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EG2181D
Public Made by Adomby adom
EG Micro Gate Drivers, SOP-8. Pinout cross-checked by two models 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
markdownEG2181D
EG Micro · Gate Drivers · SOP-8
EG2181D from EG Micro, 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 | HIN | input | Logic input for the high-side output HO, active high: HIN=1 turns the high-side MOS on and HIN=0 turns it off, with logic-high threshold of 2.5 V minimum, logic-low threshold of 1.0 V maximum, and an internal 200K pull-down. |
| 2 | LIN | input | Logic input for the low-side output LO; per the truth table LIN=1 turns LO on and LIN=0 turns it off, with logic-high threshold of 2.5 V minimum, logic-low threshold of 1.0 V maximum, and an internal 200K pull-down. |
| 3 | GND | power_in | Chip ground terminal for the logic and low-side driver circuitry. |
| 4 | LO | output | Low-side gate driver output that drives the low-side N-channel MOS, rated for peak source current of 2 A and sink current of 2.5 A (pulse width up to 10 µs). |
| 5 | Vcc | power_in | Chip supply input operating from 10 V to 20 V (absolute maximum -0.3 V to 20 V), to be decoupled with a high-frequency 0.1 µF bypass capacitor. |
| 6 | VS | power_in | High-side floating ground (bootstrap return) referenced to the high-side MOS source; absolute maximum range is VB-20 V to VB+0.3 V. |
| 7 | HO | output | High-side gate driver output referenced to VS that drives the high-side MOS, rated for peak source current of 2 A and sink current of 2.5 A (pulse width up to 10 µs). |
| 8 | VB | power_in | High-side floating bootstrap supply, absolute maximum -0.3 V to 600 V, charged through an external bootstrap diode and capacitor from Vcc. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | EG Micro |
| Package | SOP-8 |
| Category | Motor Driver ICs |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Bootstrap high-side supply VB | VB | -0.3 | 600 | V | 7 | ||
| VCC supply | VCC | -0.3 | 20 | V | 7 | ||
| LIN low-side logic input level | LIN | 6 | V | 7 | |||
| Ambient temperature | TA | -45 | 125 | ℃ | 7 | ||
| Storage temperature | Tstr | -55 | 150 | ℃ | 7 | ||
| Soldering temperature | TL | 300 | ℃ | T=10S | 7 | ||
| Supply voltage VCC | Vcc | 10 | 15 | 20 | V | 8 | |
| Logic input high threshold | Vin(H) | 2.5 | V | 所有输入控制信号 | 8 | ||
| Logic input low threshold | Vin(L) | -0.3 | 0 | 1 | V | 所有输入控制信号 | 8 |
| Logic input high-level current | Iin(H) | 20 | uA | Vin=5V | 8 | ||
| Logic input low-level current | Iin(L) | -20 | uA | Vin=0V | 8 | ||
| VCC turn-on threshold | Vcc(on) | 7.8 | 8.8 | 9.9 | V | 8 | |
| VCC turn-off threshold | Vcc(off) | 7.2 | 8.2 | 9.2 | V | 8 | |
| VB turn-on threshold | VB(on) | 7.6 | 8.6 | 9.6 | V | 8 | |
| VB turn-off threshold | VB(off) | 7.1 | 8.1 | 9.1 | V | 8 | |
| LO turn-on delay | Ton | 290 | 440 | nS | 见图 7-1 | 8 | |
| LO turn-off delay | Toff | 260 | 410 | nS | 见图 7-1 | 8 | |
| LO rise time | Tr | 120 | 200 | nS | 见图 7-1 | 8 | |
| LO fall time | Tf | 80 | 100 | nS | 见图 7-1 | 8 | |
| HO turn-on delay | Ton | 290 | 440 | nS | 见图 7-2 | 8 | |
| HO turn-off delay | Toff | 260 | 410 | nS | 见图 7-2 | 8 | |
| HO rise time | Tr | 120 | 200 | nS | 见图 7-2 | 8 | |
| HO fall time | Tf | 80 | 100 | nS | 见图 7-2 | 8 | |
| Output source current | IO+ | 1.8 | 2 | A | Vo=0V,VIN=VIH PW≤10uS | 8 | |
| Output sink current | IO- | 2 | 2.5 | A | Vo=12V,VIN=VIL PW≤10uS | 8 |
CAD (KiCad official)
- Symbol:
EG2181D - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
eg2181d-etched.step/eg2181d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);eg2181d.step/eg2181d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: EG Micro datasheet (11 pp, sha256
2abb428d78f81715, retrieved 2026-10-18, 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: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).