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DA9211 bảng dữ liệu(PDF) 30 Page - Dialog Semiconductor

tên linh kiện DA9211
Giải thích chi tiết về linh kiện  Integrates two dual-phase buck converters
PDF  74 Pages
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nhà sản xuất  DIALOG [Dialog Semiconductor]
Trang chủ  http://www.dialog-semiconductor.com/
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DA9211 bảng dữ liệu(HTML) 30 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
30 of 74
© 2015 Dialog Semiconductor GmbH
Figure 33 shows a typical use case of DA9211 for the supply of CPU, GPU, or DDR rails. The IC is
enabled and disabled by the main PMIC via IC_EN port as part of its sequencer. Once the IC is
enabled, the CORE application processor enables the buck converter with the EN1 signal and
manages the output voltage selection with the VSEL signal.
The VSEL signal can be shared between the main PMIC and the DA9211. Three GPI/GPIOs
embedded in DA9211 are used in this case:
● GPIO2 signals the insertion of an external charger in the application (through interrupt to the host
processor)
● GPIO3 indicates a power-good-condition, either to proceed with the power up sequence or to
enable an external supply connected to the port
● GPI4 is used for the I2C interface address hardware selection



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