Parameters |
Output Current |
1.25A |
Adjustable Threshold |
YES |
Supply Current-Max (Isup) |
5mA |
Threshold Voltage |
+3.3V |
Fault Protection |
Over Temperature, Over Voltage |
Battery Chemistry |
Lithium Ion/Polymer |
Number of Cells |
1 |
Max Junction Temperature (Tj) |
125°C |
Switching Frequency |
3MHz |
Programmable Features |
Current |
Current - Charging |
Constant - Programmable |
Charge Current - Max |
1.55A |
Battery Pack Voltage |
4.44V Max |
Height |
625μm |
Length |
0m |
Width |
0m |
Thickness |
400μm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 5 days ago) |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
20-UFBGA, DSBGA |
Number of Pins |
20 |
Operating Temperature |
-30°C~85°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e1 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
20 |
ECCN Code |
EAR99 |
Terminal Finish |
Tin/Silver/Copper (Sn/Ag/Cu) |
Subcategory |
Power Management Circuits |
Terminal Position |
BOTTOM |
Terminal Form |
BALL |
Number of Functions |
1 |
Supply Voltage |
5V |
Terminal Pitch |
0.4mm |
Base Part Number |
BQ24157 |
Qualification Status |
Not Qualified |
Output Voltage |
4.44V |
Operating Supply Voltage |
6.5V |
Power Supplies |
5V |
Number of Channels |
1 |
Interface |
I2C |
Max Supply Voltage |
6V |
Min Supply Voltage |
4V |
Analog IC - Other Type |
POWER SUPPLY MANAGEMENT CIRCUIT |
BQ24157YFFT Overview
There is a package named Tape & Reel (TR) that contains it.There is a 20-UFBGA, DSBGA package that comes with this item.Mounting type for the device is Surface Mount.It is recommended to set the temperature to -30°C~85°C TA for reliable performance.To operate the device, an analog IC called POWER SUPPLY MANAGEMENT CIRCUIT is used.Charge the device with Constant - Programmable current.It is possible to find the related parts to the base part number BQ24157.In general, the number of terminations found within it is 20 as a whole.As far as the battery pack is concerned, it is 4.44V Max.It is possible to program features such as Current.According to the manufacturer, it is rated at 1.55A at maximum charging current.For the product to work correctly, 20 pins are required, and a connection to each pin is required.There are 1 channels available.There is a possibility that it can be powered by a 5V battery.An input voltage of 6V can be applied to the device without damage.The 4.44V output voltage allows for high efficiency.During operation, 1.25A represents the output current.This device is classified as Power Management Circuits under the subcategory.The device can operate at as low a supply voltage as possible, such as 4V.It is mounted in the manner of Surface Mount.In order to ensure optimum supply voltage, the maximum voltage setting is set to 5mA.It is set to 5V when it comes to the power supply for the part.For best results, set the supply voltage to 6.5V.There is 3MHz switching frequency for this part.
BQ24157YFFT Features
Battery pack voltage of 4.44V Max
1 channels
Power Management Circuits subcategory
Switching frequency of 3MHz
20-UFBGA, DSBGA package
BQ24157YFFT Applications
There are a lot of Texas Instruments BQ24157YFFT Battery Chargers ICs applications.
- MP3, MP4 player
- Golf carts
- Electric vehicles
- Model aircraft
- Rental fleets
- Man lift
- Wireless power
- Portable medical instruments
- Industrial lighting
- Energy harvesting