FUSB302MPX. datasheet(15/35 Pages) ONSEMI

15 / 35 page

www.fairchildsemi.com

FUSB302

• Rev. 2

www.onsemi.com

Current Consumption

Symbol

Parameter

VDD (V)

Conditions

TA=-40 to +85°C

TJ=-40 to +125°C

Unit

Min.

Typ.

Max.

Idisable

Disabled Current

3.0 to 5.5

Nothing Attached, No I2C

Transactions

0.37

5.00

µA

Itog

Unattached (standby)

toggle current

3.0 to 5.5

Nothing attached, TOGGLE=1,

PWR[3:0]=1h, WAKE_EN=0,

TOG_SAVE_PWR2:1=01

µA

Ipd_stby_

meas

BMC PD Standby

Current

3.0 to 5.5

Device Attached, BMC PD

Active But Not Sending or

Receiving Anything,

PWR[3:0]=7h,

µA

USB PD Specific Parameters

Symbol

Parameter

TA = -40 to +85°C

TJ=-40 to +125°C

Unit

Min.

Typ.

Max.

tHardReset

If a Soft Reset message fails, a Hard Reset is sent after tHardReset

of CRCReceiveTimer expiring

tHardReset

Complete

If the FUSB302 cannot send a Hard Reset within

tHardResetComplete time because of a busy line, then a

I_HARDFAIL interrupt is triggered

tReceive

This is the value for which the CRCReceiveTimer expires. The

CRCReceiveTimer is started upon the last bit of the EOP of the

transmitted packet

0.9

1.1

tRetry

Once the CRCReceiveTimer expires, a retry packet has to be sent

out within tRetry time. This time is hard to separate externally from

tReceive since they both happen sequentially with no visible

difference in the CC output

µs

tSoftReset

If a GoodCRC packet is not received within tReceive for NRETRIES

then a Soft Reset packet is sent within tSoftReset time.

tTransmit

From receiving a packet, we have to send a GoodCRC in response

within tTransmit time. It is measured from the last bit of the EOP of

the received packet to the first bit sent of the preamble of the

GoodCRC packet

195

µs

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