HG3232AECM

@@ -0,0 +1,63 @@+# HG3232AECM++**HGSEMI** · RS232 ICs · SOP-16++HG3232AECM from HGSEMI, in a SOP-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 | C1+ | passive | Positive terminal of the voltage-doubler charge-pump capacitor C1. Connect a 0.1µF ceramic capacitor between C1+ and C1-. |+| 2 | V+ | power_out | Positive voltage generated by the internal charge pump (typically +2×VCC). Bypass to GND with a 0.1µF capacitor. |+| 3 | C1- | passive | Negative terminal of the voltage-doubler charge-pump capacitor C1. |+| 4 | C2+ | passive | Positive terminal of the inverting charge-pump capacitor C2. Connect a 0.1µF ceramic capacitor between C2+ and C2-. |+| 5 | C2- | passive | Negative terminal of the inverting charge-pump capacitor C2. |+| 6 | V- | power_out | Negative voltage generated by the internal charge pump (typically −2×VCC). Bypass to GND with a 0.1µF capacitor. |V+ − V-| must not exceed 13V. |+| 7 | DOUT2 | output | RS-232 driver output for channel 2. ±15kV ESD protected; typical VOH ≈ +5.4V, VOL ≈ −5.4V into RL=3kΩ. Short-circuit protected to GND. |+| 8 | RIN2 | input | RS-232 receiver input for channel 2. ±15kV ESD protected; input range ±25V; input impedance 3-7kΩ; thresholds VIT+ ≤ 2.4V, VIT- ≥ 0.6V. |+| 9 | ROUT2 | output | TTL/CMOS receiver output for channel 2. Drives VCC-level logic; VOH ≥ VCC−0.6V at IOH=−1mA, VOL ≤ 0.4V at IOL=1.6mA. High when RIN2 is open. |+| 10 | DIN2 | input | TTL/CMOS driver input for channel 2. VIH ≥ 2.0V (VCC=3.3V) / 2.4V (VCC=5V); VIL ≤ 0.8V. Inverted through the driver to DOUT2. |+| 11 | DIN1 | input | TTL/CMOS driver input for channel 1. VIH ≥ 2.0V (VCC=3.3V) / 2.4V (VCC=5V); VIL ≤ 0.8V. Inverted through the driver to DOUT1. |+| 12 | ROUT1 | output | TTL/CMOS receiver output for channel 1. Drives VCC-level logic; high when RIN1 is open. |+| 13 | RIN1 | input | RS-232 receiver input for channel 1. ±15kV ESD protected; input range ±25V; input impedance 3-7kΩ. |+| 14 | DOUT1 | output | RS-232 driver output for channel 1. ±15kV ESD protected; typical ±5.4V swing into RL=3kΩ. Short-circuit protected to GND. |+| 15 | GND | power_in | Ground reference for the device and RS-232 signals. |+| 16 | VCC | power_in | Supply voltage input, +3.0V to +5.5V. Bypass with a 0.1µF ceramic capacitor close to the pin. Typical ICC ≈ 1mA (no load). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `HG3232AEIM/TR`+- `HG3232AECM/TR`+- `HG3232AEIN`+- `HG3232AECN`+- `HG3232AEIMT/TR`+- `HG3232AECMT/TR`++## CAD (KiCad official)++- Symbol: `HG3232AECM`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI datasheet](docs/hg3232aecm-datasheet.pdf) (12 pp, sha256 `a57add64ef5360dc`, retrieved 2026-08-17, 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:** `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/hg3232aecm-datasheet.pdf)

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