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CC6920BSO-20A
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Cross chip Current Sensors, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+55@@ -0,0 +1,55 @@+# CC6920BSO-20A++**Cross chip** · Current Sensors · SOP-8++CC6920BSO-20A from Cross chip, in a SOP-8. 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 | IP+ | passive | Current sampled positive terminal. One of the two tied primary-conductor input pads (pins 1-2). Input current flows in from IP+ (pins 1,2) to IP- (pins 3,4). Rated 40 A continuous / 100 A peak (3 s); primary conductor resistance ~0.9 mΩ. |+| 2 | IP+ | passive | Current sampled positive terminal (paralleled with pin 1). Second pad of the isolated primary current input. |+| 3 | IP- | passive | Current sampled negative terminal. One of the two tied primary-conductor return pads (pins 3-4). 3500 VRMS isolation between primary (IP+/IP-) and secondary (signal) sides. |+| 4 | IP- | passive | Current sampled negative terminal (paralleled with pin 3). Second pad of the isolated primary current return. |+| 5 | GND | power_in | Signal ground for the secondary (Hall sensor and output amplifier) side. Reference for VCC, VOUT and VZCR. |+| 6 | VZCR | output | Zero-current reference signal output, nominally VCC/2 (≈1.65 V at VCC=3.3 V). Can be used as a mid-supply reference for downstream amplifiers or ADCs. Source current ≤400 µA, sink current ≤3000 µA. |+| 7 | OUT | output | Analog voltage output proportional to sensed primary current: VOUT = VCC/2 + 0.066 × IP(A) for the -20A variant (66 mV/A). Linear output range 0.2-4.8 V at VCC=3.3 V; drives up to 6 mA source / 30 mA sink into ≥1.5 kΩ load. |+| 8 | VCC | power_in | Secondary-side power supply, 3.0-3.6 V (3.3 V nominal). Typical supply current 20 mA (25 mA max) with OUT unloaded. Absolute maximum 7 V. Bypass with 0.1 µF to GND close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Cross chip |+| Package | SOP-8 |+| Category | Sensor |+| Pins | 8 |++## Ordering variants++- `CC6920BSO-20A`+- `CC6920BSO-20ABSO-2.5A`+- `CC6920BSO-20ABSO-5A`+- `CC6920BSO-20ABSO-10A`+- `CC6920BSO-20ABSO-25A`+- `CC6920BSO-20ABSO-30A`+- `CC6920BSO-20ABSO-40A`+- `CC6920BSO-20ABSO-50A`+- `CC6920BSO-20ASO-XXA`++## CAD (KiCad official)++- Symbol: `CC6920BSO-20A`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Cross chip datasheet](docs/cc6920bso-20a-datasheet.pdf) (23 pp, sha256 `bf0f27c31807521e`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/cc6920bso-20a-datasheet.pdf)
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