MCT8316AV datasheet(3/179 Pages) TI

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5 Device Comparison Table

DEVICE

PACKAGES

INTERFACE

BUCK REGULATOR

MCT8316AV

40-pin VQFN (7x5 mm)

I2C

Yes

MCT8316AT

Hardware

Table 5-1. MCT8316AV (I2C variant) vs MCT8316AT (Hardware variant) configuration comparison

Parameter

MCT8316AV (I2C variant)

MCT8316AT (Hardware variant)

Initial Speed Detect (ISD) Parameters

ISD Enable

ISD_EN (2 settings)

Enable

Brake Enable

BRAKE_EN (2 settings)

Disable

Hi-Z Enable

HIZ_EN (2 settings)

Disable

Reverse Drive Enable

RVS_DR_EN (2 settings)

Enable

Resynchronization Enable

RESYNC_EN (2 settings)

Enable

Stationary Brake Enable

STAT_BRK_EN (2 settings)

Enable

Stationary Detect Threshold

STAT_DETECT_THR (8 settings)

25-mV

Brake Mode

BRK_MODE(2 settings)

Low side

Brake Configuration

BRK_CONFIG (2 settings)

N/A since BRAKE_EN is set to Disable

Brake Current Threshold

BRK_CURR_THR (8 settings)

Brake Time

BRK_TIME (16 settings)

Hi-Z Time

HIZ_TIME (16 settings)

N/A since HIZ_EN is set to Disable

Stationary Brake Time

STARTUP_BRK_TIME (8 settings)

RMP_1, RMP_2 pins (12 settings)

Motor Start-up Parameters

Start-up Method

MTR_STARTUP (4 settings)

RMP_1 pin (2 settings)

Align Ramp Rate

ALIGN_RAMP_RATE (16 settings)

RMP_1, RMP_2 pins (4 settings)

Align Time

ALIGN_TIME (16 settings)

RMP_1, RMP_2 pins (16 settings)

Align Duty

ALIGN_DUTY (8 settings)

20%

Align Current Threshold

ALIGN_CURR_THR (16 settings)

ILIMIT_1, ILIMIT_2 pins (7 settings)

IPD Clock Frequency

IPD_CLK_FREQ (8 settings)

CONFIG_1 pin (4 settings)

IPD Current Threshold

IPD_CURR_THR (16 settings)

ILIMIT_1, ILIMIT_2 pins (7 settings)

IPD Release Mode

IPD_RLS_MODE (2 settings)

Tristate

IPD Advance Angle

IPD_ADV_ANGLE (4 settings)

30o

IPD Repeat Times

IPD_REPEAT (4 settings)

RMP_1, RMP_2 pins (2 settings)

First Cycle Frequency

SLOW_FIRST_CYC_FREQ (16 settings)

RMP_1, RMP_2 pins (18 settings)

Open Loop Parameters

Open Loop Current Limit Configuration

OL_ILIMIT_CONFIG (2 settings)

Open loop current limit defined by OL_ILIMIT

Open Loop Duty Cycle

OL_DUTY (8 settings)

RMP_1, RMP_2 pins (4 settings)

Open Loop Current Limit

OL_ILIMIT (16 settings)

ILIMIT_1, ILIMIT_2 pins (7 settings)

Open Loop Acceleration A1

OL_ACC_A1 (32 settings)

RMP_1, RMP_2 pins (16 settings)

Open Loop Acceleration A2

OL_ACC_A2 (32 settings)

Same value as OL_ACC_A1

Open to Closed Loop Handoff Threshold

OPN_CL_HANDOFF_THR (32 settings)

RMP_1, RMP_2 pins (2 settings)

Auto Handoff

AUTO_HANDOFF (2 settings)

RMP_1, RMP_2 pins (2 settings)

First Cycle Frequency Select

FIRST_CYCLE_FREQ_SEL (2 settings)

Defined by SLOW_FIRST_CYC_FREQ

Minimum Duty

MIN_DUTY (16 settings)

CONFIG_3 pin (4 settings)

Closed Loop Parameters

Commutation Type

COMM_CONTROL (2 options)

120o commutation

Closed Loop Acceleration Rate

CL_ACC (32 settings)

RMP_1, RMP_2 pins (16 settings)

Closed Loop Deceleration Rate

CL_DEC (32 settings)

Same value as CL_ACC

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MCT8316A

SLLSFH8A – AUGUST 2021 – REVISED DECEMBER 2021

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