Skip to the content
PCBKitNew board
LP8557AYFQT, in 3D

LP8557AYFQT

Texas Instruments

-30℃~+85℃ 2.7V~5.5V 25mA 28V 3% 500kHz、1MHz 6 Analog、PWM Boost Built-in DC-DC DSBGA-16 LED Drivers ROHS

Extended
DatasheetJLCPCBLCSCti/LP8557AYFQT
Category
LED Drivers
Package
DSBGA-16
Pins
16

Overview

The LP8557AYFQT is a LED Driver made by Texas Instruments in a DSBGA-16 package with 16 pins. -30℃~+85℃ 2.7V~5.5V 25mA 28V 3% 500kHz、1MHz 6 Analog、PWM Boost Built-in DC-DC DSBGA-16 LED Drivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LP8557IAYFQT, from EasyEDA) and its footprint (EasyEDA_Cloud:DSBGA-16_L2.0-W2.0-R4-C4-P0.40-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C701974).

Symbol

SWA1SW_GNDA2FSET/SDAA3ISET/SCLA4SWB1SW_GNDB2FBB3LED3B4VDDC1GNDC2PWMC3LED2C4LED6D1LED5D2LED4D3LED1D4
EasyEDA_Cloud:LP8557IAYFQTFrom EasyEDA

Footprint

EasyEDA_Cloud:DSBGA-16_L2.0-W2.0-R4-C4-P0.40-BLFrom EasyEDA

Parameters

12
Constant Current Accuracy
3%
Dimming
Analog, PWM
Features
Short Circuit Protection, Over Voltage Protection, Over-Temperature Protection (OTP), LED open-circuit protection, Built-in soft-start
Frequency - Switching
1MHz, 500kHz
Number of Channels
6
Operating temperature
-30℃~+85℃
Output Current
25mA
Output Voltage
28V
Switch Tube (Built-In/External)
Built-in
Topology
Boost
Type
DC-DC
Voltage - Input(DC)
2.7V~5.5V

Order codes

1

Pinout

16
The pins of the LP8557AYFQT
PinNameType
A1SWUnspecified
A2SW_GNDUnspecified
A3FSET/SDAUnspecified
A4ISET/SCLUnspecified
B1SWUnspecified
B2SW_GNDUnspecified
B3FBUnspecified
B4LED3Unspecified
C1VDDUnspecified
C2GNDUnspecified
C3PWMUnspecified
C4LED2Unspecified
D1LED6Unspecified
D2LED5Unspecified
D3LED4Unspecified
D4LED1Unspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/LP8557AYFQT" title="LP8557AYFQT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/LP8557AYFQT.jpg" alt="LP8557AYFQT" width="1200" height="900">
A picture that opens the part, for a README
[![LP8557AYFQT](https://pcbkit.io/embed/parts/ti/LP8557AYFQT.jpg?size=s)](https://pcbkit.io/parts/ti/LP8557AYFQT)

Questions

Is there a KiCad symbol and footprint for the LP8557AYFQT?

Yes. The symbol is EasyEDA_Cloud:LP8557IAYFQT and the footprint EasyEDA_Cloud:DSBGA-16_L2.0-W2.0-R4-C4-P0.40-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LP8557AYFQT?

DSBGA-16, with 16 pins. Its footprint is drawn on this page.

Where is the LP8557AYFQT datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LP8557AYFQT?

JLCPCB lists it as part C701974, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LP8557AYFQT?

Parts like it in the library: the TPS54200DDC by Texas Instruments, the NUD4001D by onsemi, the NSVD4001D by onsemi and the LP8557IAYFQR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8