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MCT8316AT Datasheet(PDF) 71 Page - Texas Instruments

Part # MCT8316AT
Description  MCT8316A High Speed Sensorless Trapezoidal Control Integrated FET BLDC Driver
PDF  179 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

MCT8316AT Datasheet(HTML) 71 Page - Texas Instruments

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Phase A
Voltage
FG_SEL = 00
FG_SEL = 01
Open Loop
Close Loop
Phase A
Voltage
FG_SEL
= 10
Open Loop
Close Loop
Open Loop
Close Loop
Startup after power on or wake up from
sleep or standby mode
Rest of startups
Figure 8-46. FG Behavior During Open Loop
8.3.21 Protections
The MCT8316A is protected from a host of fault events including motor lock, VM undervoltage, AVDD
undervoltage, buck undervoltage, charge pump undervoltage, overtemperature and overcurrent events. Table
8-18 summarizes the response, recovery modes, power stage status, reporting mechanism for different faults.
Table 8-18. Fault Action and Response
FAULT
CONDITION
CONFIGURATION
REPORT
H-BRIDGE
LOGIC
RECOVERY
VM undervoltage
(NPOR)
VVM < VUVLO
—
—
Hi-Z
Disabled
Automatic:
VVM > VUVLO
AVDD undervoltage
(NPOR)
VAVDD < VAVDD_UV
—
—
Hi-Z
Disabled
Automatic:
VAVDD > VAVDD_UV
Buck undervoltage
(BUCK_UV)
VFB_BK < VBK_UV
—
—
Hi-Z
Disabled
Automatic:
VFB_BK > VBK_UV
Charge pump
undervoltage
(VCP_UV)
VCP < VCPUV
—
nFAULT and
GATE_DRIVER_FA
ULT_STATUS
register
Hi-Z
Active
Automatic:
VVCP > VCPUV
www.ti.com
MCT8316A
SLLSFH8A – AUGUST 2021 – REVISED DECEMBER 2021
Copyright © 2022 Texas Instruments Incorporated
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Product Folder Links: MCT8316A



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