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TC4426EOA
Public Made by Adomby adom
Microchip Tech Gate Drive ICs, SOIC-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
markdownTC4426EOA
Microchip Tech · Gate Drive ICs · SOIC-8
TC4426EOA from Microchip Tech, in a SOIC-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 | NC | unconnected | No connection. |
| 2 | IN A | input | Input A is a high-impedance TTL/CMOS-compatible input with 300 mV hysteresis between the high and low thresholds (VIH min 2.4 V, VIL max 0.8 V), and it can withstand negative inputs down to GND - 5 V. |
| 3 | GND | power_in | Ground return pin, which should be connected to the return of the bias supply through a low-impedance path because high peak currents flow out of it when capacitive loads discharge. |
| 4 | IN B | input | Input B is a high-impedance TTL/CMOS-compatible input with 300 mV hysteresis between the high and low thresholds (VIH min 2.4 V, VIL max 0.8 V), and it can withstand negative inputs down to GND - 5 V. |
| 5 | OUT B | output | Output B is a low-impedance CMOS push-pull output with equal pull-up and pull-down strength, 1.5 A peak current and about 7 Ω typical output resistance. |
| 6 | VDD | power_in | Supply input rated 4.5 V to 18 V relative to GND (absolute maximum +22 V), to be bypassed with a ceramic capacitor close to the pin (1.0 µF recommended). |
| 7 | OUT A | output | Output A is a low-impedance CMOS push-pull output with equal pull-up and pull-down strength, 1.5 A peak current and about 7 Ω typical output resistance. |
| 8 | NC | unconnected | No connection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOIC-8 |
| Category | Power Management 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 |
|---|---|---|---|---|---|---|---|
| High input voltage | VIH | 2.4 | V | TA=+25°C, 4.5V≤VDD≤18V | 3 | ||
| Low input voltage | VIL | 0.8 | V | TA=+25°C, 4.5V≤VDD≤18V | 3 | ||
| Input current | IIN | -1 | 1 | µA | 0V≤VIN≤VDD, TA=+25°C | 3 | |
| Low output voltage | VOL | 0.025 | V | DC test, TA=+25°C | 3 | ||
| Output resistance | RO | 7 | 10 | Ω | IOUT=10 mA, VDD=18V, TA=+25°C | 3 | |
| Peak output current | IPK | 1.5 | A | VDD=18V, TA=+25°C | 3 | ||
| Rise time | tR | 19 | 30 | ns | Figure 4-1, TA=+25°C | 3 | |
| Fall time | tF | 19 | 30 | ns | Figure 4-1, TA=+25°C | 3 | |
| Delay time | tD1 | 20 | 30 | ns | Figure 4-1, TA=+25°C | 3 | |
| Delay time | tD2 | 40 | 50 | ns | Figure 4-1, TA=+25°C | 3 | |
| Power supply current | IS | 4.5 | mA | VIN=3V (both inputs), TA=+25°C | 3 | ||
| Power supply current | IS | 0.4 | mA | VIN=0V (both inputs), TA=+25°C | 3 | ||
| High input voltage (over temp) | VIH | 2.4 | V | Over operating temp range, 4.5V≤VDD≤18V | 4 | ||
| Low input voltage (over temp) | VIL | 0.8 | V | Over operating temp range, 4.5V≤VDD≤18V | 4 | ||
| Input current (over temp) | IIN | -10 | 10 | µA | 0V≤VIN≤VDD, over operating temp range | 4 | |
| Low output voltage (over temp) | VOL | 0.025 | V | DC test, over operating temp range | 4 | ||
| Output resistance (over temp) | RO | 9 | 12 | Ω | IOUT=10 mA, VDD=18V, over operating temp range | 4 | |
| Peak output current (over temp) | IPK | 1.5 | A | VDD=18V, over operating temp range | 4 | ||
| Rise time (over temp) | tR | 40 | ns | Figure 4-1, over operating temp range | 4 | ||
| Fall time (over temp) | tF | 40 | ns | Figure 4-1, over operating temp range | 4 | ||
| Delay time (over temp) | tD1 | 40 | ns | Figure 4-1, over operating temp range | 4 | ||
| Delay time (over temp) | tD2 | 60 | ns | Figure 4-1, over operating temp range | 4 | ||
| Power supply current (over temp) | IS | 8 | mA | VIN=3V (both inputs), over operating temp range | 4 | ||
| Power supply current (over temp) | IS | 0.6 | mA | VIN=0V (both inputs), over operating temp range | 4 | ||
| Specified temperature range (E) | TA | -40 | 85 | °C | 4.5V≤VDD≤18V | 4 | |
| Maximum junction temperature | TJ | 150 | °C | 4 | |||
| Storage temperature range | TA | -65 | 150 | °C | 4 | ||
| Supply voltage range | VDD | 4.5 | 18 | V | 4 | ||
| Thermal resistance, 8-pin SOIC | θJA | 155 | °C/W | 4 | |||
| Supply voltage | 22 | V | 3 | ||||
| Storage temperature range | -65 | 150 | °C | 3 | |||
| Maximum junction temperature | 150 | °C | 3 |
CAD (KiCad official)
- Symbol:
TC4426EOA - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
tc4426eoa-etched.step/tc4426eoa-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tc4426eoa.step/tc4426eoa.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (20 pp, sha256
bb7d299c6489f385, retrieved 2026-10-23, tier: manufacturer) - 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-sonnet-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).