There is an Tape & Reel (TR) package that contains it. The 30-UFBGA, DSBGA package includes it as a convenience.Mounting type is Surface Mount.It is recommended to set the temperature to -40°C~85°C TA for reliable performance.It uses an analog integrated circuit of type POWER SUPPLY MANAGEMENT CIRCUIT.For the device to be charged, there is Constant - Programmable current required.Parts related to the base part number BQ24257 can be found based on that number.It contains 30 terminations.The battery pack has 4.44V Max.Features like Timer can be programmed.In its maximum charging mode, the part charges at 2A.It operates on the basis of 30 pins.A total of 1 channels are available.Battery voltage should be 5V.A 6.5V supply voltage can be applied to it.High efficiency can be achieved with a 4.2V output voltage.There is 2A output current when the device operates.There is a subcategory of Power Management Circuits for this device.As far as the mounting is concerned, it is mounted in the way of Surface Mount.2000mA is set for Vsup (maximum supply voltage).There is 3kHz switching frequency for this part.In order to ensure normal operation, the supply voltage (Vsup) should be kept above 4.35V.
BQ24257YFFR Features
Battery pack voltage of 4.44V Max 1 channels Power Management Circuits subcategory Switching frequency of 3kHz 30-UFBGA, DSBGA package
BQ24257YFFR Applications
There are a lot of Texas Instruments BQ24257YFFR Battery Chargers ICs applications.