MCT8316AV datasheet(4/179 Pages) TI

4 / 179 page

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

(continued)

Parameter

MCT8316AV (I2C variant)

MCT8316AT (Hardware variant)

PWM Switching Frequency

PWM_FREQ_OUT (32 settings)

CONFIG_1 pin (8 settings)

PWM Modulation

PWM_MODUL (3 settings)

Mixed modulation

PWM Mode

PWM_MODE (2 settings)

Single-ended mode

Lead Angle Polarity

LD_ANGLE_POLARITY

Positive

Lead Angle

LD_ANGLE( 256 settings)

LDANGLE pin (16 settings)

Dynamic Degauss Enable

DYN_DEGAUSS_EN (2 settings)

RMP_1, RMP_2 pins (2 settings)

BEMF Threshold

BEMF_THRESHOLD1 and

BEMF_THRESHOLD2 (64 settings)

LDANGLE pin (16 settings)

Fast Start-up Enable

INTEG_ZC_METHOD (2 settings)

RMP_1, RMP_2 pin (2 settings)

Speed/ Power Loop Enable

CLOSED_LOOP_MODE (4 settings)

Disable

Maximum Speed

MAX_SPEED (65536 settings)

N/A since CLOSED_LOOP_MODE is set to

Disable

Speed/ Power Loop Max. Duty Cycle

SPD_POWER_V_MAX (8 settings)

Speed/ Power Loop Min. Duty Cycle

SPD_POWER_V_MIN (8 settings)

Speed/ Power Loop Kp

SPD_POWER_KP (1024 settings)

Speed/ Power Loop Ki

SPD_POWER_KI (4096 settings)

Power Regulation Mode

CONST_POWER_MODE (4 settings)

Maximum Power

MAX_POWER (1024 settings)

Constant Power Limit Hysteresis

CONST_POWER_LIMIT_HYST (4 settings)

Fast Deceleration Enable

FAST_DECEL_EN (2 settings)

Disable

Fast Deceleration Current Limit

FAST_DECEL_CURR_LIM (16 settings)

N/A since FAST_DECEL_EN is set to Disable

Fast Deceleration Speed Delta

FAST_BRK_DELTA (8 settings)

Fast Deceleration Duty Threshold

FAST_DEC_DUTY_THR (8 settings)

Fast Deceleration Duty Window

FAST_DEC_DUTY_WIN (8 settings)

Dynamic Brake Current Limit Enable

DYNAMIC_BRK_CURR (2 settings)

Dynamic Brake Current Low Limit

DYN_BRK_CURR_LOW_LIM (16 settings)

FG Signal Configuration Parameters

FG Output Mode Select

FG_SEL (3 settings)

Output FG in open and closed loop

FG division factor

FG_DIV (16 settings)

Divide by 1 (2-pole motor)

FG Configuration

FG_CONFIG (2 settings)

FG active as long as motor is driven

FG BEMF Threshold

FG_BEMF_THR (8 settings)

N/A since FG_CONFIG is set to FG active as

long as motor is driven

Motor Stop Configuration Parameters

Motor Stop Method

MTR_STOP (5 settings)

Recirculation mode

Motor Brake Time

MTR_STOP_BRK_TIME (16 settings)

1000-ms

Active Spin-down Brake Duty Cycle

Threshold

ACT_SPIN_BRK_THR (8 settings)

N/A since MTR_STOP set to recirculation

mode

Brake Duty Threshold

BRAKE_DUTY_THRESHOLD (8 settings)

Immediate

AVS Enable

AVS_EN (2 settings)

Enable

Fault Protection Parameters

Cycle-by-Cycle(CBC) Current Limit

CBC_ILIMIT (16 settings)

ILIMIT_2 pin (7 settings)

CBC Current Limit Mode

CBC_ILIMIT_MODE (9 settings)

Auto recovery next PWM cycle; nFault active;

driver is in recirculation state

Lock Current Limit Mode

LOCK_ILIMIT_MODE (9 settings)

Disable

Lock Current Limit

LOCK_ILIMIT (16 settings)

N/A since LOCK_ILIMIT_MODE is set to

Disable

Lock Current Deglitch Time

LOCK_ILIMIT_DEG (16 settings)

MCT8316A

SLLSFH8A – AUGUST 2021 – REVISED DECEMBER 2021

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