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ACT88320QI-T Folha de dados(PDF) 38 Page - Active-Semi, Inc

Nome de Peças ACT88320QI-T
Descrição Electrónicos  Advanced PMU with Inrush Control and Bypass Switch
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Fabricante Electrônico  ACTIVE-SEMI [Active-Semi, Inc]
Página de início  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT88320QI-T Folha de dados(HTML) 38 Page - Active-Semi, Inc

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ACT88320QI-T
Rev 2.0, 20-Dec-2017
Innovative PowerTM
www.active-semi.com
ActiveSwitcherTM is a trademark of Active-Semi.
Copyright © 2017 Active-Semi, Inc
38
I2C Address
The ACT88320 7-bit I2C address is 0x25h. Use address 0x4Ah when writing and 0x4Bh when reading.
GPIO1 (pin 13) - nRESET
GPIO1 is configured as an open drain nRESET. nRESET goes open drain 20ms after Buck3 goes into regulation.
GPIO2 (pin 14) - EXT_EN
GPIO2 is configured as an open drain EXT_EN. EXT_EN goes high 2.5ms after Buck2 goes into regulation. EXT_EN
can be used to sequence on an external supply.
GPIO3 (pin 12) - nIRQ
GPIO3 is configured as an open drain nIRQ.
GPIO4 (pin 11) - DVS
GPIO4 is configured as a DVS input. Pulling the DVS input high makes the ACT88320 operate with normal output
voltages. The buck converters operate with voltages set by their I2C VSET0 registers. Buck3 output is 1.15V. Pulling the
input low makes the IC operate in DVS mode and the buck converters operate with voltages set by their VSET1 registers.
Buck3 output is 0.9V
SLEEP MODE
I2C default settings are SLEEP_MODE=0, SLEEP_EN=0, and SLEEP=0. Refer to the SLEEP State paragraph for details
on how to enter SLEEP Mode.
DPSLP MODE
I2C default settings are DPSLP_MODE=1, DPSLP_EN=0, and DPSLP=0. Refer to the DPSLP State paragraph for
details on how to enter DPSLP Mode.
VSYSMON
VSYSMON = 3.0V
Buck1 Voltage Setting
Buck 1 reference voltage is 0.8V. This sets the allowable voltage range between 0.8V and 3.998V in 12.5mV steps.
LDO Voltage Setting
The LDO reference voltage is 0.8V. This sets the allowable voltage range between 0.8V and 3.998V in 12.5mV steps.


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