DA9232 datasheet(36/51 Pages) RENESAS

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DA9232

High Efficiency, Ultra-Low Quiescent Current and Ultra-

Low Output Ripple Buck Regulator

NDA Confidential

Datasheet

CFR0011-120-00 Rev 5

36 of 50

Field Name

Bits

Type

POR

Description

VIN_UV_EVENT

[6]

evnt

0x0

Under Voltage on VDD event flag. When Under Voltage (UVLO) condition is detected, this bit is set

to 1. When I2C writes '1' to this bit, the event flag is cleared.

OC_BUCK_EVENT

[4]

evnt

0x0

Over Current on BUCK OUT event flag. When the buck Over Current condition is detected (when

BUCK_EN==1 && M_OC_BUCK==0), this bit is set to 1. When I2C writes '1' to this bit, the event flag

is cleared.

OV_BUCK_EVENT

[3]

evnt

0x0

Over Voltage on BUCK OUT event flag. When the buck Over Voltage condition is detected (when

BUCK_EN==1 && M_OV_BUCK==0), this bit is set to 1. When I2C writes '1' to this bit, the event flag

is cleared.

UV_BUCK_EVENT

[2]

evnt

0x0

Under voltage on BUCK OUT event flag. When the under voltage condition (i.e. short circuit) is

detected on the buck (when BUCK_EN==1 && M_UV_BUCK==0), this bit is set to 1. When I2C

writes '1' to this bit, this event flag is cleared.

Table 16: Register STATUS

Address

POR Value

Status

0x0002

STATUS

0x00

Reserved

VIN_UV_STAT

Reserved

OC_BUCK_STAT

OV_BUCK_STAT

UV_BUCK_STAT

Reserved

BUCK_EN_STAT

Field Name

Bits

Type

POR

Description

VIN_UV_STAT

[6]

virtual

0x0

Indicate present VIN under-voltage status.

OC_BUCK_STAT

[4]

virtual

0x0

Indicate present BUCK VOUT over current status.

OV_BUCK_STAT

[3]

virtual

0x0

Indicate present BUCK VOUT over voltage status.

Revision 2.

8-Feb-2022

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