EG4003C

@@ -0,0 +1,60 @@+# EG4003C++**EG Micro** · Ambient Light Sensors · SOP-8++EG4003C from EG Micro, 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 | 1OUT | output | Output of the internal first-stage op-amp (OP1). Used as the feedback node for the external gain-setting network (R2, R3, C3) driving the inverting input 1IN-. |+| 2 | 1IN- | input | Inverting input of the internal first-stage op-amp (OP1). The PIR/microwave signal is AC-coupled here through C2/R2; overall analog gain A = A1*A2 = (R3/R2)*30 (typical 9000). |+| 3 | VC | input | Trigger-inhibit input. When V(VC) < 0.2*VDD triggering is disabled and OUT is forced low; when V(VC) > 0.2*VDD the trigger path is enabled and OUT follows Vs. Typically driven by a CdS/LDR divider for dusk-only operation. |+| 4 | A | input | Retrigger mode select. A='1' (tied to VDD) enables retriggerable mode (Tx timer restarts on each Vs pulse during Tx). A='0' (tied to GND) selects non-retriggerable mode. VAH=3.5 V min @VDD=5 V; VAL=1 V max @VDD=5 V. |+| 5 | GND | power_in | Device ground reference (0 V). |+| 6 | OUT | output | Active-high control signal output driving the load (relay, transistor, MCU). Drive capability ±25 mA at VDD=5 V and ±10 mA at VDD=3 V; VOH=4.5 V min @ILOAD=10 mA / VDD=5 V. |+| 7 | CT | passive | Oscillator timing node. Connect an external capacitor CT to GND and a pull-up resistor RT (>=100 kΩ) to VDD; Tosc ≈ 0.4·RT·CT·RT/(RT-20k). Example: RT=100 kΩ, CT=1 nF → Tosc≈50 μs (f≈20 kHz). Sets Tx and Ti timer periods. |+| 8 | VDD | power_in | Positive supply input, +3 V to +6 V operating range (7 V absolute max). Quiescent current typ 35 uA @3 V, 65 uA @5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | EG Micro |+| Package | SOP-8 |+| Category | Sensor |+| Pins | 8 |++## Ordering variants++- `EG4003CEG4003A`+- `EG4003CEG4003B`+- `EG4003C`+- `EG4003CEG4003D`+- `EG4003CEG4003E`+- `EG4003CEG4003F`+- `EG4003CEG4003G`+- `EG4003CEG4003A`+- `EG4003CEG4003B`+- `EG4003C`+- `EG4003CEG4003D`+- `EG4003CEG4003E`+- `EG4003CEG4003F`+- `EG4003CEG4003G`++## CAD (KiCad official)++- Symbol: `EG4003C`+- 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:** [EG Micro datasheet](docs/eg4003c-datasheet.pdf) (14 pp, sha256 `b037c27db8b148b3`, 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/eg4003c-datasheet.pdf)

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