USB5816CSLASHKD datasheet(37/65 Pages) MICROCHIP

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USB5816C

DS00003186B-page 36

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2019 - 2021 Microchip Technology Inc.

TABLE 8-2:

OVERCURRENT MINIMUM PULSE WIDTH REGISTER

OCS_MIN_WIDTH

(30EAh)

Overcurrent Detection Pulse Window

BIT

Name

R/W

Description

7:4

Reserved

3:0

OCS_MIN_WIDTH

R/W

The minimum overcurrent detection pulse width (tocs_single) is config-

ured in this register.

The range can be configured in 1ms increments from 0ms to 5ms.

0000 - 0ms minimum overcurrent detection pulse width

0001 - 1ms minimum overcurrent detection pulse width

0010 - 2ms minimum overcurrent detection pulse width

0011 - 3ms minimum overcurrent detection pulse width

0100 - 4ms minimum overcurrent detection pulse width

0101 - 5ms minimum overcurrent detection pulse width [Default]

TABLE 8-3:

OVERCURRENT INACTIVE TIMER REGISTER

OCS_INACTIVE_TIMER

(30EBh)

Overcurrent Inactive Timer After First Overcurrent Detection

BIT

Name

R/W

Description

7:0

OCS_INACTIVE_TIMER

R/W

This register configures the timer within which a double low pulse trig-

gers an overcurrent detection event (tocs_double).

The timer can be incremented in 1ms steps. The default value is

20ms (14h).

Note:

This register should never be set to 00h.

TABLE 8-4:

OVERCURRENT LOCKOUT TIMER REGISTER

START_LOCKOUT_TIMER_REG

(30E1h)

Start Lockout Timer Register

BIT

Name

R/W

Description

7:0

START_LOCKOUT_TIMER_REG

R/W

The “start lockout timer” blocks an overcurrent event from

being detected immediately after port power is turned on.

Any overcurrent event within this timer value is ignored.

The timer can be incremented in 1ms steps. The default

value is 10ms (0Ah).

Note:

This register should never be set to 00h.

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