

Overview
The TC4431EOA is a gate Drive IC made by Microchip Technology in a SOIC-8 package with 8 pins. 0℃~+70℃ 1.5A 25ns 33ns 3A 4.5V~30V High Side MOSFET Under Voltage Protection SOIC-8 Gate Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TC4431EOA, from EasyEDA) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 12 are in stock at JLCPCB (part C2909520). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
12- Current - Output High(IOH)
- 3A
- Current - Output Low(IOL)
- 1.5A
- Driven Configuration
- High Side
- Fall Time
- 33ns
- Features
- Enable shutdown
- Input Logic Level - High
- 2.4V
- Input Logic Level - Low
- 800mV
- Load Type
- MOSFET
- Operating Temperature
- 0℃~+70℃
- Quiescent Current(Iq)
- 300uA
- Rise Time
- 25ns
- Voltage - Supply
- 4.5V~30V
Order codes
1- TC4431EOALCSC C2909520
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | VDD | Unspecified |
| 2 | IN | Unspecified |
| 3 | LOCK_DIS# | Unspecified |
| 4 | GND | Unspecified |
| 5 | GND | Unspecified |
| 6 | OUT# | Unspecified |
| 7 | OUT# | Unspecified |
| 8 | VDD | Unspecified |
Open-source boards using it
All 1- 4 layers150 × 50 mm

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Is there a KiCad symbol and footprint for the TC4431EOA?
Yes. The symbol is EasyEDA_Cloud:TC4431EOA and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the TC4431EOA?
SOIC-8, with 8 pins. Its footprint is drawn on this page.
Where is the TC4431EOA datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the TC4431EOA?
JLCPCB lists it as part C2909520, with 12 in stock; the sellers' links on this page open their listings.
What can replace the TC4431EOA?
Parts like it in the library: the 3520DESA/T by VP, the 2EDN7534FXTMA1 by Infineon Technologies, the IR2184SPBF by Infineon Technologies and the IRS2005SPBF by Infineon Technologies. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the TC4431EOA?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
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