TPS2214A, TPS2216A

LOW-COST DUAL-SLOT PC CARD POWER SWITCH

FOR SERIAL PCMCIA CONTROLLERS

SLVS267 – DECEMBER 1999

23

POST OFFICE BOX 655303

APPLICATION INFORMATION

ESD protections (see Figure 32)

All TPS2214A and TPS2216A 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 xVCC and xVPP outputs

can be exposed to potentially higher discharges from the external environment through the PC Card connector.

Bypassing the outputs with 0.1-

µF capacitors protects the devices from discharges up to 10 kV.

† Maximum recommended output capacitance for xVCC is 220

µF and for xVPP is 10 µF without OC glitch when switches are powered on.

TPS2216A

VCC

BVPP

BVCC

BVCC

BVCC

AVPP

AVCC

AVCC

AVCC

RESET

LATCH

CLOCK

DATA

OC

RESET

VCC

0.1

µF†

0.1

µF†

Vpp1

Vpp2

PC Card

Connector A

VCC

VCC

0.1

µF†

0.1

µF†

Vpp1

Vpp2

PC Card

Connector B

DATA

CLOCK

LATCH

GPI/O

Controller

From PCI or

System RST

12V

3.3V

5V

12V

3.3V

5V

12V

3.3V

3.3V

5V

5V

MODE

STBY

0.1

µF

1

µF

0.1

µF

1

µF

0.1

µF

Figure 32. Detailed Interconnections and Capacitor Recommendations