

Overview
The TCAL9538PW is an i, O Expander made by Texas Instruments in a TSSOP-16 package with 16 pins. TSSOP-16 I/O Expanders ROHS.
PCBKit's library has its footprint (Package_SO:TSSOP-16_4.4x5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 1 are in stock at JLCPCB (part C22445411). 3 open-source boards in 1 repository on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
12- Clock Frequency
- 1MHz
- Current - Output High(IOH)
- 10mA
- Current - Output Low(IOL)
- 25mA
- Features
- Built-in LED driver
- Interface
- SMBus
- Interrupt Output
- Interrupt Output
- Number of I/O
- 8
- Number of Supporting Devices
- 2
- Operating Temperature
- -40℃~+125℃
- Output Type
- Push-Pull
- Quiescent Supply Current
- 1uA
- Voltage - Supply
- 1.08V~3.6V
Order codes
1- TCAL9538PWRLCSC C22445411
Open-source boards using it
All 3- 4 layers70 × 70 mm

- 4 layers70 × 70 mm

- 4 layers25 × 80 mm

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Is there a KiCad symbol and footprint for the TCAL9538PW?
Yes. the footprint Package_SO:TSSOP-16_4.4x5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the TCAL9538PW?
TSSOP-16, with 16 pins. Its footprint is drawn on this page.
Where can I order the TCAL9538PW?
JLCPCB lists it as part C22445411, with 1 in stock; the sellers' links on this page open their listings.
What can replace the TCAL9538PW?
Parts like it in the library: the FCA9555Q by Nyfea, the FCA9535Q by Nyfea, the FCA9539Q by Nyfea and the FCA8574T by Nyfea. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the TCAL9538PW?
3 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8FCA9555Q
WQFN-24(4x4)-55℃~+125℃ 1.6V~5.5V 10mA 10mA 16 1MHz 500nA 8 I2C Interrupt Output WQFN-24(4x4) I/O Expanders ROHSNyfeaI/O ExpandersFCA9535Q
WQFN-24(4x4)-55℃~+125℃ 1.6V~5.5V 10mA 10mA 16 1MHz 500nA 8 I2C Interrupt Output WQFN-24(4x4) I/O Expanders ROHSNyfeaI/O ExpandersFCA9539Q
WQFN-24(4x4)-55℃~+125℃ 1.6V~5.5V 10mA 10mA 16 1MHz 500nA 8 I2C Interrupt Output WQFN-24(4x4) I/O Expanders ROHSNyfeaI/O ExpandersFCA8574T
TSSOP-20-40℃~+85℃ 1.6V~5.5V 1MHz 1mA 25mA 500nA 8 8 I2C Interrupt Output TSSOP-20 I/O Expanders ROHSNyfeaI/O ExpandersFCA9535T
TSSOP-24-55℃~+125℃ 1.6V~5.5V 10mA 10mA 16 1MHz 500nA 8 I2C Interrupt Output TSSOP-24 I/O Expanders ROHSNyfeaI/O ExpandersFCA9555T
TSSOP-24-55℃~+125℃ 1.6V~5.5V 10mA 10mA 16 1MHz 500nA 8 I2C Interrupt Output TSSOP-24 I/O Expanders ROHSNyfeaI/O ExpandersFCA8574Q
WQFN-16(3x3)-40℃~+85℃ 1.6V~5.5V 1MHz 1mA 25mA 500nA 8 8 I2C Interrupt Output WQFN-16(3x3) I/O Expanders ROHSNyfeaI/O ExpandersFCA9539T
TSSOP-24-55℃~+125℃ 1.6V~5.5V 10mA 10mA 16 1MHz 500nA 8 I2C Interrupt Output TSSOP-24 I/O Expanders ROHSNyfeaI/O Expanders