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DRV8426PWPR Datasheet(PDF) 4 Page - Texas Instruments

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Part # DRV8426PWPR
Description  DRV8426 Stepper Driver With Integrated Current Sense, 1/256 Microstepping, STEP/DIR Interface and smart tune Technology
PDF  49 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

DRV8426PWPR Datasheet(HTML) 4 Page - Texas Instruments

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DRV8426
SLOSE55 – MAY 2020
www.ti.com
Product Folder Links: DRV8426
Submit Documentation Feedback
Copyright © 2020, Texas Instruments Incorporated
RGE Package
24-Pin VQFN with Exposed Thermal PAD
Top View
Table 2. Pin Functions
PIN
I/O
TYPE
DESCRIPTION
NAME
NO.
HTS
SOP
VQF
N
AOUT1
4, 5
3
O
Output
Winding A output. Connect to stepper motor winding.
AOUT2
6, 7
4
O
Output
Winding A output. Connect to stepper motor winding.
PGND
3, 12
2, 7
—
Power
Power ground. Connect to system ground.
BOUT2
8, 9
5
O
Output
Winding B output. Connect to stepper motor winding
BOUT1
10,
11
6
O
Output
Winding B output. Connect to stepper motor winding
CPH
28
23
—
Power
Charge pump switching node. Connect a X7R, 0.022-µF, VM-rated ceramic capacitor from
CPH to CPL.
CPL
27
22
DIR
24
19
I
Input
Direction input. Logic level sets the direction of stepping; internal pulldown resistor.
ENABLE
25
20
I
Input
Logic low to disable device outputs; logic high to enable; internal pullup to DVDD. Also
determines the type of OCP and OTSD response.
DVDD
15
10
Power
Logic supply voltage. Connect a X7R, 0.47-μF to 1-μF, 6.3-V or 10-V rated ceramic capacitor
to GND.
GND
14
9
—
Power
Device ground. Connect to system ground.
VREF
17
12
I
Input
Current set reference input. Maximum value 3.3 V for DRV8426. DVDD can be used to
provide VREF through a resistor divider.
M0
18
13
I
Input
Microstepping mode-setting pins. Sets the step mode; internal pulldown resistor.
M1
22
17
DECAY0
21
16
I
Input
Decay-mode setting pins. Sets the decay mode (see the Decay Modes section).
DECAY1
20
15



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