Parameters |
Mounting Type |
Surface Mount |
Package / Case |
20-SOIC (0.295, 7.50mm Width) |
Surface Mount |
YES |
Number of Pins |
20 |
Weight |
569.003279mg |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
20 |
ECCN Code |
EAR99 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
HTS Code |
8542.39.00.01 |
Subcategory |
Power Management Circuits |
Technology |
BIPOLAR |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
15V |
Terminal Pitch |
1.27mm |
Base Part Number |
UC3909 |
Pin Count |
20 |
Input Voltage-Nom |
15V |
Power Supplies |
15V |
Max Supply Voltage |
40V |
Min Supply Voltage |
7.5V |
Analog IC - Other Type |
BATTERY CHARGE CONTROLLER |
Output Current |
100mA |
Control Mode |
CURRENT-MODE |
Control Technique |
PULSE WIDTH MODULATION |
Supply Current-Max (Isup) |
19mA |
Nominal Input Voltage |
40V |
Switcher Configuration |
SINGLE |
Battery Chemistry |
Lead Acid |
Switching Frequency |
242kHz |
Current - Charging |
Constant - Programmable |
Height Seated (Max) |
2.65mm |
Length |
12.8mm |
Width |
7.5mm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Contains Lead |
UC3909DWTR Overview
There is a package named Tape & Reel (TR) that contains it.There is a 20-SOIC (0.295, 7.50mm Width) package included with this item that you will need to take care of.It appears that the device's mounting type is Surface Mount.The best way to adjust the temperature is to set it to 0°C~70°C TA.This device makes use of an analog IC of BATTERY CHARGE CONTROLLER.The device cannot be charged without Constant - Programmable current flowing through it.By using the base part number UC3909, related parts can be found for this device.Among its terminations, there are 20.A total of 20 pins are present on it.For the product to work correctly, 20 pins are required, and a connection to each pin is required.If it runs off of a 15V battery, then it should be able to run continuously.40V supply voltage is not a problem for it.This device operates with a current output of 100mA.Devices belonging to subcategory Power Management Circuits include this device.A supply voltage of 7.5V is suitable for it, because it can operate with a low supply voltage.In most cases, the maximum supply voltage (Vsup) is set to 19mA.With respect to the power supply for the part, it is set to 15V.It can be seen that the device has an input voltage of 15V.242kHz switching frequency is used by the part.
UC3909DWTR Features
Power Management Circuits subcategory
Switching frequency of 242kHz
20-SOIC (0.295, 7.50mm Width) package
UC3909DWTR Applications
There are a lot of Texas Instruments UC3909DWTR Battery Chargers ICs applications.
- Electric lift car
- Energy harvesting
- Charging cradle for wearable devices
- Remote powered communication and telemetry systems
- Model aircraft
- Smart power strips
- Crosswalk marker lights
- Fast charge
- Automotive electronics
- Personnel carriers