MCT8317A datasheet(10/161 Pages) TI1

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TJ = –40°C to +150°C, VVM = 4.5 to 20 V (unless otherwise noted). Typical limits apply for TA = 25°C, VVM = 12 V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

STANDBY MODE

tEX_SB_DR_A

Time taken to drive motor after exiting

standby mode

SPD_CTRL_MODE = 00b (analog

mode)

VSPEED > VEN_SB, ISD detection disabled

tEX_SB_DR_P

Time taken to drive motor after exiting

standby mode

SPD_CTRL_MODE = 01b (PWM mode)

VSPEED > VIH, ISD detection disabled

tDET_SB_ANA Time needed to detect standby mode

SPD_CTRL_MODE = 00b (analog

mode)

VSPEED < VEN_SB

0.5

tEN_SB_PWM

Time needed to detect standby

command

SPD_CTRL_MODE = 01b (PWM mode)

or 11b (Freq mode)

VSPEED < VIL, SLEEP_TIME = 00b

0.035

0.05

0.065

SPD_CTRL_MODE = 01b (PWM mode)

or 11b (Freq mode)

VSPEED < VIL, SLEEP_TIME = 01b

0.14

0.2

0.26

SPD_CTRL_MODE = 01b (PWM mode)

or 11b (Freq mode)

VSPEED < VIL, SLEEP_TIME = 10b

SPD_CTRL_MODE = 01b (PWM mode)

or 11b (Freq mode)

VSPEED < VIL, SLEEP_TIME = 11b

140

200

260

tEN_SB_DIG

Time needed to detect standby mode

SPD_CTRL_MODE = 10b (I2C mode),

SPEED_CMD = 0

tEN_SB

Time needed to stop driving motor after

detecting standby command

VSPEED < VEN_SL (analog mode) or

VSPEED < VDIG_IL (PWM mode) or

SPEED_CMD = 0 (I2C mode)

LOGIC-LEVEL INPUTS (DIR, SPEED)

VIL

Input logic low voltage

AVDD = 3 to 3.6 V

0.25*AV

VIH

Input logic high voltage

AVDD = 3 to 3.6 V

0.65*AV

VHYS

Input hysteresis

110

400

IIL

Input logic low current

AVDD = 3 to 3.6 V

0.1

µA

IIH

Input logic high current

AVDD < VPIN

-5

µA

AVDD≥VPIN

-0.1

µA

RPD_SPEED

Input pulldown resistance

SPEED pin To GND

900

1000

1100

kΩ

OPEN-DRAIN OUTPUTS (nFAULT, FG, etc)

VOL

Output logic low voltage

IOD = -5 mA

0.4

IOZ

Output logic high current

VOD = 3.3 V

0.5

µA

I2C Serial Interface

VI2C_L

Low-level input voltage

-0.5

0.3*AVD

VI2C_H

High-level input voltage

0.7*AVD

VI2C_HYS

Hysteresis

0.05*AV

VI2C_OL

Low-level output voltage

open-drain at 2 mA sink current

0.4

II2C_OL

Low-level output current

VI2C_OL = 0.6V

II2C_IL

Input current on SDA and SCL

TJ = -40 to +150 ℃

-10

µA

Capacitance for SDA and SCL

tof

Output fall time from VI2C_H(min) to

VI2C_L(max)

Standard Mode

250

Fast Mode

250

MCT8317A

SLLSFQ2 – JANUARY 2023

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