2 layers308.7 × 241.8 mm
OTTOtact
cester-ino/OTTO-hardware
those specs refer to the tactile buttons version, but a led backlight button version is in the works too.
229 parts49GPL-3.0
Overview
The LM3914 is a LED Driver made by Gcore in a DIP-18 package with 18 pins. DIP-18 LED Drivers ROHS.
PCBKit's library has its footprint (Package_DIP:DIP-18_W7.62mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C529246). 11 open-source boards in 11 repositories on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
From the datasheet
10- Supply, least
- 3 V · V+, operating range, min · p. 3
- Supply, most
- 20 V · V+, operating range, max · p. 3
- Supply, absolute maximum
- 25 V · V+, absolute maximum · p. 3
- Works from
- 0 °C · operating ambient, min · p. 1
- Works up to
- 70 °C · operating ambient, max · p. 1
- Junction, hottest
- 100 °C · junction temperature, max · p. 3
- Takes asleep
- 2.4 mA · all outputs off, V+ = 5 V, reference load = 0.2 mA, typical · p. 4
- Takes asleep
- 6.1 mA · all outputs off, V+ = 20 V, reference load = 1 mA, typical · p. 4
- Gives
- 30 mA · programmable LED sink current per channel, max · p. 1
- Junction to air (PDIP (NFK))
- 55 K/W · junction to ambient · p. 3
Order codes
1- LM3914LCSC C529246
Open-source boards using it
All 11- 2 layers67 × 53 mm
- 2 layers113 × 227.9 mm
Board2
aiabusalama/pumpbox
REISBOT Pump Guard: a Rust + Raspberry Pi box that keeps a 150 V solar water pump alive
115 partsMIT - 2 layers40 × 60 mm
- 2 layers53.3 × 105.3 mm
- 2 layers103.4 × 73 mm
Power supply
vt-amplab/basic-soldering-cert-board
Kicad files for the new basic soldering certification board
104 partsApache-2.0 - 2 layers66 × 66 mm
BTN MiniSpec
Binomica-Labs/Hardware
Open source tools for scientific inquiry and exploration!
21 parts22MIT - 2 layers39.4 × 78.7 mm
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<iframe src="https://pcbkit.io/embed/parts/gcore/LM3914" title="LM3914 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/gcore/LM3914.jpg" alt="LM3914" width="1200" height="900">[](https://pcbkit.io/parts/gcore/LM3914)Questions
Is there a KiCad symbol and footprint for the LM3914?
Yes. the footprint Package_DIP:DIP-18_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM3914?
DIP-18, with 18 pins. Its footprint is drawn on this page.
Where can I order the LM3914?
JLCPCB lists it as part C529246, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM3914?
Parts like it in the library: the LM3914N(XBLW) by XBLW, the LM3916N(XBLW) by XBLW, the XD3915 by XINLUDA and the XD3916 by XINLUDA. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM3914?
11 boards in 11 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
7
LM3914N(XBLW)
DIP-18DIP-18 LED Drivers ROHSXBLWLED DriversLM3916N(XBLW)
DIP-18DIP-18 LED Drivers ROHSXBLWLED DriversXD3915
DIP-180℃~+70℃ 10 30mA 3V~20V Over Voltage Protection PWM DIP-18 LED Drivers ROHSXINLUDALED DriversXD3916
DIP-180℃~+70℃ 10 30mA 3V~20V PWM DIP-18 LED Drivers ROHSXINLUDALED DriversLM3914-DIP-18
DIP-180℃~+70℃ DIP-18 LED Drivers ROHSDDFLED DriversLM3915-DIP-18
DIP-180℃~+70℃ 10 30mA 3V~25V Built-in Over Voltage Protection DIP-18 LED Drivers ROHSDDFLED DriversLM3915
DIP-18DIP-18 LED Drivers ROHSGcoreLED Drivers