Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 3 days ago) |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
32-WFQFN Exposed Pad |
Number of Pins |
32 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
Series |
Boomer® |
JESD-609 Code |
e3 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
32 |
ECCN Code |
EAR99 |
Terminal Finish |
Matte Tin (Sn) |
Additional Feature |
ALSO OPERATES WITH SUPPLY VOLTAGE 4.5 TO 6V |
Subcategory |
Power Management Circuits |
Terminal Position |
QUAD |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
3.6V |
Base Part Number |
LP3921 |
Output Voltage |
1.8V |
Operating Supply Voltage |
5.5V |
Power Supplies |
3.6V |
Supply Voltage-Min (Vsup) |
3V |
Number of Channels |
7 |
Interface |
I2C |
Analog IC - Other Type |
POWER SUPPLY SUPPORT CIRCUIT |
Operating Supply Current |
2μA |
Output Current |
600mA |
Adjustable Threshold |
YES |
Dropout Voltage |
220mV |
Fault Protection |
Over Temperature, Reverse Current |
Battery Chemistry |
Lithium-Ion |
Number of Cells |
1 |
Current - Charging |
Constant - Programmable |
Charge Current - Max |
950mA |
Battery Pack Voltage |
4.2V |
Height |
800μm |
Length |
5mm |
Width |
5mm |
Thickness |
750μm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
LP3921SQE/NOPB Overview
It is included in the Tape & Reel (TR) package for convenience.There is currently a package available named 32-WFQFN Exposed Pad.The mounting type of the device is Surface Mount.Ideally, the temperature should be set to -40°C~85°C TA in order to ensure reliable performance.The device relies on an analog IC called POWER SUPPLY SUPPORT CIRCUIT to operate.For the device to be charged, there is Constant - Programmable current required.It is possible to find the related parts to the base part number LP3921.As a whole, it contains 32 terminations.Battery pack voltage is 4.2V.As far as the charging current is concerned, it is 950mA at full charge.The product is able to function with the help of 32 pins that are required.A total of 7 channels are available.It can be powered by a battery with 3.6V.A 1.8V output voltage provides high efficiency.During operation, 600mA represents the output current.As far as this device is concerned, it belongs to the subcategory Power Management Circuits.It is mounted in the same way as Surface Mount.There is 3.6V power supply set for the part.Electric components from the Boomer? series are included in this package.Current is flowing through the gadget's supply at 2μA volts.As a rule of thumb, the supply voltage needs to be set to 5.5V for optimum efficiency.In order to ensure normal operation, the supply voltage (Vsup) should be kept above 3V.With this device, it is also possible to generate the additional features of ALSO OPERATES WITH SUPPLY VOLTAGE 4.5 TO 6V.
LP3921SQE/NOPB Features
Battery pack voltage of 4.2V
7 channels
Power Management Circuits subcategory
Addtional features of ALSO OPERATES WITH SUPPLY VOLTAGE 4.5 TO 6V
32-WFQFN Exposed Pad package
LP3921SQE/NOPB Applications
There are a lot of Texas Instruments LP3921SQE/NOPB Battery Chargers ICs applications.
- Electrical Utility industry
- Material handling
- Cellphones
- Electricity bank
- Portable medical equipment
- Robot
- Charging cradle for wearable devices
- Portable medical instruments
- Industrial handhelds
- Laptops