MCT8316Z datasheet(3/100 Pages) TI

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5 Device Comparison Table

DEVICE

PACKAGES

INTERFACE

BUCK REGULATOR

MCT8316ZR-Q1

40-pin VQFN (7x5 mm)

SPI

Yes

MCT8316ZT-Q1

Hardware

Table 5-1. MCT8316ZR-Q1 (SPI variant) vs. MCT8316ZT-Q1 (Hardware variant) configuration comparison

Parameters

MCT8316ZR-Q1 (SPI variant)

MCT8316ZT-Q1 (Hardware variant)

PWM control mode settings

PWM_MODE (4 settings)

MODE pin (7 settings)

Slew rate settings

SLEW (4 settings)

SLEW pin (4 settings)

Direction settings

DIR (2 settings)

DIR pin (2 settings)

DRVOFF pin configuration

DRV_OFF (2 settings)

Enabled

Current limit threshold

ILIMIT pin: AVDD/2 to AVDD/2-0.4V

Current limit configuration

ILIM_RECIR (2 settings),

PWM_100_DUTY_SEL

Recirculation fixed to Brake mode and PWM

frequency for 100% duty fixed to 20 kHz

CSA GAIN

CSA_GAIN (4 settings)

Fixed to 0.15 V/A

Lead angle settings

ADVANCE_LVL (8 settings)

ADVANCE pin (7 settings)

Buck enable

BUCK_DIS (2 settings)

Enabled

Buck threshold

BUCK_SEL(4 settings)

VSEL_BK pin (4 settings)

Buck configuration: power sequencing,

current limit and slew rate

BUCK_PS_DIS (2 settings) and BUCK_CL(2

settings)

Power sequencing enabled, current limit: 600

mA and slew rate: 1000 V/us

FGOUT configuration

FGOUT_SEL (4 settings)

Fixed to 3x commutation frequency

Motor lock configuration: mode, detection and

retry timing

MTR_LOCK_MODE (4 settings),

MTR_LOCK_TDET (4 settings),

MTR_LOCK_RETRY (2 settings)

Enabled with latched shutdown mode and

detection time of 1000 ms

Active demagnetization

EN_AAR (2 settings) and EN_ASR (2

settings)

MODE pin (7 settings)

OCP configuration: Mode,

OCP_MODE (4 settings) , OCP_LVL (4

settings) ,OCP_DEG (4 settings) and

OCP_RETRY (2 settings)

Enabled with latched shutdown mode, level is

fixed to 16A with 0.6 us deglitch time

Overvoltage protection configuration

OVP_EN (2 settings) , OVP_SEL (2 settings)

Enabled and level is fixed to 34V (typ)

Driver delay compensation configuration

DLYCMP_EN (2 settings), DLY_TARGET (16

settings)

Disabled

SDO pin configuration

SDO_MODE (2 settings)

SPI fault configuration

SPI_PARITY(2 settings), SPI_SCLK_FLT(2

settings), SPI_ADDR_FLT(2 settings)

www.ti.com

MCT8316Z-Q1

SLVSGO3 – DECEMBER 2021

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