component
AL8843SP-13
Public Made by Adomby adom
Diodes Incorporated LED Drivers, SO-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
2 files changed
+297−1
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/al8843sp-13-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+295@@ -0,0 +1,295 @@+{+ "schema": "adom.pads/1",+ "slug": "al8843sp-13",+ "footprint": "Diodes_SO-8EP",+ "generated_from": {+ "footprint": "Diodes_SO-8EP@sha256:e4747640ff122bb4",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.4975,+ -1.905+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "Diodes_SO-8EP@sha256:e4747640ff122bb4"+ },+ "pad_count": 9,+ "paste_apertures": 0,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "rect",+ "at": [+ -2.4975,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground of IC. Tie to system ground plane; internally connected to pin 2 and exposed pad.",+ "is_pin1": true,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "rect",+ "at": [+ -2.4975,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground of IC. Tie to system ground plane; internally connected to pin 1 and exposed pad.",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "rect",+ "at": [+ -2.4975,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "SET",+ "type": "input",+ "description": "Set nominal output current pin. Connect resistor R_SET from this pin to VIN to define the nominal average output current. Mean current-sense threshold V_SET typ 100mV (96-104mV) with respect to VIN; I_SET typ 8µA.",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "rect",+ "at": [+ -2.4975,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection. Leave floating or tie to ground for best noise immunity.",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "5",+ "kind": "smd",+ "shape": "rect",+ "at": [+ 2.4975,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "CTRL",+ "type": "input",+ "description": "Multi-function On/Off and brightness control input. Leave floating for normal operation. Drive below 0.3V to shut down the power switch. Analog dim by applying 0.4V-2.5V DC (10%-100% of I_OUT_NOM); >2.6V gives 100%. Accepts PWM (low <0.3V, high >2.6V, edges <1µs). A capacitor from CTRL to GND increases soft-start time (default t_SS ≈ 0.1ms; adds ~1.5ms/nF).",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "6",+ "kind": "smd",+ "shape": "rect",+ "at": [+ 2.4975,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "6",+ "name": "VIN",+ "type": "power_in",+ "description": "Input supply voltage, 4.5V to 40V (abs max 42V). Decouple to ground with a 10µF or higher X7R ceramic capacitor placed close to the device. UVLO rising typ 3.9V with 250mV hysteresis.",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "7",+ "kind": "smd",+ "shape": "rect",+ "at": [+ 2.4975,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "7",+ "name": "SW",+ "type": "output",+ "description": "Switch node - drain of the internal 40V NDMOS high-side switch (R_ON typ 0.2Ω). Connect the inductor and freewheeling Schottky diode here, minimizing track length to reduce EMI. Internally tied to pin 8.",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "8",+ "kind": "smd",+ "shape": "rect",+ "at": [+ 2.4975,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.505,+ 0.802+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "8",+ "name": "SW",+ "type": "output",+ "description": "Switch node - drain of the internal 40V NDMOS high-side switch. Connect the inductor and freewheeling Schottky diode here, minimizing track length to reduce EMI. Internally tied to pin 7.",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "9",+ "kind": "smd",+ "shape": "rect",+ "at": [+ 0.0,+ 0.0+ ],+ "rot": 0.0,+ "size": [+ 2.613,+ 3.502+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": true,+ "pin": "EP",+ "name": "EP",+ "type": "power_in",+ "description": "Exposed pad / thermal tab. Connects to GND and to the PCB thermal mass for enhanced thermal impedance. Solder to a copper pour tied to ground.",+ "is_pin1": false,+ "source": {+ "geometry": "Diodes_SO-8EP.kicad_mod",+ "meaning": null,+ "correspondence": "derived: sole unmatched pin \"EP\" to sole thermal pad \"9\""+ }+ }+ ]+}