LP8754 datasheet(36/52 Pages) TI2

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LP8754

SNVS861A – FEBRUARY 2014 – REVISED AUGUST 2014

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Bits

Field

Type

Default

Description

7:0

BUCK_LOAD_

0000 0000 BUCK_LOAD_CURR

CURR[7:0]

This register reports 8 LSB bits of the magnitude of the average load current of the

selected Buck Converter. The value is reported with a resolution of 10 mA per LSB

and 20A max current. Three MSB bits are reported by

SEL_I_LOAD.BUCK_LOAD_CURR[10:8] bits, see SEL_I_LOAD.

The current reported is an average over the last 5 milliseconds. The host system has

read-only access to this register. This register is cleared to 0 on all resets.

000 0000 0000 Load current lower than 10 mA

000 0000 0001 10 mA

≤ Load current < 20 mA

...

111 1111 1110 20460 mA

≤ Load current < 20470 mA

111 1111 1111 Load current 20470 mA or higher.

Note: Not production tested. Typical values for reference only.

7.6.21 INT_MASK_2

Address: 0x2E

Reserved

MASK_ILOAD_

MASK_UVLO

MASK_TWARN

MASK_TEMP

READY

ING

Bits

Field

Type

Default

Description

7:4

Reserved

R/W

0000

MASK_ILOAD_

R/W

Interrupt mask for load current measurement flag

READY

1 = FLAGS_1.I_LOAD_READY does not set interrupt.

0 = FLAGS_1.I_LOAD_READY sets interrupt.

MASK_UVLO

R/W

Interrupt mask for undervoltage lock-out flag

1 = FLAGS_1.UVLO does not set interrupt.

0 = FLAGS_1.UVLO sets interrupt, when triggered.

MASK_

R/W

Interrupt mask for thermal warning flag

TWARNING

1 = FLAGS_1.T_WARNING does not set interrupt.

0 = FLAGS_1.T_WARNING sets interrupt, when triggered.

MASK_TEMP

R/W

Interrupt mask for die temperature flag bits

1 = FLAGS_0.TEMP[1:0] value change does not set interrupt.

0 = FLAGS_0.TEMP[1:0] value change sets interrupt.

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