Parameters |
Factory Lead Time |
1 Week |
Mounting Type |
Surface Mount |
Package / Case |
32-WFQFN Exposed Pad |
Number of Pins |
32 |
Supplier Device Package |
32-WQFN (4x4) |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
Published |
2013 |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
Max Operating Temperature |
85°C |
Min Operating Temperature |
-40°C |
Interface |
I2C, USB |
Max Supply Voltage |
12V |
Fault Protection |
Over Temperature, Over Voltage |
Battery Chemistry |
Lithium Ion/Polymer |
Number of Cells |
1 |
Voltage - Supply (Max) |
12V |
Programmable Features |
Current, Timer |
Current - Charging |
Constant - Programmable |
Charge Current - Max |
4A |
Battery Pack Voltage |
4.44V Max |
REACH SVHC |
Unknown |
RoHS Status |
ROHS3 Compliant |
RT9451GQW Overview
In the Tape & Reel (TR) package, you will find it.There is a 32-WFQFN Exposed Pad package that comes with this item.Surface Mount is the mounting type of the device.It is recommended that the temperature be set to -40°C~85°C TA in order to ensure reliable performance.It is necessary to supply the device with Constant - Programmable current in order to charge it.The battery pack has 4.44V Max.The unit is equipped with a number of programmable features, including Current, Timer.On the device, it is listed as having a charge current of 4A.There are 32 pins necessary to make it work.The maximum supply voltage of the device is 12V.12V supply voltage is not a problem for it.It makes sense to conclude that for the supplier package of the device that it is 32-WQFN (4x4).As a safety precaution, it operates at a minimum working temperature of -40°C degrees Celsius, to ensure its reliable operation.Operating temperatures as low as 85°C°C allow for reliable operation.
RT9451GQW Features
Battery pack voltage of 4.44V Max
32-WFQFN Exposed Pad package
RT9451GQW Applications
There are a lot of Richtek USA Inc. RT9451GQW Battery Chargers ICs applications.
- TV sticks
- Crosswalk marker lights
- Remote powered communication and telemetry systems
- Boat
- Portable speaker systems
- Digital camera
- Mobile point-of-sale (mPOS) terminals
- USB power delivery (USB-C) devices
- Conventional charge
- GPS tracker