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MCT8317A Datasheet(PDF) 91 Page - Texas Instruments

Part # MCT8317A
Description  MCT8317A High Speed Sensorless Trapezoidal Control Integrated FET BLDC Driver
PDF  161 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

MCT8317A Datasheet(HTML) 91 Page - Texas Instruments

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8.7.1.6 CLOSED_LOOP3 Register (Offset = 8Ah) [Reset = 000000A0h]
CLOSED_LOOP3 is shown in Figure 8-54 and described in Table 8-16.
Return to the Table 8-9.
Register to configure close loop settings3
Figure 8-54. CLOSED_LOOP3 Register
31
30
29
28
27
26
25
24
PARITY
INTEG_CYCL_THR_LOW
INTEG_CYCL_THR_HIGH
INTEG_DUTY_THR_LOW
INTEG_DUTY_
THR_HIGH
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
23
22
21
20
19
18
17
16
INTEG_DUTY_
THR_HIGH
BEMF_THRESHOLD2
BEMF_THRES
HOLD1
R/W-0h
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
BEMF_THRESHOLD1
DYN_DGS_FILT_COUNT
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
DYN_DGS_UPPER_LIM
DYN_DGS_LOWER_LIM
DEGAUSS_MAX_WIN
DYN_DEGAUS
S_EN
R/W-2h
R/W-2h
R/W-0h
R/W-0h
Table 8-16. CLOSED_LOOP3 Register Field Descriptions
Bit
Field
Type
Reset
Description
31
PARITY
R/W
0h
Parity bit
30-29
INTEG_CYCL_THR_LOW R/W
0h
Number of BEMF samples per 30° below which commutation method
switches from integration to ZC
0h = 3
1h = 4
2h = 6
3h = 8
28-27
INTEG_CYCL_THR_HIG
H
R/W
0h
Number of BEMF samples per 30° above which commutation
method switches from ZC to integration
0h = 4
1h = 6
2h = 8
3h = 10
26-25
INTEG_DUTY_THR_LOW R/W
0h
Duty cycle below which commutation method switches from
integration to ZC
0h = 12 %
1h = 15 %
2h = 18 %
3h = 20 %
24-23
INTEG_DUTY_THR_HIG
H
R/W
0h
Duty cycle above which commutation method switches from ZC to
integration
0h = 12 %
1h = 15 %
2h = 18 %
3h = 20 %
www.ti.com
MCT8317A
SLLSFQ2 – JANUARY 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: MCT8317A



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