MFS5600AMBAFES datasheet(112/118 Pages) NXP

112 / 118 page

NXP Semiconductors

FS5600

Automotive buck regulator and controller with voltage monitors and watchdog timer

23 Revision history

Document ID

Release

date

Modifications

FS5600 v. 4

20240429

• CIN number 202402003I

• In Table 2, added five part numbers (MFS5600AMBAFES, MFS5600AMMABES, MFS5600

AVMABEP, MFS5600AVMADEP, and MFS5600AVMAEEP)

• In Section 4, added statement regarding OTP emulation and programming

• In Table 32, added (Default) indication for device address 0x18

• In Table 76, changed overvoltage to overcurrent for bits 14 and 13, and changed

overvoltage to undervoltage for bits 11 - 6

• In Table 77, changed overvoltage to undervoltage for bits 11-6

• In Figure 11, changed /7 to /8 in the Divider 1 box and /44 to /48 in the Divider 2 box.

• In Figure 33, changed value of L1 from 4.7 μH to 6.8 μH

• Updated legal information

FS5600 v. 3

20220802

• CIN number 202202008I

• In Section 2, added up to 15 A load capability for Buck Controller - External FET

• In Figure 1, under SW@ - Buck Controller, changed >10 A to up to 15 A

• In Section 10, added this note below the table: In the absence of BIAS_IN, VIN falling

below this voltage will cause FS5600 to power off

• In Section 12.1, corrected the units of Error Amplifier Transconductance from ms to mS

• In Section 12.2.1, added this to the end of the paragraph after the first table: When

operating at 450 kHz or lower, by choosing low Rds(on) MOSFETs in separate packages,

and with a low DCR inductor, SW2 can be designed to support loads of up to 15 A. Refer

to the schematic of KITFS5600FRDMEVM for a design that can support 15 A.

• Reorganized Section 12, adding Section 12.2.1.2 material

• In Section 12.2.1.1, added Use closest standard values for resistor and capacitors to the

end of the section

• In Section 17.6.1, added PGOODx toggle due to a before watchdog failure

• In Section 17.13.7, changed OTP_DFN_EN to OTP_DFS_EN

• Added Section 19

• In Figure 11, in the Divider 1 box, changed /8 to /7. In the Divider 2 box, changed /48 to

/44.

• In Figure 33, made these pin numbering changes at the lower left:

Swap 5-6

Swap 4-2

Swap 3-1

FS5600 v. 2

20210601 Moved from Objective status to Product status

FS5600 v. 1

20201029 Initial release of Objective data sheet

Table 85.

FS5600

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

Product data sheet

Rev. 4 — 29 April 2024

112 / 118

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