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TC426COA

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Microchip Tech Gate Drive ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TC426COA

Microchip Tech · Gate Drive ICs · SOIC-8

TC426COA 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 internal connection.
2 IN A input Control Input A, TTL/CMOS compatible logic input (VIH min 2.4V, VIL max 0.8V); tie unused input to VDD or GND.
3 GND power_in Ground.
4 IN B input Control Input B, TTL/CMOS compatible logic input (VIH min 2.4V, VIL max 0.8V); tie unused input to VDD or GND.
5 OUT B output CMOS totem-pole output (inverting for TC426) with 1.5A peak output current.
6 VDD power_in Supply input, 4.5V to 18V.
7 OUT A output CMOS totem-pole output (inverting for TC426) with 1.5A peak output current.
8 NC unconnected No internal 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
Logic 1, High Input Voltage VIH 2.4 V TA=+25°C, 4.5V≤VDD≤18V 3
Logic 0, 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
High Output Voltage VOH -0.025 V TA=+25°C; printed as VDD, 0.025 (offset from VDD) 3
Low Output Voltage VOL 0.025 V TA=+25°C 3
High Output Resistance ROH 10 15 Ω IOUT = 10 mA, VDD = 18V, TA=+25°C 3
Low Output Resistance ROL 6 10 Ω IOUT = 10 mA, VDD = 18V, TA=+25°C 3
Rise Time tR 30 nsec Figure 3-1, Figure 3-2, TA=+25°C 3
Fall Time tF 30 nsec Figure 3-1, Figure 3-2, TA=+25°C 3
Delay Time tD1 50 nsec Figure 3-1, Figure 3-2, TA=+25°C 3
Delay Time tD2 75 nsec Figure 3-1, Figure 3-2, TA=+25°C 3
Power Supply Current (inputs high) IS 8 mA VIN = 3V (Both Inputs), TA=+25°C 3
Power Supply Current (inputs low) IS 0.4 mA VIN = 0V (Both Inputs), TA=+25°C 3
Logic 1, High Input Voltage (over temp) VIH 2.4 V Over operating temperature range, 4.5V≤VDD≤18V 4
Logic 0, Low Input Voltage (over temp) VIL 0.8 V Over operating temperature range, 4.5V≤VDD≤18V 4
Input Current (over temp) IIN -10 10 µA 0V≤VIN≤VDD, over operating temperature range 4
High Output Voltage (over temp) VOH -0.025 V Over operating temperature range; printed as VDD, 0.025 (offset from VDD) 4
Low Output Voltage (over temp) VOL 0.025 V Over operating temperature range 4
High Output Resistance (over temp) ROH 13 20 Ω IOUT = 10 mA, VDD = 18V, over operating temperature range 4
Low Output Resistance (over temp) ROL 8 15 Ω IOUT = 10 mA, VDD = 18V, over operating temperature range 4
Rise Time (over temp) tR 60 nsec Figure 3-1, Figure 3-2, over operating temperature range 4
Fall Time (over temp) tF 60 nsec Figure 3-1, Figure 3-2, over operating temperature range 4
Delay Time (over temp) tD1 75 nsec Figure 3-1, Figure 3-2, over operating temperature range 4
Delay Time (over temp) tD2 120 nsec Figure 3-1, Figure 3-2, over operating temperature range 4
Power Supply Current, inputs high (over temp) IS 12 mA VIN = 3V (Both Inputs), over operating temperature range 4
Power Supply Current, inputs low (over temp) IS 0.6 mA VIN = 0V (Both Inputs), over operating temperature range 4
Peak Output Current IPK 1.5 A TA=+25°C 3
Supply Voltage (absolute maximum) VDD 20 V 3
Power Dissipation Derating Factor SOIC 4 mW/°C SOIC 3
Operating Temperature Range, C Version TA 0 70 °C C Version 3
Storage Temperature Range Tstg -65 150 °C 3
Operating Supply Voltage VDD 4.5 18 V 1

CAD (KiCad official)

  • Symbol: TC426COA
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: tc426coa-etched.step / tc426coa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tc426coa.step / tc426coa.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (18 pp, sha256 58f1806ac95f3bac, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-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).

Datasheet PDF