Skip to the content
PCBKitNew board
TLC5946PWPR on a board, in 3D

TLC5946PWPR

Texas Instruments

-40℃~+85℃ 1% 16 3V~5.5V 40mA PWM HTSSOP-28-EP LED Drivers ROHS

Extended
DatasheetJLCPCBLCSCti/TLC5946PWPR
Category
LED Drivers
Package
HTSSOP-28-EP
Pins
29

Overview

The TLC5946PWPR is a LED Driver made by Texas Instruments in a HTSSOP-28-EP package with 29 pins. -40℃~+85℃ 1% 16 3V~5.5V 40mA PWM HTSSOP-28-EP LED Drivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TLC5946PWP, from EasyEDA) and its footprint (EasyEDA_Cloud:HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-2, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C967426). 2 open-source boards in 1 repository on GitHub use it.

Symbol

VCC28IREF27XHALF26GSCLK25SOUT24XERR23OUT1522OUT1421OUT1320OUT1219OUT1118OUT1017OUT916OUT815OUT714OUT613OUT512OUT411OUT310OUT29OUT18OUT07MODE6SIN5SCLK4XLAT3BLANK2GND1EP29
EasyEDA_Cloud:TLC5946PWPFrom EasyEDA

Footprint

1234567891011121314151617181920212223242526272829
EasyEDA_Cloud:HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-2From EasyEDA

Parameters

12
Constant Current Accuracy
1%
Dimming
PWM
Features
Over-Temperature Protection (OTP), LED open-circuit protection, Built-in soft-start
Frequency - Switching
30MHz
Number of Channels
16
Operating temperature
-40℃~+85℃
Output Current
40mA
Output Voltage
17V
Switch Tube (Built-In/External)
Built-in
Topology
Boost
Type
DC-DC
Voltage - Input(DC)
3V~5.5V

Order codes

1

Pinout

29
The pins of the TLC5946PWPR
PinNameType
1GNDUnspecified
2BLANKUnspecified
3XLATUnspecified
4SCLKUnspecified
5SINUnspecified
6MODEUnspecified
7OUT0Unspecified
8OUT1Unspecified
9OUT2Unspecified
10OUT3Unspecified
11OUT4Unspecified
12OUT5Unspecified
13OUT6Unspecified
14OUT7Unspecified
15OUT8Unspecified
16OUT9Unspecified
17OUT10Unspecified
18OUT11Unspecified
19OUT12Unspecified
20OUT13Unspecified
21OUT14Unspecified
22OUT15Unspecified
23XERRUnspecified
24SOUTUnspecified
25GSCLKUnspecified
26XHALFUnspecified
27IREFUnspecified
28VCCUnspecified
29EPUnspecified

Open-source boards using it

All 2
  • 2 layers52.1 × 33.7 mmMultichannel driver and test led board, the printed circuit board in 3D

    Multichannel driver and test led board

    frenebo/test_breakout_board_pcbs

    This is a group of test PCBs I made to test components for a potentiostat device - didn't end up assembling them

    13 parts
  • 2 layers19.1 × 36.8 mmLeddriver plain pinout board, the printed circuit board in 3D

    Leddriver plain pinout board

    frenebo/test_breakout_board_pcbs

    This is a group of test PCBs I made to test components for a potentiostat device - didn't end up assembling them

    3 parts

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/TLC5946PWPR" title="TLC5946PWPR 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/TLC5946PWPR.jpg" alt="TLC5946PWPR" width="1200" height="900">
A picture that opens the part, for a README
[![TLC5946PWPR](https://pcbkit.io/embed/parts/ti/TLC5946PWPR.jpg?size=s)](https://pcbkit.io/parts/ti/TLC5946PWPR)

Questions

Is there a KiCad symbol and footprint for the TLC5946PWPR?

Yes. The symbol is EasyEDA_Cloud:TLC5946PWP and the footprint EasyEDA_Cloud:HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TLC5946PWPR?

HTSSOP-28-EP, with 29 pins. Its footprint is drawn on this page.

Where is the TLC5946PWPR datasheet?

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

Where can I order the TLC5946PWPR?

JLCPCB lists it as part C967426, with 0 in stock; the sellers' links on this page open their listings.

What can replace the TLC5946PWPR?

Parts like it in the library: the MBI5035GP-B by MBI, the TLC5940PWPR by Texas Instruments, the TLC59116IPW by Texas Instruments and the TLC59108IPW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the TLC5946PWPR?

2 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8