PIMXRT516SCVM2A datasheet(38/128 Pages) NXP

38 / 128 page

i.MX RT1170 Crossover Processors Data Sheet for Consumer Products, Rev. 1, 05/2021

NXP Semiconductors

Electrical characteristics

4.2.2

Internal POR and power detect

Internal detector monitors VDD_SOC_IN and VDD_LPSR_DIG. Internal POR will be asserted whenever

VDD_SOC_IN or VDD_LPSR_DIG are lower than the valid voltage values shown in the Table 16.

4.2.3

Integrated LDO voltage regulator parameters

Various internal supplies can be powered ON from internal LDO voltage regulators. The on-chip LDOs

are intended for internal use only and should not be used to power any external circuitry. See the i.MX

RT1170 Reference Manual (IMXRT1170RM) for details on the power tree scheme.

4.2.3.1

LDO_SNVS_ANA

Table 17 shows the parameters of LDO_SNVS_ANA.

4.2.3.2

LDO_SNVS_DIG

Table 18 shows the parameters of LDO_SNVS_DIG.

Table 16. Internal POR and power detect

Symbol

Description

Value

Unit

Vdetlpsr1p0_H

1.0 V supply valid

0.75

Vdetsoc1p0_H

1.0 V supply valid

0.75

Hystdet1p0

The detector hysteresis

100

Table 17. LDO_SNVS_ANA specification

Specification

Min

Typ

Max

Unit

VDD_SNVS_IN

2.4

3.6

VDD_SNVS_ANA

1.65

1.75

1.95

I_out

—

External decoupling capacitor

—

2.2

—

F

Table 18. LDO_SNVS_DIG specification

Specification

Min

Typ

Max

Unit

VDD_SNVS_ANA

1.65

1.75

1.95

VDD_SNVS_DIG

0.65

0.85

0.95

I_out

—

External decoupling capacitor

—

0.22

—

F

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