DA9021 datasheet(14/142 Pages) DIALOG

tên linh kiện	DA9021

Giải thích chi tiết về linh kiện	System PMIC with high efficiency USB power manager

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DA9021/22

System PMIC with high efficiency USB power manager

Datasheet

Revision 2.5

17-Feb-2017

CFR0011-120-00 Rev 5

14 of 142

Figure 4: Pad arrangement colour key

Table 2: Pin description for DA9021

Pin no.

Pin name

Type

(Table 4)

Description

Power manager

nONKEY

On/off key with optional long press shutdown

SYS_EN

DI/DIO

Hardware enable of power domain SYSTEM/GPIO_8

PWR_EN

DI/DIO

Hardware enable of power domain POWER/GPIO_9

PWR1_EN

DI/DIO

Hardware enable of power domain POWER1/GPIO_10 with

high power output and blinking feature, input for power

sequencer WAIT ID

nSHUTDOWN

Active low input from switch or error indication line from host

to initiate shutdown

nRESET

Active low RESET towards host

GP_FB1

DO/DIO

Status indication towards host for a valid wakeup event

(EXT_WAKEUP) or indicator for ongoing power mode

transition (READY) /GPIO_12, enables hardware control of

LDO9

nIRQ

Active low IRQ line towards host

nVDD_FAULT

DO/DIO

Active low indication for low supply voltage/GPIO_13

PWR_UP

DO/DO

Sequencer status indicator: All POWER IDs powered up

(PWR_UP) or programmable level controlled from the power

sequencer (GP_FB2)

VDD_IO

Supply I/O voltage rail

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