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CSE7761-SSOP16
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CHIPSEA Energy Metering, SSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# CSE7761-SSOP16++**CHIPSEA** · Energy Metering · SSOP-16++CSE7761-SSOP16 from CHIPSEA, in a SSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VDD | power_in | Power supply input for 4.5V to 5.5V or 3.0V to 3.6V with internal brown-out detection at 2.9V power-on and 2.7V power-off thresholds. |+| 2 | V1P | input | Current channel A positive input of differential pair with 12MΩ equivalent input impedance and ±700mV differential range (PGA=1) for power and RMS measurements. |+| 3 | V1N | input | Current channel A negative input of differential pair paired with V1P for active power calculation and waveform sampling. |+| 4 | V2P | input | Current channel B positive input in differential configuration with selectable PGA gain 1/2/4/8/16 for power measurement or internal temperature sensor input. |+| 5 | V2N | input | Current channel B negative input of differential pair paired with V2P for dual-channel energy calculation and reactive power measurement. |+| 6 | V3P | input | Voltage channel positive input in differential configuration with ±700mV range at PGA=1 and 12MΩ input impedance for voltage RMS and frequency measurement. |+| 7 | GND | power_in | Chip ground and analog signal reference for all analog and digital circuits. |+| 8 | VREF | power_out | Internal 1.25V reference voltage output with ±1% accuracy and 5-15ppm/°C temperature coefficient over -40°C to +85°C operating range. |+| 9 | SDO/TX | output | SPI serial data output when SPIEN=1 and SCSN=0, UART TX output when SPIEN=0, or high-impedance when SCSN=1 with optional open-drain output mode via register. |+| 10 | SDI/RX | input | SPI serial data input when SPIEN=1 (up to 890kHz clock) or UART RX input when SPIEN=0 supporting 9600baud or 4800baud configuration. |+| 11 | SCLK | input | SPI serial clock input up to 890kHz when SPIEN=1, or UART baud rate selector (high=9600Hz, low=4800Hz) when SPIEN=0. |+| 12 | SCSN | input | SPI chip select input (active low to enable SPI) when SPIEN=1, or UART baud rate control signal when SPIEN=0. |+| 13 | SPIEN | input | Interface mode selector - set high for SPI mode (up to 890kHz) or low for UART mode (4800/9600 baud). |+| 14 | CLKI | input | External 3.579MHz oscillator input pin for crystal clock detection when sine wave signal applied, or internal oscillator mode when tied low. |+| 15 | CLKO/PULSE1 | output | External oscillator output when external clock applied to CLKI, or selectable digital function output for energy pulses (PFA/PFB), interrupts, and status signals via register. |+| 16 | PULSE2 | output | Programmable digital output pin for energy pulse signals, interrupt flags, or detection status outputs configurable via Pulse1Sel register (0x1DH). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | CHIPSEA |+| Package | SSOP-16 |+| Category | Data Acquisition |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `CSE7761-SSOP16`+- Footprint: `Package_SO:SSOP-16_5.3x6.2mm_P0.65mm`+- 3D model: SSOP-16 (KiCad packages3D, STEP)+- 3D model files: `cse7761-ssop16-etched.step` / `cse7761-ssop16-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cse7761-ssop16.step` / `cse7761-ssop16.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [CHIPSEA datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906302778724352) (51 pp, sha256 `34fe9858ff9bf92b`, retrieved 2026-09-22, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cse7761-ssop16-datasheet.pdf)
page.jsonadded+192@@ -0,0 +1,192 @@+{+ "slug": "cse7761-ssop16",+ "version": "0.1.0",+ "type": "component",+ "description": "CHIPSEA Energy Metering, SSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "data acquisition",+ "cse7761-ssop16",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cse7761-ssop16.kicad_sym",+ "cse7761-ssop16.kicad_mod",+ "cse7761-ssop16.glb",+ "cse7761-ssop16.step",+ "cse7761-ssop16.lbr",+ "docs/hero.png",+ "docs/cse7761-ssop16-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "CSE7761-SSOP16",+ "manufacturer": "CHIPSEA",+ "package": "SSOP-16",+ "pin_count": 16,+ "category": "Data Acquisition",+ "subcategory": "Energy Metering",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906302778724352",+ "parts": {+ "symbol": "cse7761-ssop16.kicad_sym",+ "footprint": "cse7761-ssop16.kicad_mod",+ "model_3d": "cse7761-ssop16-etched.glb",+ "model_3d_plain": "cse7761-ssop16.glb",+ "model_3d_step": "cse7761-ssop16-etched.step",+ "model_3d_step_plain": "cse7761-ssop16.step",+ "lbr": "cse7761-ssop16.lbr"+ },+ "distributor_links": {+ "lcsc": "C19193569"+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input for 4.5V to 5.5V or 3.0V to 3.6V with internal brown-out detection at 2.9V power-on and 2.7V power-off thresholds."