# PCA2131 (Component)

## Description

Nano\-power highly accurate RTC with integrated quartz crystal for automotive, I2C / SPI interface, LSON\-16
CMOS Real\-Time\-Clock PCA2131TF/Q900
\*LSON\*3\.5x4\.5mm?P0\.5mm?EP2x3\.8mm\* 

## Component Details

- **Owner:** kicad\-part\-library
- **Created:** 10/28/2026
- **Last Updated:** 10/28/2026
- **Visibility:** Public
- **Package or Case Code:** NXP\_LSON\-16\-1EP\_3\.5x4\.5mm\_P0\.5mm\_EP2x3\.8mm
- **Manufacturer Part Number:** PCA2131
- **Manufacturer Name:** NXP
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/e6874843bac6dfacf02bd886b27e84607dbf5295df46dfbf2adec36798f9d56d\.pdf
- **Part Type:** Integrated Circuit

- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** NXP
- **MPN:** PCA2131
- **Package / Case Code:** Other
- **Pin Count:** 17
- **Logic Function:** AND
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | IFS | Input |
| 2 | SCL | Input |
| 3 | SDI | Input |
| 4 | SDO | Tri\-State |
| 5 | SDA/\~\{CE\} | Bi\-Directional |
| 6 | CLKOUT | Output |
| 7 | V\_\{SS\} | Power In |
| 8 | \~\{TS1\} | Input |
| 9 | \~\{TS2\} | Input |
| 10 | \~\{TS3\} | Input |
| 11 | \~\{TS4\} | Input |
| 12 | \~\{INTB\} | Open Collector |
| 13 | \~\{INTA\} | Open Collector |
| 14 | BBS | Power Out |
| 15 | V\_\{DD\} | Power In |
| 16 | V\_\{BAT\} | Power In |
| 17 | EP | Passive |

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*Generated from [https://flux\.ai/kicad\-part\-library/pca2131\~wbp](https://flux.ai/kicad-part-library/pca2131~wbp)*