IMX7SCEC datasheet(26/152 Pages) NXP

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Electrical characteristics

i.MX 7Solo Family of Applications Processors Datasheet, Rev. 5, 07/2017

NXP Semiconductors

NVCC_GPIO1

From PMIC

N=12

Use max IO

equation2

NVCC_GPIO2

From PMIC

N=14

NVCC_SD2

From PMIC

N=9

NVCC_SD3

From PMIC

N=12

NVCC_SD1

From PMIC

N=9

NVCC_ENET1

From PMIC

N=16

NVCC_EPDC1

From PMIC

N=16

NVCC_EPDC2

From PMIC

N=17

NVCC_SAI

From PMIC

N=11

NVCC_LCD

From PMIC

N=29

NVCC_SPI

From PMIC

N=8

NVCC_ECSPI

From PMIC

N=8

NVCC_I2C

From PMIC

N=8

NVCC_UART

From PMIC

N=8

VDD_USB_OTG1_3P3_IN

From PMIC

—

VDD_USB_OTG2_3P3_IN

From PMIC

—

VDD_USB_H_1P2

From i.MX 7 internal LDO

—

VDDA_MIPI_1P8

From i.MX 7 internal LDO

—

DRAM_VREF

From PMIC

—

NVCC_DRAM_CKE

From PMIC

—

NVCC_DRAM

From PMIC

—

—3

1 The actual maximum current drawn from VDDA_1P8_IN is as shown plus any additional current drawn from the

VDDD_1P0_CAP, VDD_1P2_CAP, VDDA_PHY_1P8 outputs, depending on actual application configuration (for example,

VDD_MIPI_1P0, VDD_USB_H_1P2 and supplies).

2 General equation for estimated, maximal power consumption of an I/O power supply:

Imax = N × C × V × (0.5 × F)

where:

N = Number of I/O pins supplied by the power line

C = Equivalent external capacitive load

V = IO voltage

(0.5

× F) = Data change rate, up to 0.5 of the clock rate (F)

In this equation, Imax is in amps, C in farads, V in volts, and F in hertz.

3 The DRAM power consumption is dependent on several factors, such as external signal termination. DRAM power calculators

are typically available from the memory vendors. They take into account factors such as signal termination. See the application

note,

i.MX 7DS Power Consumption Measurement (AN5383) for examples of DRAM power consumption during specific use

case scenarios.

Table 12. Maximum supply currents(continued)

Power Rail

Source

Conditions

Max Current

Unit

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