TCK321G Datasheet, PDF (3/13 Pages) Toshiba Semiconductor – 36 V, Dual Inputs – Single Output Power Multiplexer IC with Over Voltage Protection

Block Diagram
VINA
VINA
VINA
VINB
VINB
VINB
OVLO/
UVLO
OVLO/
UVLO
CNT
VSEL
VOP
TCK321G, TCK322G
Reverse Current Blocking
Q1
Inrush Current
Reducing
Charge
Pump
Control
Logic
Reverse Current Blocking
Q2
Thermal
Shutdown
Q3
Open Drain
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
FLAG
GND
PIN Description
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.
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2015-10-20