component
tca9554pwr
Public Made by Adomby adom
Texas Instruments I/O Expanders, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.
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tca9554pwr: restore the component block (pinout + model declarations) from this page's own README and symbol
1 file changed
+123−1
page.json+123−1@@ -33,5 +33,127 @@ "author": { "name": "Ray", "email": "[email protected]"+ },+ "component": {+ "mpn": "TCA9554PWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-16",+ "pin_count": 16,+ "category": "I/O Expanders",+ "datasheet": "https://www.ti.com/lit/ds/symlink/tca9554.pdf",+ "parts": {+ "symbol": "tca9554pwr.kicad_sym",+ "footprint": "tca9554pwr.kicad_mod",+ "model_3d": "tca9554pwr-etched.glb",+ "model_3d_plain": "tca9554pwr.glb",+ "model_3d_step": "tca9554pwr-etched.step",+ "model_3d_step_plain": "tca9554pwr.step",+ "lbr": "tca9554pwr.lbr"+ },+ "pins": [+ {+ "number": "1",+ "name": "A0",+ "type": "input",+ "description": "Hardware I2C slave-address select bit 0. Must be tied directly to VCC or GND (not left floating). Combines with A1/A2 to form the lower 3 bits of the 7-bit slave address, allowing up to 8 TCA9554 devices on one bus."+ },+ {+ "number": "2",+ "name": "A1",+ "type": "input",+ "description": "Hardware I2C slave-address select bit 1. Must be tied directly to VCC or GND. Combines with A0/A2 to form the lower 3 bits of the 7-bit slave address."+ },+ {+ "number": "3",+ "name": "A2",+ "type": "input",+ "description": "Hardware I2C slave-address select bit 2. Must be tied directly to VCC or GND. Combines with A0/A1 to form the lower 3 bits of the 7-bit slave address."+ },+ {+ "number": "4",+ "name": "P0",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 0. Push-pull output structure. Configured as an input at power-up. Sinks up to 25 mA (Tj ≤ 65 °C) for direct LED drive; sources up to 10 mA per pin (80 mA total across P0-P7). 5 V-tolerant input."+ },+ {+ "number": "5",+ "name": "P1",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 1. Push-pull output. Configured as an input at power-up. Same drive/sink limits as P0."+ },+ {+ "number": "6",+ "name": "P2",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 2. Push-pull output. Configured as an input at power-up. Same drive/sink limits as P0."+ },+ {+ "number": "7",+ "name": "P3",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 3. Push-pull output. Configured as an input at power-up. Same drive/sink limits as P0."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference. Total continuous current sunk through GND by all P-ports plus INT and SDA is limited to 200 mA (250 mA absolute max)."+ },+ {+ "number": "9",+ "name": "P4",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 4. Push-pull output. Configured as an input at power-up. Same drive/sink limits as P0."+ },+ {+ "number": "10",+ "name": "P5",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 5. Push-pull output. Configured as an input at power-up. Same drive/sink limits as P0."+ },+ {+ "number": "11",+ "name": "P6",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 6. Push-pull output. Configured as an input at power-up. Same drive/sink limits as P0."+ },+ {+ "number": "12",+ "name": "P7",+ "type": "bidirectional",+ "description": "P-port bidirectional I/O, bit 7. Push-pull output. Configured as an input at power-up. Same drive/sink limits as P0."+ },+ {+ "number": "13",+ "name": "INT",+ "type": "output",+ "description": "Open-drain active-low interrupt output. Asserts when any P-port input changes state versus the Input Port register; requires an external pull-up to VCC. Sinks up to 7 mA (VOL = 0.4 V)."+ },+ {+ "number": "14",+ "name": "SCL",+ "type": "input",+ "description": "I2C serial clock bus input. Requires an external pull-up to VCC. Supports Standard-mode (100 kHz) and Fast-mode (400 kHz). VIH = 0.7 × VCC."+ },+ {+ "number": "15",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C serial data bus, bidirectional open-drain. Requires an external pull-up to VCC. Sinks up to 11 mA (VOL = 0.4 V). Supports 100 kHz / 400 kHz operation."+ },+ {+ "number": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage, 1.65 V to 5.5 V (absolute max 6 V). Decouple with a local bypass capacitor to GND. Total continuous current through VCC (all P-ports high) is limited to 80 mA (160 mA absolute max)."+ }+ ],+ "provenance": {+ "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ } }-}+}