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MCT8316Z Datasheet(PDF) 21 Page - Texas Instruments

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Part # MCT8316Z
Description  MCT8316Z-Q1 Sensored Trapezoidal Integrated FET BLDC Motor Driver
PDF  100 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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The half-bridge output states are managed by the HPA, HNA, HPB, HNB, HPC and HNC pins in analog mode
and HPA, HPB, HPC in digital mode which are used as state logic inputs. The state inputs are the position
feedback of the BLDC motor. The 1x PWM mode usually operates with synchronous rectification (low-side
MOSFET recirculation); however, the mode can be configured to use asynchronous rectification (MOSFET body
diode freewheeling) as shown below
Table 8-2. PWM_MODE Configuration
MODE Type
MODE Pin (Hardware
Variant)
Hall Configuration
Modulation
ASR and AAR Mode
Mode 1
Connected to AGND
Analog Hall Input
Asynchronous
ASR and AAR Disabled
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
Note
Texas Instruments does not recommend changing the MODE pin or PWM_MODE register during
operation of the power MOSFETs. Set PWM to a low level before changing the MODE pin or
PWM_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.
www.ti.com
MCT8316Z-Q1
SLVSGO3 – DECEMBER 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: MCT8316Z-Q1



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