component
DRV8825PWPR
Public Made by Adomby adom
Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+19−16@@ -38,25 +38,25 @@ "number": "1", "name": "CP1", "type": "bidirectional",- "description": "Charge pump flying capacitor connection; connect 0.01-\u03bcF 50-V capacitor between CP1 and CP2."+ "description": "Charge pump flying capacitor connection; connect 0.01-μF 50-V capacitor between CP1 and CP2." }, { "number": "2", "name": "CP2", "type": "bidirectional",- "description": "Charge pump flying capacitor connection; connect 0.01-\u03bcF 50-V capacitor between CP1 and CP2."+ "description": "Charge pump flying capacitor connection; connect 0.01-μF 50-V capacitor between CP1 and CP2." }, { "number": "3", "name": "VCP", "type": "bidirectional",- "description": "High-side gate drive voltage supply; connect 0.1-\u03bcF 16-V ceramic capacitor and 1-M\u03a9 resistor between VCP and VMA."+ "description": "High-side gate drive voltage supply; connect 0.1-μF 16-V ceramic capacitor and 1-MΩ resistor between VCP and VMA." }, { "number": "4", "name": "VMA", "type": "power_in",- "description": "Bridge A motor power supply input (8.2 to 45 V); bypass with 0.1-\u03bcF capacitor to GND."+ "description": "Bridge A motor power supply input (8.2 to 45 V); bypass with 0.1-μF capacitor to GND." }, { "number": "5",@@ -98,7 +98,7 @@ "number": "11", "name": "VMB", "type": "power_in",- "description": "Bridge B motor power supply input (8.2 to 45 V); bypass with 0.47-\u03bcF 6.3-V ceramic capacitor to GND."+ "description": "Bridge B motor power supply input (8.2 to 45 V); bypass with 0.47-μF 6.3-V ceramic capacitor to GND." }, { "number": "12",@@ -128,13 +128,13 @@ "number": "16", "name": "nRESET", "type": "input",- "description": "Active-low reset input with 100-k\u03a9 internal pulldown; resets indexer to home position and disables H-bridge outputs."+ "description": "Active-low reset input with 100-kΩ internal pulldown; resets indexer to home position and disables H-bridge outputs." }, { "number": "17", "name": "nSLEEP", "type": "input",- "description": "Sleep mode control input with 1-M\u03a9 internal pulldown; logic high for normal operation, logic low for sleep mode."+ "description": "Sleep mode control input with 1-MΩ internal pulldown; logic high for normal operation, logic low for sleep mode." }, { "number": "18",@@ -146,25 +146,25 @@ "number": "19", "name": "DECAY", "type": "input",- "description": "Decay mode selection input with ~130-k\u03a9 internal pullup and ~80-k\u03a9 pulldown; logic low = slow decay, floating = mixed decay, logic high = fast decay."+ "description": "Decay mode selection input with ~130-kΩ internal pullup and ~80-kΩ pulldown; logic low = slow decay, floating = mixed decay, logic high = fast decay." }, { "number": "20", "name": "DIR", "type": "input",- "description": "Direction input with 100-k\u03a9 internal pulldown; determines stepper motor rotation direction with each STEP pulse."+ "description": "Direction input with 100-kΩ internal pulldown; determines stepper motor rotation direction with each STEP pulse." }, { "number": "21", "name": "nENBL", "type": "input",- "description": "Active-high enable input with 100-k\u03a9 internal pulldown; logic low enables H-bridges and indexer, logic high disables."+ "description": "Active-high enable input with 100-kΩ internal pulldown; logic low enables H-bridges and indexer, logic high disables." }, { "number": "22", "name": "STEP", "type": "input",- "description": "Step pulse input with 100-k\u03a9 internal pulldown; rising edge advances indexer by one step state."+ "description": "Step pulse input with 100-kΩ internal pulldown; rising edge advances indexer by one step state." }, { "number": "23",@@ -176,25 +176,25 @@ "number": "24", "name": "MODE0", "type": "input",- "description": "Microstep mode select bit 0 with 100-k\u03a9 internal pulldown; combined with MODE1/MODE2 sets resolution from full step to 1/32 step."+ "description": "Microstep mode select bit 0 with 100-kΩ internal pulldown; combined with MODE1/MODE2 sets resolution from full step to 1/32 step." }, { "number": "25", "name": "MODE1", "type": "input",- "description": "Microstep mode select bit 1 with 100-k\u03a9 internal pulldown; combined with MODE0/MODE2 sets resolution from full step to 1/32 step."+ "description": "Microstep mode select bit 1 with 100-kΩ internal pulldown; combined with MODE0/MODE2 sets resolution from full step to 1/32 step." }, { "number": "26", "name": "MODE2", "type": "input",- "description": "Microstep mode select bit 2 with 100-k\u03a9 internal pulldown; combined with MODE0/MODE1 sets resolution from full step to 1/32 step."+ "description": "Microstep mode select bit 2 with 100-kΩ internal pulldown; combined with MODE0/MODE1 sets resolution from full step to 1/32 step." }, { "number": "27", "name": "nHOME", "type": "tri_state",- "description": "Open-drain home position output; logic low when indexer is at 45\u00b0 home position state."+ "description": "Open-drain home position output; logic low when indexer is at 45° home position state." }, { "number": "28",@@ -286,5 +286,8 @@ "docs/drv8825pwpr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }