Parameters |
Min Output Voltage |
7V |
Input Characteristics |
STANDARD |
Internal Switch(s) |
Yes |
fmax-Min |
0.025 MHz |
Dimming |
PWM |
Number of Segments |
12 |
Multiplexed Display Capability |
NO |
Nominal Input Voltage (DC) |
3.8V |
Height |
675μm |
Length |
0m |
Width |
0m |
Thickness |
420μm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 1 week ago) |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
16-WFBGA, DSBGA |
Number of Pins |
16 |
Operating Temperature |
-30°C~85°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e1 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
16 |
ECCN Code |
EAR99 |
Type |
DC DC Regulator |
Terminal Finish |
Tin/Silver/Copper (Sn/Ag/Cu) |
Applications |
Backlight |
HTS Code |
8542.39.00.01 |
Subcategory |
Display Drivers |
Terminal Position |
BOTTOM |
Terminal Form |
BALL |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
3.8V |
Terminal Pitch |
0.4mm |
Frequency |
500kHz 1MHz |
Base Part Number |
LP8557 |
Number of Outputs |
6 |
Output Type |
Adjustable |
Max Supply Voltage |
5.5V |
Output Current |
160mA |
Max Supply Current |
2.2mA |
Max Output Voltage |
28V |
Voltage - Output |
28V |
Topology |
Step-Up (Boost) |
Min Input Voltage |
2.7V |
Max Input Voltage |
5.5V |
Output Current per Channel |
25mA |
LP8557IAYFQT Overview
There is a 16-WFBGA, DSBGA package on the board that is used to save space. Typically, LED drivers have 6 outputs.It is mounted using Surface Mount.Initially, it emerges as a DC DC Regulator with high efficiency and a high degree of reliability.It is possible for the led driver ic to operate normally at -30°C~85°C TA.Backlight has many advantages.In the 500kHz 1MHz frequency range, it operates.There are 16 terminations associated with it.There are 16 pins used to form the base of its configuration.The number of segments is estimated to be 12.This is mounted by Surface Mount.This LED driver has the part number LP8557.It is acceptable to supply voltages of 5.5V volts.This device has an output voltage of 28V volts.In addition, it can also be categorized into Display Drivers based on its characteristics.Initially, it accepts a voltage of 2.7V.There is 5.5V maximum value for supply current.When the supply current should be less than 2.2mA, the device will provide high efficiency.It is possible to supply the load with 160mA current.Voltages should not exceed 28V volts at the output.The voltage it outputs stays at 7V.A Adjustable output type is equipped with it.
LP8557IAYFQT Features
Available in the 16-WFBGA, DSBGA package
Operating temperature of -30°C~85°C TA
Frequency of 500kHz 1MHz
Supply voltage of 3.8V
LP8557IAYFQT Applications
There are a lot of Texas Instruments LP8557IAYFQT LED Driver ICs applications.
- Stage and Studio lighting
- Power source for accessories such as car audios, car navigation systems, and ETC systems
- Amusement Machines
- Scanners and Handy Terminals
- Flicker-free LED Lighting using R1580N
- Medical surgery lighting
- Museum lighting
- Down lighting
- Panel lighting
- Sports Facility Lighting