Parameters |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
24 |
ECCN Code |
EAR99 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Terminal Position |
QUAD |
Terminal Form |
NO LEAD |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
5V |
Terminal Pitch |
0.5mm |
Time@Peak Reflow Temperature-Max (s) |
NOT SPECIFIED |
Base Part Number |
BQ24278 |
Output Voltage |
4.2V |
Number of Channels |
1 |
Max Supply Voltage |
10.5V |
Min Supply Voltage |
4V |
Analog IC - Other Type |
POWER SUPPLY SUPPORT CIRCUIT |
Output Current |
2.5A |
Adjustable Threshold |
YES |
Fault Protection |
Over Temperature, Over Voltage, Short Circuit |
Battery Chemistry |
Lithium-Ion |
Number of Cells |
1 |
Switching Frequency |
1.5MHz |
Voltage - Supply (Max) |
10V |
Current - Charging |
Constant - Programmable |
Battery Pack Voltage |
3.7V |
Height |
1mm |
Length |
4mm |
Width |
4mm |
Thickness |
880μm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
Factory Lead Time |
6 Weeks |
Lifecycle Status |
ACTIVE (Last Updated: 6 days ago) |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
24-VFQFN Exposed Pad |
Number of Pins |
24 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
BQ24278RGER Overview
There is a version of it included in the package Tape & Reel (TR).With this item, there is a 24-VFQFN Exposed Pad package that comes with it.Mounting type is Surface Mount.Keeping the temperature at -40°C~85°C TA will ensure reliable performance.To operate the device, an analog IC called POWER SUPPLY SUPPORT CIRCUIT is used.Providing Constant - Programmable current to the device is the only way to charge it.A list of related parts can be found by searching for the base part number BQ24278.It contains 24 terminations.This battery pack has a voltage of 3.7V.To operate the product, it is necessary that 24 pins be inserted into the device.Currently, there are a total of 1 channels available for use in the application.Ideally, devices with 10V maximum supply voltages should be used.It can be powered by a battery with 5V.The board is capable of handling a voltage input of zero volts.High efficiency can be achieved with a 4.2V output voltage.This device operates with a current output of 2.5A.This circuit can function at a low supply voltage, such as 4VV.A mounting requires that it align itself with Surface Mount.1.5MHz switching frequency is used by the part.
BQ24278RGER Features
Battery pack voltage of 3.7V
1 channels
Switching frequency of 1.5MHz
24-VFQFN Exposed Pad package
BQ24278RGER Applications
There are a lot of Texas Instruments BQ24278RGER Battery Chargers ICs applications.
- Marine buoy lights
- Automotive electronics
- Military equipment
- Modern LA
- Floor scrubber
- Mobile lighting
- Various chargers
- Model aircraft
- TV sticks
- Maintenance shops