Parameters |
Number of Cells |
1 |
Voltage - Supply (Max) |
6V |
Current - Charging |
Constant - Programmable |
Battery Pack Voltage |
4.1V |
Height |
800μm |
Length |
4mm |
Width |
4mm |
Radiation Hardening |
No |
REACH SVHC |
No SVHC |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
14-WFDFN Exposed Pad |
Number of Pins |
14 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e0 |
Pbfree Code |
no |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
14 |
ECCN Code |
EAR99 |
Terminal Finish |
Tin/Lead (Sn/Pb) |
Subcategory |
Power Management Circuits |
Terminal Position |
DUAL |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
5V |
Terminal Pitch |
0.5mm |
Base Part Number |
LP3947 |
Pin Count |
14 |
Output Voltage |
4.2V |
Max Output Current |
750mA |
Power Supplies |
5V |
Number of Channels |
1 |
Interface |
I2C, USB |
Max Supply Voltage |
6V |
Min Supply Voltage |
4.3V |
Analog IC - Other Type |
POWER SUPPLY SUPPORT CIRCUIT |
Output Current |
750mA |
Adjustable Threshold |
YES |
Fault Protection |
Over Voltage |
Battery Chemistry |
Lithium-Ion |
LP3947ISD-09 Overview
There is a package for Tape & Reel (TR) in which it can be found.There is a 14-WFDFN Exposed Pad package that comes with this item.There is a type of mounting for this device: Surface Mount.A temperature setting of -40°C~85°C TA would be the best thing to do.The functionality of this device is provided by an analog IC called POWER SUPPLY SUPPORT CIRCUIT.To charge the device, a current of Constant - Programmable is required.If you use the base part number LP3947, you can look for related parts.The number of terminations found in it is 14 as a whole.In the battery pack, the voltage is 4.1V.Due to the 14 pins on it, it is a very simple circuit.In order for the product to be functional, it requires that you connect the 14 pins according to the instructions.There are a total of 1 channels available for your use.The maximum supply voltage of the device is 6V.It should be possible to run it from a 5V battery it should be able to run at all times.If the supply voltage exceeds 6V, the device will not function properly.There is a possibility of achieving optimal efficiency when the output voltage of the device is 4.2V.The operation is carried out with an output current of 750mA.Devices in this category are classified as Power Management Circuits.It can function at as low a supply voltage as possible, such as 4.3V.In terms of the mounting, it is mounted in the way indicated by Surface Mount as far as the mounting is concerned.The part's power supply is set to a value of 5V.In the course of operation, the maximum output current is reduced to 750mA.
LP3947ISD-09 Features
Battery pack voltage of 4.1V
1 channels
Power Management Circuits subcategory
14-WFDFN Exposed Pad package
LP3947ISD-09 Applications
There are a lot of Texas Instruments LP3947ISD-09 Battery Chargers ICs applications.
- Golf carts
- Painting boat
- Crosswalk marker lights
- Automotive/electrical vehicle
- Mobile lighting
- Cellphones
- Electricity bank
- TV sticks
- Maintenance shops
- Automotive electronics