The TCK321G by Toshiba is a Dual Inputs - Single Output Power Multiplexer IC. Below is the official datasheet preview.
| Part number | TCK321G |
|---|---|
| Manufacturer | Toshiba |
| File Size | 236.80 KB |
| Description | Dual Inputs - Single Output Power Multiplexer IC |
| Datasheet |
 TCK321G-Toshiba.pdf
|
|
|
PIN Name A1 FLAG Description Open drain acknowledge signal output.A2 VSEL Input selector function.It is internally connected to VOP(Pull up).A3 CNT Mode control function.It is internally connected to GND(Pull down) A4 GND Ground B1,C1,D1 B4,C4,D4 B2,C2,D2 B3,C3,D3 VINA ,VINB VOUT Input.Each has Over Voltage Lock Out (OVLO) and Under Voltage Lock Out function (UVLO).Output.3 2015-10-20 Operation Logic Table VSEL Low VINA Q1 VINB Q2 FLAG Q3 Reverse current block VSEL High
