component
XL7555
Public Made by Adomby adom
XINLUDA Timers / Counters, SOP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownXL7555
XINLUDA · Timers / Counters · SOP-8
XL7555 from XINLUDA, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | GND | power_in | Ground reference; connect to system ground (0V). |
| 2 | TRIGGER | input | Active-low trigger input; sets output HIGH when voltage falls below 1/3 VDD; input current ≤10nA typ, 50nA max at VDD=15V. |
| 3 | OUTPUT | output | CMOS push-pull output swinging rail-to-rail; VOL ≤1.0V at ISINK=20mA (VDD=15V), VOH ≥14.3V at ISOURCE=0.8mA (VDD=15V); absolute maximum output current 100mA. |
| 4 | RESET | input | Active-low reset input; forces output and discharge switch low when pulled below 0.4-1.0V (VDD=2V-15V); input current ≤10nA typ, 50nA max at VDD=15V. |
| 5 | CONTROL_VOLTAGE | input | Analog input that overrides the upper comparator threshold; nominally 67% VDD (62-71% VDD at VDD=15V); may be left open in CMOS applications without decoupling capacitor. |
| 6 | THRESHOLD | input | Upper comparator input; resets output LOW and turns on discharge switch when voltage exceeds 2/3 VDD; input current ≤10nA typ, 50nA max at VDD=15V. |
| 7 | DISCHARGE | output | Open-drain switch to GND for discharging external timing capacitor; leakage ≤10nA typ, 50nA max (VDD=15V); VDIS ≤0.4V at ISINK=15mA (VDD=15V). |
| 8 | VDD | power_in | Positive supply voltage; operating range 2V to 18V; quiescent current 60µA typ (300µA max) at VDD=15V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | XINLUDA |
| Package | SOP-8 |
| Category | Clock/Timing |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
XL7555 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
xl7555-etched.step/xl7555-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);xl7555.step/xl7555.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: XINLUDA datasheet (14 pp, sha256
47dfca0aee906e0c, retrieved 2026-09-29, 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).