ISL9237EVAL2Z datasheet(24/40 Pages) RENESAS

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ISL9237

FN8723 Rev.5.00

Page 24 of 40

Nov 29, 2017

OTGVoltage Register

To set the OTG mode output regulation voltage, write a 16-bit

OTGVoltage command (0x49H or 0b01001001) using the

Write-word protocol shown in Figure 24 on page 16 and the data

format as shown in Table 14.

The OTGVoltage register accepts any voltage command, however,

only the valid register bits will be written to the register, and the

maximum value is clamped at 5.376V and the minimum value is

clamped at 4.864V.

Adapter Insertion to

ASGATE Turning On

Debounce

Bit<11> configures the debounce time from adapter insertion to ASGATE turning on.

0 = 1.3s (default)

1 = 150ms

After VDD POR, for the first time adapter is plugged in, the ASGATE turn-on delay is always 150ms, regardless

of the Bit<11> setting. This bit only sets the ASGATE turn-on delay after ASGATE turns off at least one time

when VDD is above the POR value and Bit<11> default is 0 for 1.3s.

<10:9>

Prochot# Debounce

Bit<10:9> configures the Prochot# debounce time before its assertion for ACProchot# and DCProchot#.

00: 10µs (default)

01: 100µs

10: 500µs

11: 1ms

The Low_VSYS_Prochot# has fixed 10µs debounce time.

<8:6>

Prochot# Duration

Bit<8:6> configures the minimum duration of Prochot# signal once asserted.

000 = 10ms (default)

001 = 20ms

010 = 15ms

011 = 5ms

100 = 1ms

101 = 500µs

110 = 100µs

111 = 0s

ASGATE in OTG Mode

Bit<5> turns on or off the ASGATE FET in OTG mode.

0 = Turn ON ASGATE in OTG mode (default)

1 = Turn OFF ASGATE in OTG mode

CMIN Reference

Bit<4> configures the general purpose comparator reference voltage.

0 = 1.2V (default)

1 = 2V

General Purpose

Comparator

Bit<3> enables or disabled the general purpose comparator.

0 = Enable (default)

1 = Disable

CMOUT Polarity

Bit<2> configures the general purpose comparator output polarity once asserted. The comparator reference

voltage is connected at the inverting input node.

0 = CMOUT is high when CMIN is higher than reference (default)

1 = CMOUT is low when CMIN is higher than reference

WOCP Function

Bit<1> enables or disables the WOC (Way Overcurrent) fault protection function.

0 = Enable WOCP (default)

1 = Disable WOCP

PSYS Gain

Bit<0> configures the system power monitor PSYS output gain.

0 = 1.44µA/W (default)

1 = 0.36µA/W

TABLE 13. CONTROL2 REGISTER 0x3DH (Continued)

BIT

BIT NAME

DESCRIPTION

TABLE 14. OTGVOLTAGE REGISTER 0x49H

BIT

DESCRIPTION

<6:0>

Not used

<7>

0 = Add 0mV of OTG voltage

1 = Add 128mV of OTG voltage

<8>

0 = Add 0mV of OTG voltage

1 = Add 256mV of OTG voltage

<9>

0 = Add 0mV of OTG voltage

1 = Add 512mV of OTG voltage

<10>

0 = Add 0mV of OTG voltage

1 = Add 1024mV of OTG voltage

ISL9237EVAL2Z Datasheet(PDF) 24 Page - Renesas Technology Corp

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