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SLA7072M 数据表(PDF) 3 Page - Allegro MicroSystems

部件名 SLA7072M
功能描述  Motor Driver IC Family
Download  12 Pages
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制造商  ALLEGRO [Allegro MicroSystems]
网页  http://www.allegromicro.com
标志 ALLEGRO - Allegro MicroSystems

SLA7072M 数据表(HTML) 3 Page - Allegro MicroSystems

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SLA7070M, SLA7071M,
SLA7072M, and SLA7073M
Motor Driver ICs
3
www.allegromicro.com
For R products, protection circuits not built-in. FLAG pin is not connected internally.
FUNCTIONAL BLOCK DIAGRAM AND PIN ASSIGNMENTS
Sequencer
&
Sleep Circuit
Synchro
Control
PWM
Control
OSC
Comp
+
-
DAC
Pre-
Driver
PWM
Control
OSC
DAC
Pre-
Driver
Comp
+
-
MIC
Reg.
SenseB
SenseA
Gnd
Sync
RSInt
RSInt
1234
5
6789
10
11
12
13
14
15
16
17
18
19
20 21 22 23
Protect
Protect
Pin No.
Symbol
Functions
Pin No.
Symbol
Functions
1
OutA
Output of phase A
13
Ref / Sleep1
Input for control current and Sleep 1 setting
2
14
VDD
Power supply to logic
3
OutA
Output of phase A
¯
15
Reset
Reset for internal logic
4
16
F / R
Forward / reverse switch input
5
SenseA
Phase A current sensing
17
Sync
Synchronous PWM control switch input
6
NC
No internal connection
18
Flag*
Output from protection circuits monitor
7M1
Commutation and Sleep2 setting
19
SenseB
Phase B current sensing
8M2
20
OutB
Output of phase B
¯
9M3
21
10
Clock
Step clock input
22
OutB
Output of phase B
11
VBB
Main power supply (for motor)
23
12
GND
Ground
*Flag pin active on PR products only; not internally connected for R products.


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