2 layers18.7 × 19.5 mm
PCF2129T/2
NXP Semiconductors
-40℃~+85℃ 0.7uA 1.8V~4.2V 700nA Built-in SPI、I2C Watchdog timer、Temperature compensation、Backup power management and battery charging、Battery low-voltage detection、Timestamp function、Programmable clock output、Alarm function、Built-in crystal oscillator、Locking and tamper-proof、Periodic interrupt output Yes SO-16-300mil Real Time Clocks ROHS
Extended
- Category
- Real Time Clocks (RTC)
- Package
- SO-16-300mil
- Pins
- 16
Overview
The PCF2129T/2 is a real Time Clock made by NXP Semiconductors in a SO-16-300mil package with 16 pins. -40℃~+85℃ 0.7uA 1.8V~4.2V 700nA Built-in SPI、I2C Watchdog timer、Temperature compensation、Backup power management and battery charging、Battery low-voltage detection、Timestamp function、Programmable clock output、Alarm function、Built-in crystal oscillator、Locking and tamper-proof、Periodic interrupt output Yes SO-16-300mil Real Time Clocks ROHS.
PCBKit's library has its footprint (Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2651522). 3 open-source boards in 3 repositories on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
7- Alarm Output
- Yes
- Current - Supply
- 700nA
- Interface
- I2C；SPI
- Operating Temperature
- -40℃~+85℃
- Quiescent Current(Iq)
- 0.7uA
- Voltage - Supply
- 1.8V~4.2V
- crystal oscillator
- Built-in
Order codes
1- PCF2129T/2,518LCSC C2651522
Open-source boards using it
All 3- 2 layers93 × 93 mm
Sensor node
mirra-org/mirra
Firmware, web app/server and documentation for the MIRRA project.
58 partsApache-2.0 - 2 layers150 × 70 mm
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/nxp/PCF2129T/2" title="PCF2129T/2 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/nxp/PCF2129T/2.jpg" alt="PCF2129T/2" width="1200" height="900">[](https://pcbkit.io/parts/nxp/PCF2129T/2)Questions
Is there a KiCad symbol and footprint for the PCF2129T/2?
Yes. the footprint Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the PCF2129T/2?
SO-16-300mil, with 16 pins. Its footprint is drawn on this page.
Where is the PCF2129T/2 datasheet?
NXP Semiconductors publishes it: the Datasheet link on this page opens it.
Where can I order the PCF2129T/2?
JLCPCB lists it as part C2651522, with 0 in stock; the sellers' links on this page open their listings.
What can replace the PCF2129T/2?
Parts like it in the library: the PT7C4337ACSE by Diodes Incorporated, the PT7C4337ACSEX by Diodes Incorporated, the DS1337C#T&R by Maxim Integrated (Analog Devices) and the PCF2127T/2Y by NXP Semiconductors. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the PCF2129T/2?
3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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7
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