component
TL2844BDR-8
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+134−8@@ -1,13 +1,144 @@ {+ "schema_version": 1,+ "type": "component", "slug": "tl2844bdr-8",+ "title": "TL2844BDR-8",+ "brief": "Texas Instruments DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Texas Instruments DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "tl2844bdr-8" ],+ "component": {+ "mpn": "TL2844BDR-8",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "PMIC",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://www.ti.com/lit/ds/symlink/tl2844bdr-8.pdf",+ "parts": {+ "symbol": "tl2844bdr-8.kicad_sym",+ "footprint": "tl2844bdr-8.kicad_mod",+ "model_3d": "tl2844bdr-8.glb",+ "model_3d_step": "tl2844bdr-8.step",+ "lbr": "tl2844bdr-8.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "COMP",+ "type": "output",+ "description": "Error-amplifier output / compensation node. Loop compensation network is tied between COMP and VFB. Internally drives the current-sense comparator through a two-diode drop and 2R/R divider (approximately (V_COMP - 1.4 V)/3)."+ },+ {+ "number": "2",+ "name": "VFB",+ "type": "input",+ "description": "Inverting input of the internal error amplifier. Compared against the internal 2.5 V reference; typical feedback input voltage is 2.5 V with input bias current of -0.3 uA (max -1 uA on TL284xB)."+ },+ {+ "number": "3",+ "name": "ISENSE",+ "type": "input",+ "description": "Current-sense input to the PWM current-sense comparator. Comparator trip threshold is nominally 1 V at COMP = 5 V. Delay from ISENSE to OUTPUT is 150 ns (typ). Input voltage range 0 to 5.5 V."+ },+ {+ "number": "4",+ "name": "RT/CT",+ "type": "passive",+ "description": "Oscillator timing pin. An external resistor to VREF and capacitor to GND set the oscillator frequency (up to 500 kHz). Trimmed discharge current 8.3 mA (typ) at RT/CT = 2 V. Operating range 0 to 5.5 V."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground and reference for all voltages. In the 8-pin package this pin also serves as the return for the totem-pole output stage."+ },+ {+ "number": "6",+ "name": "OUTPUT",+ "type": "output",+ "description": "High-current totem-pole gate-drive output for N-channel power MOSFETs. Sources/sinks up to ~200 mA average, with rise/fall time 50 ns (typ) into 1 nF. High-level output 13.5 V typ at IOH = -20 mA; low-level 0.1 V typ at IOL = 20 mA. Held low by UVLO (V_OL = 0.7 V typ at V_CC = 5 V, sinking 10 mA)."+ },+ {+ "number": "7",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply input for both logic and the output stage in the 8-pin package. TL2844B UVLO turn-on 16 V (typ), turn-off 10 V (typ). Start-up current <0.5 mA; operating supply current 11 mA (typ, 17 mA max). Absolute maximum 30 V."+ },+ {+ "number": "8",+ "name": "VREF",+ "type": "power_out",+ "description": "Internally trimmed 5 V reference output. 5 V typ (4.95-5.05 V for TL2844B), capable of sourcing up to 20 mA of external load. Short-circuit current -100 mA (typ). Commonly used to bias the RT/CT network."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/tl2844bdr-8.pdf",+ "pages": 26,+ "sha256": "804a10c86a6d4bdb",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Texas Instruments",+ "Package": "SOIC-8",+ "Category": "PMIC",+ "Pins": "8"+ }+ },+ "variants": [+ {+ "mpn": "TL2844BDR-8D-8",+ "kind": "packaging"+ },+ {+ "mpn": "TL2844BDR-8",+ "kind": "packaging"+ },+ {+ "mpn": "TL2844BDR-8P",+ "kind": "packaging"+ },+ {+ "mpn": "TL2844BDR-8D",+ "kind": "packaging"+ }+ ],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "tl2844bdr-8"+ ],+ "discovery_pitch": "TL2844BDR-8 (Texas Instruments) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +156,5 @@ "docs/tl2844bdr-8-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }