FS26 datasheet(23/156 Pages) NXP

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NXP Semiconductors

FS26

Safety system basis chip with low power for ASIL D/ASIL B

aaa-045506

Risk of damage

High Voltage

Extended Operation

High Voltage

Extended Operation

Low Voltage

Extended Operation

Electrical Characteristics

not guaranteed

Electrical Characteristics

not guaranteed

No operation

Boost in front-end

2.7 V

18 V

36 V

40 V

Boost in back-end

or no Boost

No operation

Full Operation

VBST_IN

VSUP > VPRE + VPRE_HDR

VPRE > VPRE_UVL

and VBOS > VBOS_UVL

VSUP

Figure 8. Input voltage range in normal mode

13.2.2 Operating range in Low-power modes

In standby mode and LPOFF mode, monitors are disabled to ensure lowest current consumption. The minimum

operating condition is VBOS_POR.

Figure 9 describes the supply range of the FS26 in standby mode and LPOFF mode. When transitioning

to standby mode, the boost regulator will be turned off and VPRE will switch from VPRE_OTP[5:0] to

VPRE_LP_OTP[5:0].

When the device is in LPOFF mode, all the regulators are turned off.

FS26_SDS

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

Product short data sheet

Rev. 6.0 — 12 December 2025

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