
HL2IOBoard
jimahlstrom/HL2IOBoard
A PCB added to the HL2 with IO resources to control filters and antennas

The PCA9536D is an i, O Expander made by NXP Semiconductors in a SOIC-8 package with 8 pins. -40℃~+85℃ 1 2.3V~5.5V 24mA 250nA 4 4.1V 400kHz I2C、SMBus No Interrupt Output Reset function SO-8 I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (Interface_Expansion:PCA9536D, from KiCad's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 2,474 are in stock at JLCPCB (part C2688883). 24 open-source boards in 19 repositories on GitHub use it.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| supply voltage VDD | min -0.5 · max 6 V | 11 | |
| input current II | max 20 mA | 11 | |
| voltage on an input/output pin VI/O | max 5.5 V | 11 | |
| output current on pin IOn IO(IOn) | max 50 mA | 11 | |
| supply current IDD | max 85 mA | 11 | |
| ground supply current ISS | max 100 mA | 11 | |
| total power dissipation Ptot | max 200 mW | 11 | |
| storage temperature Tstg | min -65 · max 150 C | 11 | |
| ambient temperature Tamb | min -40 · max 85 C | 11 | |
| maximum junction temperature Tj(max) | max 125 C | 11 | |
| supply voltage VDD | VSS = 0 V; Tamb = −40 °C to +85 °C | min 2.3 · max 5.5 V | 12 |
| supply current IDD | operating mode; VDD = 5.5 V; no load; fSCL = 100 kHz | typ 290 · max 400 A | 12 |
| standby current Istb | Standby mode; VDD = 5.5 V; no load; VI = VSS; fSCL = 0 kHz; I/O = inputs | typ 225 · max 350 A | 12 |
| standby current Istb | Standby mode; VDD = 5.5 V; no load; VI = VDD; fSCL = 0 kHz; I/O = inputs | typ 0.25 · max 1 A | 12 |
| power-on reset voltage VPOR | VDD must be lowered to 0.2 V in order to reset part. | typ 1.7 · max 2.2 V | 12 |
| LOW-level input voltage VIL | Input SCL; input/output SDA | min -0.5 V | 12 |
| HIGH-level input voltage VIH | Input SCL; input/output SDA | max 5.5 V | 12 |
| LOW-level output current IOL | Input SCL; input/output SDA; VOL = 0.4 V | min 3 · typ 6 mA | 12 |
| leakage current IL | Input SCL; input/output SDA; VI = VDD = VSS | min -1 · max 1 A | 12 |
| input capacitance Ci | Input SCL; input/output SDA; VI = VSS | typ 6 · max 10 pF | 12 |
| LOW-level input voltage VIL | I/Os | min -0.5 · max 0.8 V | 12 |
| HIGH-level input voltage VIH | I/Os | min 2 · max 5.5 V | 12 |
| LOW-level output current IOL | I/Os; VOL = 0.5 V; VDD = 2.3 V; external current limits per footnote [2] | min 8 · typ 10 mA | 12 |
| LOW-level output current IOL | I/Os; VOL = 0.7 V; VDD = 2.3 V; external current limits per footnote [2] | min 10 · typ 13 mA | 12 |
| LOW-level output current IOL | I/Os; VOL = 0.5 V; VDD = 3.0 V; external current limits per footnote [2] | min 8 · typ 14 mA | 12 |
| LOW-level output current IOL | I/Os; VOL = 0.7 V; VDD = 3.0 V; external current limits per footnote [2] | min 10 · typ 19 mA | 12 |
| LOW-level output current IOL | I/Os; VOL = 0.5 V; VDD = 4.5 V; external current limits per footnote [2] | min 8 · typ 17 mA | 12 |
| LOW-level output current IOL | I/Os; VOL = 0.7 V; VDD = 4.5 V; external current limits per footnote [2] | min 10 · typ 24 mA | 12 |
| HIGH-level output voltage VOH | I/Os; IOH = −8 mA; VDD = 2.3 V; total sourced current limited to 85 mA | min 1.8 V | 12 |
| HIGH-level output voltage VOH | I/Os; IOH = −10 mA; VDD = 2.3 V; total sourced current limited to 85 mA | min 1.7 V | 12 |
| HIGH-level output voltage VOH | I/Os; IOH = −8 mA; VDD = 3.0 V; total sourced current limited to 85 mA | min 2.6 V | 12 |
| HIGH-level output voltage VOH | I/Os; IOH = −10 mA; VDD = 3.0 V; total sourced current limited to 85 mA | min 2.5 V | 12 |
| HIGH-level output voltage VOH | I/Os; IOH = −8 mA; VDD = 4.75 V; total sourced current limited to 85 mA | min 4.1 V | 12 |
| HIGH-level output voltage VOH | I/Os; IOH = −10 mA; VDD = 4.75 V; total sourced current limited to 85 mA | min 4 V | 12 |
| HIGH-level input leakage current ILIH | I/Os; VDD = 3.6 V; VI = VDD | max 1 A | 12 |
| LOW-level input leakage current ILIL | I/Os; VDD = 5.5 V; VI = VSS | max -100 A | 12 |
| input capacitance Ci | I/Os | typ 3.7 · max 5 pF | 12 |
| output capacitance Co | I/Os | typ 3.7 · max 5 pF | 12 |
| Pin | Name | Type |
|---|---|---|
| 1 | IO0 | Input/output |
| 2 | IO1 | Input/output |
| 3 | IO2 | Input/output |
| 4 | VSS | Power in |
| 5 | IO3 | Input/output |
| 6 | SCL | Input |
| 7 | SDA | Input/output |
| 8 | VDD | Power in |

jimahlstrom/HL2IOBoard
A PCB added to the HL2 with IO resources to control filters and antennas


hb020/batterymeter
Handheld Battery AC and Time Domain characterization tool on Attiny series 2





etet100/cnc_pendant
This project was designed with simplicity and practicality in mind, focusing on essential functions like jogging and basic machine control (start/stop/pause) rather than attempting to replicate all CNC controller…
<iframe src="https://pcbkit.io/embed/parts/nxp/PCA9536D" title="PCA9536D 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/PCA9536D.jpg" alt="PCA9536D" width="1200" height="900">[](https://pcbkit.io/parts/nxp/PCA9536D)Yes. The symbol is Interface_Expansion:PCA9536D and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-8, with 8 pins. Its footprint is drawn on this page.
NXP Semiconductors publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C2688883, with 2,474 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the PCA9555PW by NXP Semiconductors, the AW9523BTQR by AWINIC, the TCA6416ARTWR by Texas Instruments and the TCA9535PW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
24 boards in 19 repositories on GitHub; the most starred are listed on this page, with their KiCad files.