MFS2301BMBACEP datasheet(49/230 Pages) NXP

49 / 230 page

NXP Semiconductors

FS23

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

For temperature sensors, the temperature must be calculated from the AMUX output voltage as per the

following formula: T(°C) = (VAMUX – VTEMP25) / VTEMP_COEFF + 25.

14.4 Electrical characteristics

TA = −40 °C to 125 °C, unless otherwise specified. VSUP = 5.5 V to 40 V, unless otherwise specified. VDDIO = 3.0 V to 5.5 V, unless

otherwise specified. IAMUX = -1 mA to 1 mA, unless otherwise specified. All voltages referenced to ground.

Symbol

Parameter

Min

Typ

Max

Unit

AMUX

VAMUX_IN

Input-voltage range for VSUP, VSHS, WAKE1, WAKE2, HVIO1, HVIO2

• AMUX_DIV = 0

• AMUX_DIV = 1

2.5

4.2

VAMUX_OUT

AMUX output-voltage range

0.3

VDDIO

– 0.2

RPD_AMUX

Output pulldown resistance

100

1000

3000

kΩ

VAMUX_OFF

Offset voltage

-7

RAMUX_ACC

AMUX ratio accuracy

• Ratio 1

• Ratio 3

• Ratio 10.5 (AMUX_DIV = 0)

• Ratio 20 (AMUX_DIV = 1)

-0.5

-1.7

-1.9

-1.5

0.5

1.7

1.9

1.5

VTEMP25

Temperature sensor voltage at 25 °C

1.31

1.38

1.45

VTEMP_COEFF

Temperature sensor coefficient

-4.074 -3.880 -3.686

mV/°C

TAMUX_SET

Settling time

(from 10 % to 90 % of VDDIO, Rs = 220 Ω, Cout = 10 nF)

CAMUX_OUT

Output capacitor

RAMUX_OUT

Output resistor

220

Ohm

Table 21. AMUX electrical characteristics

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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