S32K310 datasheet(34/137 Pages) NXP

34 / 137 page

Table 10. Supply Monitoring (continued)

Symbol

Description

Min

Typ

Max

Unit

Condition

Spec

Number

VPOR_VDD_HV_A Power-On-Reset

(VPOR) on

VDD_HV_A,

deassert threshold

0.9

1.5

2.2

—

VREF12

Bandgap reference,

trimmed

1.18

1.2

1.22

—

6.7 Recommended Decoupling Capacitors

Table 11. Recommended Decoupling Capacitors

Symbol

Description

Min

Typ

Max

Unit

Condition

Spec

Number

CDEC

Decoupling capacitor

(one per supply

pin) 1, 2, 3

100

—

CBULK

Input supply bulk

capacitor 2, 4, 5, 6

—

4.7

—

µF

—

COUT_V15_NPN

V15 (1.5V

Regulator) output

capacitor 2, 7

—

2.2

—

µF

—

COUT_V11

V11 (1.1V

Regulator)

output capacitor

(all chips, except

S32K312, S32K311

& S32K310) 2

—

2.2

—

µF

—

COUT_V11

V11 (1.1V

Regulator)

output capacitor

(S32K312, S32K311

& S32K310) 2

—

µF

—

COUT_V11

V11 (1.1V

Regulator)

output capacitor

(S32K388) 2

—

COUT_V25

V25 (2.5V

Regulator) output

capacitor 2, 3

140

220

—

1. Optionally, 1 nF capacitors can be added in parallel to the decoupling capacitors.

2. All capacitors must be low ESR ceramic capacitors (for example, X7R). The minimum recommendation is after

considering component aging and tolerance.

3. These capacitors must be placed as close as possible to the corresponding supply and ground pins. For BGA

packages, the capacitors must be placed on the other side of the PCB to minimize the trace lengths.

4. For devices where the VDD_HV_B domain is present, if the VDD_HV_B supply is different supply from VDD_HV_A, a

dedicated bulk capacitor is needed.

NXP Semiconductors

Power management

S32K3xx Data Sheet, Rev. 5.2, 10/2022

Data Sheet: Technical Data

Preliminary Information

34 / 137

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