There is an Tape & Reel (TR) package that contains it. The 24-VFQFN Exposed Pad 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 24 terminations.The battery pack has 4.44V Max.Features like Timer can be programmed.It operates on the basis of 24 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.As far as the mounting is concerned, it is mounted in the way of Surface Mount.5mA is set for Vsup (maximum supply voltage).A 13mA supply current is set on the gadget.There is 3kHz switching frequency for this part.In order to ensure normal operation, the supply voltage (Vsup) should be kept above 4.35V.
BQ24257RGER Features
Battery pack voltage of 4.44V Max 1 channels Switching frequency of 3kHz 24-VFQFN Exposed Pad package
BQ24257RGER Applications
There are a lot of Texas Instruments BQ24257RGER Battery Chargers ICs applications.