6.3

I2C registers

The I2C address used by TCPP02-M18 is 0110 10x, with LSB = ‘x’.

The LSB bit of the I2C address is set when connecting TCPP02-M18 pin I2C_ADD to GND (for LSB = ‘0’) or to

1.8 V or 3.3 V (for LSB = ’1’).

Figure 7. I2C registers

V2

V1

VCONN switch

VC2

VC1

0

0

Open

Open

1

0

Open

Close

0

1

Close

Open

1

1

Open

Open

V1

V2

Gate Driver

Provider

(GDP)

GDP=1:

•

Switch load

closed

GDP=0:

•

Switch load

opened

VBUSD=1:

•

VBUS

discharge ON

VBUSD=0:

•

VBUS

discharge OFF

VBUS

DISCHARGE

(VBUSD)

FLGn

OCP_VCONN

FLGn

OTP

FLGn

OCP_VBUS

VCONN

DISCHARGE

(VCONND)

VCONND=1:

•

VCONN

discharge ON

VCONND=0:

•

VCONN

discharge OFF

VCONN

DISCHARGE

Acknowledge

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

VCONN1

FLGn

OVP_CC

VCONN2

Gate Driver

Provider

VBUS

DISCHARGE

FLGn

VBUS_OK

PM2

Power Mode 2

PM2

PM1

Power

Mode

0

0

Hibernate

1

0

Low power

0

1

Normal

1

1

Not Used

PM1

PM2

I2C address : 0110 10x, x=LSB

Writing register

(address = 0)

Reading register n°2

(address = 2)

Reading register n°1

(address = 1)

Flags are set to '1'

when active

0 => TCPP03

1 => TCPP02

Acknowledge

Acknowledge

Acknowledge

Acknowledge

0 at start-up

else

acknowledge

Acknowledge

Acknowledge

PM1

Power Mode 1

Flags are set to '1'

when active

0

1

Not used

TCPP02-M18

I2C registers

DS13787 - Rev 4

page 11/27