+ },+ {+ "number": "2",+ "name": "V1P",+ "type": "input",+ "description": "Current channel A positive input of differential pair with 12MΩ equivalent input impedance and ±700mV differential range (PGA=1) for power and RMS measurements."+ },+ {+ "number": "3",+ "name": "V1N",+ "type": "input",+ "description": "Current channel A negative input of differential pair paired with V1P for active power calculation and waveform sampling."+ },+ {+ "number": "4",+ "name": "V2P",+ "type": "input",+ "description": "Current channel B positive input in differential configuration with selectable PGA gain 1/2/4/8/16 for power measurement or internal temperature sensor input."+ },+ {+ "number": "5",+ "name": "V2N",+ "type": "input",+ "description": "Current channel B negative input of differential pair paired with V2P for dual-channel energy calculation and reactive power measurement."+ },+ {+ "number": "6",+ "name": "V3P",+ "type": "input",+ "description": "Voltage channel positive input in differential configuration with ±700mV range at PGA=1 and 12MΩ input impedance for voltage RMS and frequency measurement."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Chip ground and analog signal reference for all analog and digital circuits."+ },+ {+ "number": "8",+ "name": "VREF",+ "type": "power_out",+ "description": "Internal 1.25V reference voltage output with ±1% accuracy and 5-15ppm/°C temperature coefficient over -40°C to +85°C operating range."+ },+ {+ "number": "9",+ "name": "SDO/TX",+ "type": "output",+ "description": "SPI serial data output when SPIEN=1 and SCSN=0, UART TX output when SPIEN=0, or high-impedance when SCSN=1 with optional open-drain output mode via register."+ },+ {+ "number": "10",+ "name": "SDI/RX",+ "type": "input",+ "description": "SPI serial data input when SPIEN=1 (up to 890kHz clock) or UART RX input when SPIEN=0 supporting 9600baud or 4800baud configuration."+ },+ {+ "number": "11",+ "name": "SCLK",+ "type": "input",+ "description": "SPI serial clock input up to 890kHz when SPIEN=1, or UART baud rate selector (high=9600Hz, low=4800Hz) when SPIEN=0."+ },+ {+ "number": "12",+ "name": "SCSN",+ "type": "input",+ "description": "SPI chip select input (active low to enable SPI) when SPIEN=1, or UART baud rate control signal when SPIEN=0."+ },+ {+ "number": "13",+ "name": "SPIEN",+ "type": "input",+ "description": "Interface mode selector - set high for SPI mode (up to 890kHz) or low for UART mode (4800/9600 baud)."+ },+ {+ "number": "14",+ "name": "CLKI",+ "type": "input",+ "description": "External 3.579MHz oscillator input pin for crystal clock detection when sine wave signal applied, or internal oscillator mode when tied low."+ },+ {+ "number": "15",+ "name": "CLKO/PULSE1",+ "type": "output",+ "description": "External oscillator output when external clock applied to CLKI, or selectable digital function output for energy pulses (PFA/PFB), interrupts, and status signals via register."+ },+ {+ "number": "16",+ "name": "PULSE2",+ "type": "output",+ "description": "Programmable digital output pin for energy pulse signals, interrupt flags, or detection status outputs configurable via Pulse1Sel register (0x1DH)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Voltage channel appears to use full differential input but only V3P pin is exposed; V3N likely inter; CLKO/PULSE1 (pin 15) marked as input in table header but described as output in functional descripti",+ "5/16 pins cited to the wrong page (name found elsewhere): ['10:SDI/RX@p7', '11:SCLK@p7', '12:SCSN@p7', '14:CLKI@p7']"+ ],+ "pages_sent": 51,+ "cost_usd": 0.5184,+ "at": "2026-09-22T12:06:12"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906302778724352",+ "pages": 51,+ "sha256": "34fe9858ff9bf92b",+ "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]"+ }+}