ESP32-PICO datasheet(37/64 Pages) ESPRESSIF

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5 Electrical Characteristics

5.1

Absolute Maximum Ratings

Stresses above those listed in Table 16 Absolute Maximum Ratings may cause permanent damage to the

device. These are stress ratings only and normal operation of the device at these or any other conditions

beyond those indicated in Section 5.2 Recommended Power Supply Characteristics is not implied. Exposure

to absolute-maximum-rated conditions for extended periods may affect device reliability.

Table 16: Absolute Maximum Ratings

Parameter

Description

Min

Max

Unit

VDDA, VDD3P3, VDD3P3_RTC,

VDD3P3_CPU, VDD_SDIO1

Allowed input voltage

–0.3

3.6

Ioutput2

Cumulative IO output current

—

1100

TST ORE

Storage temperature

–40

°C

1 For IO’s power domain, please see ESP32 Series Datasheet > Appendix IO MUX.

2 The product proved to be fully functional after all its IO pins were pulled high while being connected

to ground for 24 consecutive hours at ambient temperature of 25 °C.

5.2

Recommended Power Supply Characteristics

Table 17: Recommended Power Supply Characteristics

Parameter

Description

Min

Typ

Max

Unit

VDDA, VDD3P3,

VDD3P3_RTC1, VDD_SDIO2

Recommended input voltage

3.0

3.3

3.6

VDD3P3_CPU

Recommended input voltage

1.8

3.3

3.6

IV DD

Cumulative input current

0.5

—

Operating ambient temperature

–40

—

°C

1 When writing eFuse, VDD3P3_RTC should be at least 3.3 V.

2 VDD_SDIO:

• VDD_SDIO is powered by VDD3P3_RTC via 6 Ω resistor for 3.3 V flash/PSRAM, therefore, there will be

some voltage drop from VDD3P3_RTC.

• VDD_SDIO can also be driven by an external power supply.

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