor exact settings and operation needed for each specific application. The flexibility provided by this set-up feature allows for optimal application performance for different loads and is something which can be done in seconds.In addition to these advantages, the AD7284WBSWZ is also equipped with advanced safety features such as precision current limits and over voltage protection. The precision current limit allows the establishment of an exact upper limit for each channel and helps to ensure that the device operates within the dynamic capacitance of the battery. It also prevents any possible damage to the battery. The over voltage protection, on the other hand, prevents the storage cell from being over hydrated by setting an exact threshold limit above which it will not attempt to absorb further energy.One more useful feature of the AD7284WBSWZ is Adaptive Consistency Control (ACC). This feature helps maintain consistency between the measured and reported values of the channels while improving the overall accuracy and reliability of the device. The ACC also allows the device to adjust its accuracy levels over time in order to compensate for any temperature fluctuations, component ageing or dirt build-ups.Overall, the AD7284WBSWZ is a sophisticated and versatile battery management PMIC solution ideal for consumer electronics applications. Its combination of low cost, small size, numerous integrated safety and accuracy features, and real-time reporting makes it the perfect choice for any application requiring reliable and accurate battery monitoring.

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