MC33342DR2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Battery Chemistry:	Multi-Chemistry
Number of Cells:	--
Current - Charging:	--
Programmable Features:	Timer
Fault Protection:	Over Temperature, Over Voltage
Charge Current - Max:	--
Battery Pack Voltage:	--
Voltage - Supply (Max):	18V
Interface:	--
Operating Temperature:	-25°C ~ 85°C (TA)
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MC33342

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MC33342DR2 Application Field and Working PrincipleMc33342DR2 is a battery charger integrated circuit (IC) that belongs to PMIC - Battery Chargers family. It is specifically designed for multi-chemistry battery charging applications and allows you to charge different types of batteries, such as NiMH, Li-Ion, NiZn and lead acid batteries. This device is highly integrated and offers low external component count, making it a great choice for battery-powered systems. In this article, we will discuss the application field of MC33342DR2 and its working principle.Application Fields of MC33342DR2The MC33342DR2 battery charger IC can be used in a variety of applications and systems. It is Ideal for use in mobile phones, smart watches, tablets, portable media players, digital cameras, wearable devices, industrial applications and other battery-powered systems. The device is available in a 8-pin SOICW package and is fully compliant with USB and Li-Battery charging specifications. The MC33342DR2 enables robust, safe and compact battery charging solutions with reliable operation and efficiency. Working PrincipleMC33342DR2 is a dual-input charger IC, which offers high power efficiency and reliable charging. The device allows simultaneous charging from two sources such as USB and a wall adapter. The wall adapter input can be used to charge the battery with up to 5A charging current. The device has a wide input voltage range of 4.5- 28V which makes it suitable for multiple power sources. The power path control (PPC) feature of the MC33342DR2 enables you to select the optimal power source for charging the battery and also prioritize between primary and secondary sources. The device is also equipped with over-voltage and over-temperature protection features that prevent the device from overcharging and overheating.Another important feature of the MC33342DR2 is the ability to recognize low resistance of the battery pack. This feature is used to detect battery pack resistance value that is lower than the maximum limit. The device then adjusts the current sense threshold to ensure safe charging of the battery. The ADC of the device helps in monitoring the battery temperature and voltage which ensures safety during charging. The battery charging process is terminated automatically after two conditions are met, such as maximum input current or timer expiration.ConclusionMC33342DR2 is a powerful battery charger IC that can be used in a variety of applications. It offers dual-input charging and a wide input voltage range for optimal charging. The device is also equipped with over-voltage, over-temperature, and low resistance battery protection features to ensure safe and reliable charging of your battery. The ADC of the device can also help in monitoring the battery temperature and voltage to ensure optimal battery performance. The MC33342DR2 is an ideal choice for multi-chemistry battery charging applications.

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