WM8311 datasheet(16/302 Pages) WOLFSON

tên linh kiện	WM8311

Giải thích chi tiết về linh kiện	Processor Power Management Subsystem

PDF	302 Pages

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WM8311

Pre-Production

PP, May 2012, Rev 3.1

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

Wall Input power source

WALLVDD

4.3

5.5

Battery Input power source

BATTVDD

2.7

5.5

USB Input power source

USBVDD

4.3

5.5

Digital buffer supply

DBVDD1, DBVDD2

1.71

3.6

Touch Panel supply

(see note 1)

TPVDD

1.71

2.5

3.6

OTP Programming Supply

(see note 2)

PROGVDD

6.25

6.5

6.75

LDO12VOUT

3.3

Ground

GND, DC1GND, DC2GND,

DC3GND, DC4GND, DBGND,

TPGND, XOSCGND,

REFGND

Notes:

When the Touch Panel Controller is enabled, then TPVDD must be connected to LDO13VOUT (2.5V). The min/max TPVDD

conditions noted above do not apply when the Touch Panel Controller is enabled. (Note that, when the Touch Panel is not

enabled, TPVDD is the power domain for GPIO pins 13-16.)

The OTP Programming Supply PROGVDD should only be present when programming the OTP. At other times, this pin should

be left unconnected. The LDO12VOUT must be overdriven by an external supply when programming the OTP. At other times,

the voltage at this pin is driven by the internal circuits of the WM8311.

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