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MCT8317A Datasheet(PDF) 95 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) 95 Page - Texas Instruments

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8.7.1.7 CLOSED_LOOP4 Register (Offset = 8Ch) [Reset = 00000000h]
CLOSED_LOOP4 is shown in Figure 8-55 and described in Table 8-17.
Return to the Table 8-9.
Register to configure close loop settings4
Figure 8-55. CLOSED_LOOP4 Register
31
30
29
28
27
26
25
24
PARITY
DYN_VOLT_SC
ALING_EN
HIGH_RES_SA
MP
AVS_LIMIT_HY
ST
AVS_NEG_CURR_LIMIT
RESERVED
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
23
22
21
20
19
18
17
16
HYST_CURR_LIM_BAND
FAST_DEC_DEG_TIME
WCOMP_BLAN
K_EN
FAST_DEC_DUTY_WIN
R/W-0h
R/W-0h
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
FAST_DEC_DUTY_THR
DYN_BRK_CURR_LOW_LIM
DYNAMIC_BRK
_CURR
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
FAST_DECEL_
EN
FAST_DECEL_CURR_LIM
FAST_BRK_DELTA
R/W-0h
R/W-0h
R/W-0h
Table 8-17. CLOSED_LOOP4 Register Field Descriptions
Bit
Field
Type
Reset
Description
31
PARITY
R/W
0h
Parity bit
30
DYN_VOLT_SCALING_E
N
R/W
0h
Dynamic Voltage Scaling Enable
0h = Disable
1h = Enable
29
HIGH_RES_SAMP
R/W
0h
Sampling rate
0h = sampRate / 4
1h = sampRate / 8
28
AVS_LIMIT_HYST
R/W
0h
AVS current hysteresis (AVS positive current limit (A) =
((AVS_LIMIT_HYST + AVS_NEG_CURR_LIMIT) * 3 /4095) /
CSA_GAIN)
0h = 20
1h = 10
30-27
RESERVED
R/W
0h
Reserved
27-25
AVS_NEG_CURR_LIMIT
R/W
0h
AVS negative current limit (AVS negative current limit (A) =
(AVS_NEG_CURRENT_LIMIT * 3 /4095) / CSA_GAIN)
0h = 0
1h = -60
2h = -40
3h = -30
4h = -20
5h = -10
6h = 15
7h = 30
24
RESERVED
R/W
0h
Reserved
23-22
HYST_CURR_LIM_BAND R/W
0h
Hysteresis Band during Fast Decel( if AVS Disabled)
0h = 0
1h = 100mV
2h = 200mV
3h = 400mV
www.ti.com
MCT8317A
SLLSFQ2 – JANUARY 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: MCT8317A



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