HGA1050M

@@ -0,0 +1,48 @@+# HGA1050M++**HGSEMI** · CAN Controllers · SOIC-8++HGA1050M from HGSEMI, in a SOIC-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 | TXD | input | Transmit data input from the CAN controller. Logic low drives the bus dominant; logic high leaves it recessive. Internally pulled up to VCC so the pin defaults to recessive when unused. Input levels compatible with 3.3 V and 5 V logic (VIH >= 2 V, VIL <= 0.8 V). |+| 2 | GND | power_in | Device ground reference. Connect to the system 0 V rail. |+| 3 | VCC | power_in | Supply voltage input. Operating range 4.75 V to 5.25 V (absolute max -0.3 V to 6 V). Decouple locally with a bypass capacitor to GND. |+| 4 | RXD | output | Receive data output to the CAN controller. Reports the differential bus state: low when bus is dominant, high when bus is recessive. In standby mode this pin indicates a detected wake-up request when low. |+| 5 | SPLIT | output | Common-mode stabilization output. Active only in normal mode, delivering a 0.5 x VCC reference (typ.) used to bias the center tap of a split termination network for improved EMC. Floats (high impedance) in standby mode. Withstands -27 V to +40 V DC on the pin. |+| 6 | CANL | bidirectional | Low-side CAN bus line. Driven to ~1.4 V typical in the dominant state and biased toward 0.5 x VCC when recessive. Withstands -27 V to +40 V DC and ISO 7637 transients up to +/-200 V; +/-6 kV HBM ESD protection. |+| 7 | CANH | bidirectional | High-side CAN bus line. Driven to ~3.6 V typical in the dominant state and biased toward 0.5 x VCC when recessive. Withstands -27 V to +40 V DC and ISO 7637 transients up to +/-200 V; +/-6 kV HBM ESD protection. |+| 8 | STB | input | Standby mode control input. Low = normal mode (transmitter and receiver active); High = standby mode (transmitter disabled, low-power differential receiver monitors the bus for wake-up). Internally pulled up to VCC so the device defaults to standby when unused. Compatible with 3.3 V and 5 V logic. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOIC-8 |+| Category | Interface |+| Pins | 8 |++## Ordering variants++- `HGA1050M/TR`+- `HGA1050MM/TR`++## CAD (KiCad official)++- Symbol: `HGA1050M`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/hga1050m-datasheet.pdf) (11 pp, sha256 `97adb8c432a42d54`, 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/hga1050m-datasheet.pdf)

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