PIMXRT406LCAF4A datasheet(23/100 Pages) NXP

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Electrical characteristics

i.MX RT1020 Crossover Processors for Industrial Products, Rev. 2, 03/2021

NXP Semiconductors

4.1.6

Low power mode supply currents

Table 14 shows the current core consumption (not including I/O) of i.MX RT1020 processors in selected

low power modes.

4.1.7

USB PHY current consumption

4.1.7.1

Power down mode

In power down mode, everything is powered down, including the USB VBUS valid detectors in typical

condition. Table 15 shows the USB interface current consumption in power down mode.

Table 14. Low power mode current and power consumption

Mode

Test Conditions

Supply

Typical1

1 The typical values shown here are for information only and are not guaranteed. These values are average values measured

on a typical process wafer at 25oC.

Units

SYSTEM IDLE

• LDO_ARM and LDO_SOC set to the Bypass

mode

• LDO_2P5 set to 2.5 V, LDO_1P1 set to 1.1 V

• CPU in WFI, CPU clock gated

• 24 MHz XTAL is ON

• System PLL is active, other PLLs are power down

• Peripheral clock gated, but remain powered

DCDC_IN (3.3 V)

VDD_HIGH_IN (3.3 V)

5.2

VDD_SNVS_IN (3.3 V)

0.036

Total

30.479

LOW POWER IDLE

• LDO_SOC is in the Bypass mode, LDO_ARM is

in the PG mode

• LDO_2P5 and LDO_1P1 are set to Weak mode

• CPU in Power Gate mode

• All PLLs are power down

• 24 MHz XTAL is off, 24 MHz RCOSC used as

clock source

• Peripheral are powered off

DCDC_IN (3.3 V)

VDD_HIGH_IN (3.3 V)

0.4

VDD_SNVS_IN (3.3 V)

0.05

Total

8.085

SUSPEND

(DSM)

• LDO_SOC is in the Bypass mode, LDO_ARM is

in the PG mode

• LDO_2P5 and LDO_1P1 are shut off

• CPU in Power Gate mode

• All PLLs are power down

• 24 MHz XTAL is off, 24 MHz RCOSC is off

• All clocks are shut off, except 32 kHz RTC

• Peripheral are powered off

DCDC_IN (3.3 V)

0.3

VDD_HIGH_IN (3.3 V)

0.09

VDD_SNVS_IN (3.3 V)

0.03

Total

1.386

SNVS (RTC)

• All SOC digital logic, analog module are shut off

• 32 kHz RTC is alive

DCDC_IN (0 V)

VDD_HIGH_IN (0 V)

VDD_SNVS_IN (3.3 V)

0.020

Total

0.066

Table 15. USB PHY current consumption in power down mode

VDD_USB_CAP (3.0 V)

VDD_HIGH_CAP (2.5 V)

NVCC_PLL (1.1 V)

Current

5.1

A

1.7

A

< 0.5

A

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