FS23 datasheet(19/230 Pages) NXP

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NXP Semiconductors

FS23

Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers

11.2 Current consumption

TA = −40 °C to 125 °C, unless otherwise specified. VSUP = 5.5 V to 40 V, unless otherwise specified. All voltages referenced to ground.

Symbol

Parameter

Min

Typ

Max

Unit

Quiescent current

INORMAL

Current in Normal mode,

all regulators ON, no load (IOUT = 0)

all high side switched ON (IOUT = 0)

CAN and LIN active, recessive state

–

ILPON_25[1]

Current in Low-power ON mode,

V1 = HVBUCK = 3.3 V,

V1 ON (IOUT = 0),

TA = 25 °C

WAKE1 and WAKE2 wake-up enabled only

–

µA

ILPON_85[1]

Current in Low-power ON mode,

V1 = HVBUCK = 3.3 V,

V1 ON (IOUT = 0),

TA = 85 °C

WAKE1 and WAKE2 wake-up enabled only

–

µA

ILPON_25

Current in Low-power ON mode,

V1 = HVLDO1 = 3.3 V,

V1 ON (IOUT = 0),

TA = 25 °C

WAKE1 and WAKE2 wake-up enabled only

–

µA

ILPON_85

Current in Low-power ON mode,

V1 = HVLDO1 = 3.3 V,

V1 ON (IOUT = 0),

TA = 85 °C

WAKE1 and WAKE2 wake-up enabled only

–

µA

ILPOFF_25

Current in Low-power OFF mode,

all regulators OFF,

TA = 25 °C

WAKE1 and WAKE2 wake-up enabled only

–

µA

ILPOFF_85

Current in Low-power OFF mode,

all regulators OFF,

TA = 85 °C

WAKE1 and WAKE2 wake-up enabled only

–

µA

Table 9. Current consumption

[1]

In LPON mode, when V1 is a HVBUCK, the quiescent current can be reduced by supplying VBOS from V1 (closing VBOS2V1 switch, if configured by

OTP). This way, the current consumption beneficiates from the ratio between VBAT and V1 output.

FS23

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

Product data sheet

Rev. 7.0 — 16 October 2024

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