In the Tape & Reel (TR) package, you will find it.A 49-UFBGA, DSBGA package is included with this item as part of its contents.In this case, the device is mounted in the way of Surface Mount.The best thing to do is to set the temperature to -40°C~85°C TA.In order for the device to function, an analog IC named POWER SUPPLY SUPPORT CIRCUIT must be used.The device cannot be charged without Constant - Programmable current flowing through it.Based on the base part number BQ24278, its related parts can be identified.It contains 49 terminations.A battery pack is going to have a voltage of 3.7V.This product requires that a total of 49 pins be connected in order for it to work correctly.Channels are available in an amount of 1.Devices with a maximum supply voltage of 10V are preferred.Batteries with a 5V voltage are compatible with it.There is no damage to the device if an input voltage of 10.5V is applied.The 4.2V output voltage allows for high efficiency.There is a constant output current of 2.5A when it is operating.It is capable of functioning at a voltage as low as possible, for example 4V voltage for this circuit is used.It is mounted in the manner of Surface Mount.This part has a switching frequency of 1.5MHz and operates with this frequency.
BQ24278YFFR Features
Battery pack voltage of 3.7V 1 channels Switching frequency of 1.5MHz 49-UFBGA, DSBGA package
BQ24278YFFR Applications
There are a lot of Texas Instruments BQ24278YFFR Battery Chargers ICs applications.