
TPS2205
DUALSLOT PC CARD POWERINTERFACE SWITCH
FOR PARALLEL PCMCIA CONTROLLERS
SLVS128E OCTOBER 1995 REVISED JANUARY 2001
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
TPS2205 control logic
AVPP
CONTROL SIGNALS
INTERNAL SWITCH SETTINGS
OUTPUT
D8 SHDN
D0 A_VPP_PGM
D1 A_VPP_VCC
S7
S8
S9
VAVPP
1
0
CLOSED
OPEN
0 V
1
0
1
OPEN
CLOSED
OPEN
VCC
1
0
OPEN
CLOSED
VPP(12 V)
1
OPEN
Hi-Z
0
X
OPEN
Hi-Z
BVPP
CONTROL SIGNALS
INTERNAL SWITCH SETTINGS
OUTPUT
D8 SHDN
D4 B_VPP_PGM
D5 B_VPP_VCC
S10
S11
S12
VBVPP
1
0
CLOSED
OPEN
0 V
1
0
1
OPEN
CLOSED
OPEN
VCC
1
0
OPEN
CLOSED
VPP(12 V)
1
OPEN
Hi-Z
0
X
OPEN
Hi-Z
AVCC
CONTROL SIGNALS
INTERNAL SWITCH SETTINGS
OUTPUT
D8 SHDN
D3 A_VCC3
D2 A_VCC5
S1
S2
S3
VAVCC
1
0
CLOSED
OPEN
0 V
1
0
1
OPEN
CLOSED
OPEN
3.3 V
1
0
OPEN
CLOSED
5 V
1
CLOSED
OPEN
0 V
0
X
OPEN
Hi-Z
BVCC
CONTROL SIGNALS
INTERNAL SWITCH SETTINGS
OUTPUT
D8 SHDN
D6 B_VCC3
D7 B_VCC5
S4
S5
S6
VBVCC
1
0
CLOSED
OPEN
0 V
1
0
1
OPEN
CLOSED
OPEN
3.3 V
1
0
OPEN
CLOSED
5 V
1
CLOSED
OPEN
0 V
0
X
OPEN
Hi-Z
Output depends on AVCC
Output depends on BVCC
ESD protection
All TPS2205 inputs and outputs incorporate ESD-protection circuitry designed to withstand a 2-kV
human-body-model discharge as defined in MIL-STD-883C, Method 3015. The VCC and Vpp outputs can be
exposed to potentially higher discharges from the external environment through the PC Card connector.
Bypassing the outputs with 0.1-
F capacitors protects the devices from discharges up to 10 kV.