ADP5140WACCZ-R7 datasheet(50/128 Pages) AD

50 / 128 page

ADP5140

Data Sheet

Rev. 0 | Page 50 of 128

STATE DIAGRAM

Figure 94 shows the state diagram of the ADP5140.

FROM POWER ON

INITIAL

MODE

POR = 1 AND EN_RGH = 1

Init_Ok = 1 AND AVIN_UVLO = 0 AND

AVDD_UVLO = 0 AND EN_ACC = 1

SELF_CHECK_OK = 1

WAKE = LOW

EN_ACC = 0 OR

AVIN_UVLO = 1 OR

AVDD_UVLO = 1

SPI_CMD_RST

(FROM ANY STATE)

PER_RAMP_OK = 1

SPI_CMD2

SPI_CMD3

SPI_CMD1 OR

PER_EC ≥ = NEC_P

OV = 0 AND OT = 0 AND

SYS_EC < NEC_S

SYS_EC ≥ = NEC_S

SPI_CMD1

TSD = 1 OR POR = 0 OR EN_RGH = 0

SYS_RAMP_OK = 1

AND SEQ = HIGH AND

IO_UV = 0

1. TIMEOUT 1 EXPIRED

2. TIMEOUT 2 EXPIRED OR (OV)a, h OR (OT)a

3. (OV|UV)a, f OR SEQ = LOW OR (IO_UV)i OR

(WD0_FAIL OR WD1_FAIL OR QA_WD_FAIL)d

4. TIMEOUT 3 EXPIRED OR (OV|OT)b

5. (OV|UV)b, g OR (WD0_FAIL OR WD1_FAIL OR QA_WD_FAIL)e

6. (OV|UV)c

REGULATOR 1, REGULATOR 2, REGULATOR 5, REGULATOR 10,

REGULATOR 11, AND REGULATOR 12

PERIPHERAL POWER RAILS: REGULATOR 3, REGULATOR 4,

REGULATOR 6, REGULATOR 7, REGULATOR 8, REGULATOR 9

POWER RAILS THAT ENABLED IN STANDBY MODE

DEPENDS ON TRANSITION_MASK REGISTER CONFIGURATION

DEPENDS ON OV_RST_MASK/UV_RST_MASK

DEPENDS ON OV_FAULT_MASK/UV_FAULT_MASK

DEPENDS ON OV_RST_MASK REGISTER CONFIGURATION

DEPENDS ON UV_RST_MASK REGISTER CONFIGURATION

SELF_CHECK

SYSTEM

RAMP UP

PERIPHERAL

RAMP UP

POWER DOWN

SYS_EC = 0

PER_EC = 0

PERIPHERAL

ERROR

PER_EC++

SYSTEM

ERROR

SYS_EC++

STANDBY

MODE

NORMAL

SHUTDOWN

Figure 94. State Diagram

ADP5140WACCZ-R7 数据表(PDF) 50 Page - Analog Devices

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