ACT88430 datasheet(27/74 Pages) QORVO

27 / 74 page

Data Sheet Rev. G, August 2021 | Subject to change without notice

27 of 74

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ACT88430

Advanced PMU for Microcontrollers and Solid State Drive Applications

I2C INTERFACE ELECTRICAL CHARACTERISTICS

(VIO_IN = 1.8V, TA = 25°C, unless otherwise specified.)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SCL, SDA Input Low

VIO_IN = 1.8V

0.4

SCL, SDA Input High

VIO_IN = 1.8V

1.25

SCL, SDA Input Low

VIO_IN = 3.3V

1.0

SCL, SDA Input High

VIO_IN = 3.3V

2.3

SDA Leakage Current

SDA = 5V

µA

SDA Output Low

IOL = 5mA

0.35

SCL Clock Frequency, fSCL

1000

kHz

SCL Low Period, tLOW

0.5

µs

SCL High Period, tHIGH

0.26

µs

SDA Data Setup Time, tSU

SDA Data Hold Time, tHD

(Note1)

Start Setup Time, tST

For Start Condition

260

Stop Setup Time, tSP

For Stop Condition

260

Capacitance on SCL or SDA Pin

SDA Fall Time SDA, Tof

Device requirement

120

Pulse Width of spikes must be suppressed on SCL and SDA

Note1: Comply to I2C timings for 1MHz operation - “Fast Mode Plus”.

Note2: No internal timeout for I2C operations, however, I2C communication state machine will be reset when entering RESET, IDLE, OVUVFLT, and

THERMAL states to clear any transactions that may have been occurring when entering the above states.

Note3: This is an I2C system specification only. Rise and fall time of SCL & SDA not controlled by the device.

Note4: Device Address is 7’h5A

Figure 3: I2C Data Transfer

SDA

SCL

tST

tSU

tHD

tSP

tSCL

Start

condition

Stop

condition

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