component
L6599AD
Public Made by Adomby adom
STMicroelectronics AC-DC Controllers And Regulators, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# L6599AD++**STMicroelectronics** · AC-DC Controllers And Regulators · SO-16++L6599AD from STMicroelectronics, in a SO-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | Css | input | Soft-start capacitor terminal; external RC network sets maximum frequency and soft-start duration, internally discharged on shutdown or overcurrent. |+| 2 | DELAY | input | Overcurrent delay timing capacitor; charged by 150µA internal generator, IC shuts down at 3.5V and soft-restarts below 0.3V. |+| 3 | CF | output | Oscillator timing capacitor; charged and discharged by internal current generators to set switching frequency. |+| 4 | RFmin | output | Frequency setting reference; provides 2V precision reference for external RC frequency-setting network and optocoupler feedback control. |+| 5 | STBY | input | Burst mode threshold input; IC enters idle state if voltage below 1.24V reference and restarts when voltage exceeds 1.29V threshold. |+| 6 | ISEN | input | Primary current sense input; filtered average current signal compared to 0.8V threshold (50mV hysteresis) for frequency shift and 1.5V for latched shutdown. |+| 7 | LINE | input | Line sensing input for brownout protection; IC shuts down at voltage below 1.24V with 13µA hysteresis and at voltage above 6V internal Zener. |+| 8 | DIS | input | Latched device shutdown input; voltage above 1.85V latches IC off and discharges soft-start, requiring VCC power cycle below UVLO to restart. |+| 9 | PFC_STOP | tri_state | Open-drain PFC controller stop output; pulled low when DIS latches, ISEN latches, LINE exceeds 6V, STBY below 1.24V, or DELAY exceeds 2V. |+| 10 | GND | power_in | Chip ground and current return for both low-side gate driver and IC bias circuits; must be separate from pulsed current returns. |+| 11 | LVG | output | Low-side gate-drive output with 0.3A minimum source and 0.8A minimum sink peak current capability, actively pulled to GND during UVLO. |+| 12 | Vcc | power_in | IC supply voltage for signal circuits and low-side gate driver; 0.1µF bypass capacitor to GND recommended. |+| 13 | N.C. | unconnected | High-voltage spacer pin not internally connected to isolate high-voltage pins and ensure compliance with PCB creepage distance safety requirements. |+| 14 | OUT | power_in | High-side gate-drive floating ground reference; current return for high-side gate driver, layout carefully to minimize voltage spikes. |+| 15 | HVG | output | High-side floating gate-drive output with 0.3A minimum source and 0.8A minimum sink peak current, internally resistively pulled to OUT during UVLO. |+| 16 | VBOOT | power_in | High-side gate-drive floating supply voltage; bootstrap capacitor connection between VBOOT and OUT, fed by internal synchronous bootstrap diode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SO-16 |+| Category | Power Management (PMIC) |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `L6599AD`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SO-16 (KiCad packages3D, STEP)+- 3D model files: `l6599ad-etched.step` / `l6599ad-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l6599ad.step` / `l6599ad.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590456535609606144) (37 pp, sha256 `94697ab5d2699acc`, retrieved 2026-10-05, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/l6599ad-datasheet.pdf)
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external RC network sets maximum frequency and soft-start duration, internally discharged on shutdown or overcurrent."+ },+ {+ "number": "2",+ "name": "DELAY",+ "type": "input",+ "description": "Overcurrent delay timing capacitor; charged by 150µA internal generator, IC shuts down at 3.5V and soft-restarts below 0.3V."+ },+ {+ "number": "3",+ "name": "CF",+ "type": "output",+ "description": "Oscillator timing capacitor; charged and discharged by internal current generators to set switching frequency."+ },+ {+ "number": "4",+ "name": "RFmin",+ "type": "output",+ "description": "Frequency setting reference; provides 2V precision reference for external RC frequency-setting network and optocoupler feedback control."+ },+ {+ "number": "5",+ "name": "STBY",+ "type": "input",+ "description": "Burst mode threshold input; IC enters idle state if voltage below 1.24V reference and restarts when voltage exceeds 1.29V threshold."+ },+ {+ "number": "6",+ "name": "ISEN",+ "type": "input",+ "description": "Primary current sense input; filtered average current signal compared to 0.8V threshold (50mV hysteresis) for frequency shift and 1.5V for latched shutdown."+ },+ {+ "number": "7",+ "name": "LINE",+ "type": "input",+ "description": "Line sensing input for brownout protection; IC shuts down at voltage below 1.24V with 13µA hysteresis and at voltage above 6V internal Zener."+ },+ {+ "number": "8",+ "name": "DIS",+ "type": "input",+ "description": "Latched device shutdown input; voltage above 1.85V latches IC off and discharges soft-start, requiring VCC power cycle below UVLO to restart."+ },+ {+ "number": "9",+ "name": "PFC_STOP",+ "type": "tri_state",+ "description": "Open-drain PFC controller stop output; pulled low when DIS latches, ISEN latches, LINE exceeds 6V, STBY below 1.24V, or DELAY exceeds 2V."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Chip ground and current return for both low-side gate driver and IC bias circuits; must be separate from pulsed current returns."+ },+ {+ "number": "11",+ "name": "LVG",+ "type": "output",+ "description": "Low-side gate-drive output with 0.3A minimum source and 0.8A minimum sink peak current capability, actively pulled to GND during UVLO."+ },+ {+ "number": "12",+ "name": "Vcc",+ "type": "power_in",+ "description": "IC supply voltage for signal circuits and low-side gate driver; 0.1µF bypass capacitor to GND recommended."+ },+ {+ "number": "13",+ "name": "N.C.",+ "type": "unconnected",+ "description": "High-voltage spacer pin not internally connected to isolate high-voltage pins and ensure compliance with PCB creepage distance safety requirements."+ },+ {+ "number": "14",+ "name": "OUT",+ "type": "power_in",+ "description": "High-side gate-drive floating ground reference; current return for high-side gate driver, layout carefully to minimize voltage spikes."+ },+ {+ "number": "15",+ "name": "HVG",+ "type": "output",+ "description": "High-side floating gate-drive output with 0.3A minimum source and 0.8A minimum sink peak current, internally resistively pulled to OUT during UVLO."+ },+ {+ "number": "16",+ "name": "VBOOT",+ "type": "power_in",+ "description": "High-side gate-drive floating supply voltage; bootstrap capacitor connection between VBOOT and OUT, fed by internal synchronous bootstrap diode."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 13,+ "cost_usd": 0.1501,+ "at": "2026-10-05T20:32:36"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590456535609606144",+ "pages": 37,+ "sha256": "94697ab5d2699acc",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}