FS5600 datasheet(85/111 Pages) NXP

85 / 111 page

NXP Semiconductors

FS5600

Automotive buck regulator and controller with voltage monitors and watchdog timer

18.1.28 STATE register

Bit

Symbol

Description

4 to 0

PMIC_FSM[4:0]

Indicates FSM State.

5b'00100 - ABIST

5b'00101 - Power Up

5b'01000 - Deep Fail-Safe

5b'01001 - INIT RUN

5b'01100 - NORMAL

5b'01101 - Thermal Shutdown

5b'10000 - Power Down

5b'10001 - POR

Others - Reserved

Reset Condition — POR

Table 83. STATE register description

18.1.29 ID1 register

Bit

Symbol

Description

13 to 11

FULL_LAYER_REV[2:0]

Silicon revision identification

10 to 8

METAL_LAYER_REV[2:0]

Silicon revision identification

7 to 4

FAM_ID[3:0]

Family Id (1011 for FS56).

4b'1011 — Family Id (1011 for FS56).

Reset Condition — POR

3 to 0

DEVICEID[3:0]

Device variation identification. Defaulted to 0.

Table 84. ID1 register description

19 Typical application curves

(VIN = 12 V, Switching Frequency = 450 kHz, Hardware: KITFS5600FRDMEVM, SW1 =

5 V, SW2 = 3.3 V, Temperature = 25 C, SW1 Inductor = 6.8 μH, 14.5 mΩ, SW2 HS FET:

BUK9M9R5-40H, SW2 LS FET: BUK9M3R3, SW2 Inductor: 4.7 μH, 7.5 mΩ DCR, unless

otherwise noted..)

Figure 20. SW1 Soft-start

FS5600

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 3 — 2 August 2022

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