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DRV8889-Q1 Datasheet(PDF) 48 Page - Texas Instruments

Part No. DRV8889-Q1
Description  DRV8889-Q1, DRV8889A-Q1 Automotive Stepper Driver with Integrated Current Sense, 1/256 Micro-Stepping, and Stall Detection
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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DRV8889-Q1 Datasheet(HTML) 48 Page - Texas Instruments

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Table 7-23. Control Registers Summary Table
Address
Register Name
Section
0x03
CTRL1
Go
0x04
CTRL2
Go
0x05
CTRL3
Go
0x06
CTRL4
Go
0x07
CTRL5
Go
0x08
CTRL6
Go
0x09
CTRL7
Go
7.6.6 CTRL1 Control Register (address = 0x03)
CTRL1 control is shown in Figure 7-36 and described in Table 7-24.
Read/Write
Figure 7-36. CTRL1 Control Register
7
6
5
4
3
2
1
0
TRQ_DAC [3:0]
RSVD
SLEW_RATE [1:0]
R/W-0000b
R/W-00b
R/W-00b
Table 7-24. CTRL1 Control Register Field Descriptions
Bit
Field
Type
Default
Description
7-4
TRQ_DAC [3:0]
R/W
0000b
0000b = 100%
0001b = 93.75%
0010b = 87.5%
0011b = 81.25%
0100b = 75%
0101b = 68.75%
0110b = 62.5%
0111b = 56.25%
1000b = 50%
1001b = 43.75%
1010b = 37.5%
1011b = 31.25%
1100b = 25%
1101b = 18.75%
1110b = 12.5%
1111b = 6.25%
3-2
RSVD
R/W
00b
Reserved
1-0
SLEW_RATE [1:0]
R/W
00b
00b = 10-V/µs
01b = 35-V/µs
10b = 50-V/µs
11b = 105-V/µs
7.6.7 CTRL2 Control Register (address = 0x04)
CTRL2 is shown in Figure 7-37 and Figure 7-38 and described in Table 7-25.
DRV8889-Q1
SLVSEE9C – APRIL 2020 – REVISED AUGUST 2020
www.ti.com
48
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Product Folder Links: DRV8889-Q1


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