Overview
The CMS1620B is a LED Display Driver made by Cmsemicon in a SOP-20-300mil package with 20 pins. -40℃~+80℃ 100mA 4.5V~5.5V 60mA 8 Segment x 5 Digit、7 Segment x 6 Digit、9 segments x 4 digits、6 segments x 7 digits SOP-20-300mil Digital Tube Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CMS1620B, from EasyEDA) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C541893).
Symbol
Footprint
Parameters
5- Configuration
- 8 Segment x 5 Digit, 7 Segment x 6 Digit, 9 segments x 4 digits, 6 segments x 7 digits
- Digit Drive Current
- 100mA
- Operating Temperature
- -40℃~+80℃
- Segment Drive Current
- 60mA
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- CMS1620BLCSC C541893
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | GND | Unspecified |
| 2 | DIO | Unspecified |
| 3 | CLK | Unspecified |
| 4 | STB | Unspecified |
| 5 | K2 | Unspecified |
| 6 | VDD | Unspecified |
| 7 | SEG1/KS1 | Unspecified |
| 8 | SEG2/KS2 | Unspecified |
| 9 | SEG3/KS3 | Unspecified |
| 10 | SEG4/KS4 | Unspecified |
| 11 | KS5/SEG5 | Unspecified |
| 12 | KS6/SEG6 | Unspecified |
| 13 | GRID7/SEG12 | Unspecified |
| 14 | GRID6/SEG13 | Unspecified |
| 15 | GRID5/SEG14 | Unspecified |
| 16 | GRID4 | Unspecified |
| 17 | GRID3 | Unspecified |
| 18 | GND | Unspecified |
| 19 | GRID2 | Unspecified |
| 20 | GRID1 | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/cmsemicon/CMS1620B" title="CMS1620B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/cmsemicon/CMS1620B.jpg" alt="CMS1620B" width="1200" height="900">[](https://pcbkit.io/parts/cmsemicon/CMS1620B)Questions
Is there a KiCad symbol and footprint for the CMS1620B?
Yes. The symbol is EasyEDA_Cloud:CMS1620B and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CMS1620B?
SOP-20-300mil, with 20 pins. Its footprint is drawn on this page.
Where is the CMS1620B datasheet?
Cmsemicon publishes it: the Datasheet link on this page opens it.
Where can I order the CMS1620B?
JLCPCB lists it as part C541893, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CMS1620B?
Parts like it in the library: the CMS1620 by Cmsemicon. Check their datasheets: a part that fits the footprint may still differ in its ratings.
