MPF7100BVMA2ES datasheet(12/125 Pages) NXP

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NXP Semiconductors

PF7100

7-channel power management integrated circuit for high performance applications

PF7100

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Product data sheet

Rev. 4 — 9 March 2021

12 / 125

Table 11. State machine transition definition

Symbol

Description

Conditions

1. STANDBY = 0 && STANDBYINV bit = 0

Transition A

Standby to run

2. STANDBY = 1 && STANDBYINV bit = 1

1. STANDBY = 1 && STANDBYINV bit = 0

Transition B

Run to standby

2. STANDBY = 0 && STANDBYINV bit = 1

Transition C

System on to WD reset

1. Hard WD Reset event

Transition D

WD reset to system on

1. 30 µs delay passed && WD_EVENT_CNT < WD_MAX_CNT

Transition E

WD reset to power down (fault)

1. WD_EVENT_CNT = WD_MAX_CNT

Transitory off state: device pass through LP_Off to Self-Test to

QPU_Off (no power up event present)

1. LPM_OFF = 1 && TBBEN = Low

Power up event from LP_Off state

2. LPM_OFF = 0

&& TBBEN = Low

&& (PWRON = 1 && OTP_PWRON_MODE = 0)

&& UVDET< VIN < VIN_OVLO (or VIN_OVLO disabled)

&& Tj < TSD

&& TRIM_NOK = 0 && OTP_NOK = 0

Power up event from LP_Off state

3. LPM_OFF = 0

&& TBBEN = Low

&& (PWRON H to L && OTP_PWRON_MODE = 1)

&& UVDET < VIN < VIN_OVLO (or VIN_OVLO disabled)

&& TJ < TSD

&& TRIM_NOK = 0 && OTP_NOK = 0

Transition J

LP_Off to self-test

(ASIL B only)

Conditions: Transitory Off state to go into TBB Mode. Device

pass through LP_Off to Self-Test to QPU_Off (no power up

event present)

4. TBBEN = high (V1P5D)

1. Pass Self-Tests

Transition K

Self-test to QPU_Off

(ASIL B only)

2. TBBEN = high (V1P5D)

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