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DA9211 Datasheet(PDF) 28 Page - Dialog Semiconductor

Part # DA9211
Description  Integrates two dual-phase buck converters
PDF  74 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9211 Datasheet(HTML) 28 Page - Dialog Semiconductor

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DA9211 and DA9212
Datasheet
Company confidential
Data sheet
Version <3.0>
<07-Jan-2015>
CFR0011-120-00 Rev 3
28 of 74
© 2015 Dialog Semiconductor GmbH
13. Functional description
Flexible configurability and the availability of different control schemes make both DA9211 and
DA9212 the ideal single/dual buck companion ICs to expand the existing capabilities of a master
PMIC.
Due to the advanced compatibility between both DA9211 and DA9212 and the DA9063, they offer
several advantages when they are operated together. These advantages include:
● DA9211 and DA9212 can be enabled and controlled by DA9063 during the power up sequence,
thanks to DA9063’s dedicated output signals during power-up, and compatible input controls in
both DA9211 and DA9212.
● DA9211 and DA9212 can be used in a completely transparent way for the host processor and
can share the same Control Interface (same SPI chip select or I2C address), thanks to the
compatible registers map. DA9211 and DA9212 has a dedicated register space for configuration
and control which doesn’t conflict with DA9063.
● DA9211 and DA9212 supports a Power-good configurable port for enhanced communication to
the host processor and improved power-up sequencing.
● DA9211 and DA9212 can both share the same interrupt line with DA9063.
In addition, the 2-WIRE / 4-WIRE interfaces allow DA9211 and DA9212 to fit to many standard PMU
parts and power applications.
DA9063
Host
Processor
nIRQ
nONKEY
nRESET
Vdd
VCharger
nSHUTDOWN
GPIOs
OUT_32K
Control IF
DA9211/12
GPIO2 (AC_OK)
Control IF
GPIO9
nIRQ
PWR1_EN
nOFF
LID
GPI0 (enable)
IC_EN
PWR_EN
SYS_EN
GPI1 (voltage set)
Figure 32: Interface of DA9211/12 with DA9063 and the host processor



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