ACT8946A datasheet(13/37 Pages) ACTIVE-SEMI

13 / 37 page

ACT8946AQJ203-T

Rev 1.0, 08-Jul-16

ActivePMU and ActivePath are trademarks of Active-Semi.

13 -

www.active-semi.com

OUTPUT ADDRESS

BIT

NAME

ACCESS

DESCRIPTION

REG4

0x50

[7:6]

Reserved.

REG4

0x50

[5:0]

VSET

R/W

Output Voltage Selection. See the Output Voltage

Programming section for more information.

REG4

0x51

[7]

R/W

Regulator Enable Bit. Set bit to 1 to enable the regulator,

clear bit to 0 to disable the regulator.

REG4

0x51

[6]

DIS

R/W

Output Discharge Control. When activated, LDO output is

discharged to GA through 1.5kΩ resistor when in shutdown.

Set bit to 1 to enable output voltage discharge in shutdown,

clear bit to 0 to disable this function.

REG4

0x51

[5]

LOWIQ

R/W

LDO Low-IQ Mode Control. Set bit to 1 for low-power

operating mode, clear bit to 0 for normal mode.

REG4

0x51

[4:2]

DELAY

R/W

Regulator Turn-On Delay Control. See the REG4, REG5,

REG6, REG7 Turn-on Delay section for more information.

REG4

0x51

[1]

nFLTMSK

R/W

Regulator Fault Mask Control. Set bit to 1 enable fault-

interrupts, clear bit to 0 to disable fault-interrupts.

REG4

0x51

[0]

Regulator Power-OK Status. Value is 1 when output voltage

exceeds the power-OK threshold, value is 0 otherwise.

REG5

0x54

[7:6]

Reserved.

REG5

0x54

[5:0]

VSET

R/W

Output Voltage Selection. See the Output Voltage

Programming section for more information.

REG5

0x55

[7]

R/W

Regulator Enable Bit. Set bit to 1 to enable the regulator,

clear bit to 0 to disable the regulator.

REG5

0x55

[6]

DIS

R/W

Output Discharge Control. When activated, LDO output is

discharged to GA through 1.5kΩ resistor when in shutdown.

Set bit to 1 to enable output voltage discharge in shutdown,

clear bit to 0 to disable this function.

REG5

0x55

[5]

LOWIQ

R/W

LDO Low-IQ Mode Control. Set bit to 1 for low-power

operating mode, clear bit to 0 for normal mode.

REG5

0x55

[4:2]

DELAY

R/W

Regulator Turn-On Delay Control. See the REG4, REG5,

REG6 , REG7 Turn-on Delay section for more information.

REG5

0x55

[1]

nFLTMSK

R/W

Regulator Fault Mask Control. Set bit to 1 enable fault-

interrupts, clear bit to 0 to disable fault-interrupts.

REG5

0x55

[0]

Regulator Power-OK Status. Value is 1 when output voltage

exceeds the power-OK threshold, value is 0 otherwise.

REG6

0x60

[7:6]

Reserved.

REG6

0x60

[5:0]

VSET

R/W

Output Voltage Selection. See the Output Voltage

Programming section for more information.

REG6

0x61

[7]

R/W

Regulator Enable Bit. Set bit to 1 to enable the regulator,

clear bit to 0 to disable the regulator.

REG6

0x61

[6]

DIS

R/W

Output Discharge Control. When activated, LDO output is

discharged to GA through 1.5kΩ resistor when in shutdown.

Set bit to 1 to enable output voltage discharge in shutdown,

clear bit to 0 to disable this function.

REG6

0x61

[5]

LOWIQ

R/W

LDO Low-IQ Mode Control. Set bit to 1 for low-power

operating mode, clear bit to 0 for normal mode.

REG6

0x61

[4:2]

DELAY

R/W

Regulator Turn-On Delay Control. See the REG4, REG5,

REG6, REG7 Turn-on Delay section for more information.

REG6

0x61

[1]

nFLTMSK

R/W

Regulator Fault Mask Control. Set bit to 1 enable fault-

interrupts, clear bit to 0 to disable fault-interrupts.

REG6

0x61

[0]

Regulator Power-OK Status. Value is 1 when output voltage

exceeds the power-OK threshold, value is 0 otherwise.

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