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MCT8316Z Datasheet(PDF) 21 Page - Texas Instruments

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Part # MCT8316Z
Description  MCT8316Z Sensored Trapezoidal Integrated FET BLDC Motor Driver
PDF  91 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

MCT8316Z Datasheet(HTML) 21 Page - Texas Instruments

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Table 8-2. PWM_MODE Configuration (continued)
MODE Type
MODE Pin (Hardware
Variant)
Hall Configuration
Modulation
ASR and AAR Mode
Mode 2
Connected to AGND with
RMODE1
Digital Hall Input
Asynchronous
ASR and AAR Disabled
Mode 3
Connected to AGND with
RMODE2
Analog Hall Input
Synchronous
ASR and AAR Disabled
Mode 4
Hi-Z
Digital Hall Input
Synchronous
ASR and AAR Disabled
Mode 5
Connected to AVDD with
RMODE2
Analog Hall Input
Synchronous
ASR and AAR Enabled
Mode 6
Connected to AVDD with
RMODE1
Digital Hall Input
Synchronous
ASR and AAR Enabled
Mode 7
Connected to AVDD
Digital Hall Input
Synchronous
ASR and AAR Enabled
Note
Texas Instruments does not recommend changing the MODE pin or MODE register during operation
of the power MOSFETs. Set all INHx and INLx pins to logic low before changing the MODE pin or
MODE register. Set PWM to a low level before changing the MODE pin or MODE register.
8.3.2.1 Analog Hall Input Configuration
Figure 8-3 shows the connection of Analog Hall inputs to the driver. Analog hall elements are fed to the hall
comparators, which zero crossing is used to generate the commutation logic.
OUTA
OUTB
OUTC
HNB
HPB
HNA
HPA
HNC
HPC
Hall B
Hall C
Hall A
(Optional)
(Optional)
(Optional)
DIR
BRAKE
PWM
MCT8316Z
MCU_PWM
MCU_GPIO
MCU_GPIO
Analog Hall
Comparator Input
Figure 8-3. 1x PWM Mode with Analog Hall Input
Note
Texas Instruments recommends motor direction (DIR) change when the motor is stationary.
www.ti.com
MCT8316Z
SLVSF18 – MARCH 2021
Copyright © 2021 Texas Instruments Incorporated
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