MFS5600AMBAFES datasheet(4/118 Pages) NXP

4 / 118 page

NXP Semiconductors

FS5600

Automotive buck regulator and controller with voltage monitors and watchdog timer

4 Ordering information

The FS5600 is offered in QM, ASIL B, and Enhanced ASIL B versions. The Enhanced ASIL B version features

a Challenger Watchdog and Logic BIST (LBIST) which may be used to achieve ASIL D functional safety at the

system level. Additional safety mechanisms may be needed at the system level for ASIL D compliance.

Feature

QM Version

ASIL B Version

Enhanced ASIL B

Version

SW1 – Integrated FET buck converter

Yes

SW2 – External FET buck controller

Yes

GPOs for system sequence control

Yes

PGOOD1 and PGOOD2 output

Yes

Windowed Watchdog Timer

Yes (Simple)

Yes (Challenger)

4 External Voltage Monitors (VMON)

Yes

ERRMON Monitoring (muxed with VMON)

Yes

FCCU Monitoring (muxed with VMON)

Yes

FS0B output

Yes

ABIST

Yes

LBIST

Yes

I2C CRC

Yes

Table 1. Device options

Part number

Target

market

Safety

grade

OTP ID

SW1

SW2

Package drawing

MFS5600AMMA0ES Automotive QM

A0 – Non-programmed

—

SOT617-24(SC)

MFS5600AMBA0ES Automotive ASIL B

A0 – Non-programmed

—

SOT617-24(SC)

MFS5600AMEA0ES Automotive Enhanced

ASIL B

A0 – Non-programmed

—

SOT617-24(SC)

MFS5600AVMA0EP Industrial

A0 – Non-programmed

—

SOT617-24

MFS5600AMMA7ES Automotive QM

https://www.nxp.com/

MFS5600A7ES-OTP-

Report

5.0 V,

450 kHz

3.3 V,

450 kHz

SOT617-24(SC)

MFS5600AMMA8ES Automotive QM

https://www.nxp.com/

MFS5600A8ES-OTP-

Report

3.3 V,

450 kHz

5.0 V,

450 kHz

SOT617-24(SC)

MFS5600AMBAFES Automotive ASIL B

https://www.nxp.com/

MFS5600AMBAFES-OTP-

Report

3.3 V,

450 kHz

5 V,

450kHz

SOT617-24(SC)

MFS5600AMMABES Automotive QM

https://www.nxp.com/

MFS5600AMMABES-

OTP-Report

5 V,

450kHz

5 V,

450kHz

SOT617-24(SC)

Table 2. Ordering information

FS5600

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

Product data sheet

Rev. 4 — 29 April 2024

4 / 118

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