ACT8846 datasheet(5/44 Pages) ACTIVE-SEMI

5 / 44 page

ACT8846

Rev 7.0 06-Dec-2017

Innovative PowerTM

5 -

www.active-semi.com

ActivePMUTM is a trademark of Active-Semi.

I2CTM is a trademark of NXP.

PIN DESCRIPTIONS

NAME

DESCRIPTION

1, 2

SW3

Switch Node for REG3.

GP3

Power Ground for REG3. Connect GP14, GP2, GP3, and GA together at a single

point as close to the IC as possible.

OUT10

REG10 output. Bypass it to ground with a 2.2µF capacitor.

OUT11

REG11 output. Bypass it to ground with a 2.2µF capacitor.

INL3

Power input for REG10, REG11 and REG12.

OUT12

REG12 output. Bypass it to ground with a 2.2µF capacitor.

VSELR2

Output Voltage Selection for REG2. Drive to logic low to select default output voltage.

Drive to logic high to select secondary output voltage.

nPBSTAT

Active-Low Open-Drain Push-Button Status Output. nPBSTAT is asserted low

whenever the nPBIN is pushed, and is high-Z otherwise.

GP2

Power ground for REG2. Connect GP14, GP2, GP3, and GA together at a single

point as close to the IC as possible.

11, 12

SW2

Switch Node for REG2.

13, 14

VP2

Power input for REG2. Bypass to GP2 with a high quality ceramic capacitor placed as

close to the IC as possible.

OUT2

Output Voltage Sense for REG2.

PWREN

Power Enable Input for REG3. PWREN is functional only when PWRHLD is driven

high. Drive PWREN to a logic high to turn on the REG3. Drive PWREN to a logic low

to turn off the REG3.

REFBP

Reference Bypass. Connect a 0.047μF ceramic capacitor from REFBP to GA. This

pin is discharged to GA in shutdown.

INL2

Power Input for REG8, REG9.

OUT9

REG9 output. Bypass it to ground with a 2.2µF capacitor.

Analog Ground.

OUT4

Output voltage sense for REG4.

OUT8

REG8 output. Bypass it to ground with a 2.2µF capacitor.

SDA

Data Input for I2C Serial Interface. Data is read on the rising edge of SCL.

SCL

Clock Input for I2C Serial Interface.

VP4

Power input for REG4. Bypass to GP14 with a high quality ceramic capacitor placed

as close to the IC as possible.

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