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MPF7100BVBA2ES Datasheet(PDF) 27 Page - NXP Semiconductors

Part # MPF7100BVBA2ES
Description  7-channel power management integrated circuit for high performance applications
PDF  125 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MPF7100BVBA2ES Datasheet(HTML) 27 Page - NXP Semiconductors

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NXP Semiconductors
PF7100
7-channel power management integrated circuit for high performance applications
PF7100
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 4 — 9 March 2021
27 / 125
aaa-028054
System On
End of
PWRUP
End of
PWRDN
Power down Seq.
Run to Off mode
Power up Seq.
Off to Run mode
INTB
LDO2
SW2
SW3
LDO1
SW1
RESETBMCU
Start of
PWRDN
Figure 9. Power up/down sequence between OFF and system-on states
When transitioning from standby mode to run mode, the power up sequencer is activated
only if any of the external regulators is re-enabled during this transition. If none of the
regulators toggle from Off to On and only voltage changes are being performed when
entering or exiting standby mode, the changes for the voltage regulators are made
simultaneously rather than going through the power up sequencer.
Figure 10 shows an example of the power up/down sequence when transitioning
between run and standby modes.
aaa-028055
PWRUP_l
PWRDN_l
Run
Mode
STBY
Mode
PWRDN Sequence
from Run to STBY
PWRUP Sequence
from STBY to Run
INTB
RESETBMCU
LDO2
SW3
SW2
SW1
LDO1
Figure 10. Power up/down sequence between run and standby
The PWRUP_I interrupt is set while transitioning from standby to run, even if the
sequencer is not used. This is used to indicate that the transition is complete and device
is ready to perform proper operation.



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