LV8741V-TLM-E ON Semiconductor, LV8741V-TLM-E Datasheet - Page 24

• Manufacturer Part Number: LV8741V-TLM-E
• Description: Motor / Motion / Ignition Controllers & Drivers STEPPING MOTOR
• Manufacturer: ON Semiconductor

Specifications of LV8741V-TLM-E

• Motor Type: DC
• No. Of Outputs: 2
• Driver Case Style: SSOP
• No. Of Pins: 44
• Operating Temperature Range: -20°C To +85°C
• Svhc: No SVHC (20-Jun-2011)
• Base Number: 8741
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Details

• DC motor driver application circuit example
The setting conditions for the above circuit diagram example are as follows :
The current limit value is as follows :
•
•
•
•
Auto recovery-type output short-circuit protection function (EMM = Low)
Output enable function fixed to output ON state (OE = High)
Current limit reference voltage setting = 100% (ATT1 = Low, ATT2 = Low)
Chopping frequency : 37kHz (RCHOP = 43kΩ)
Ilimit = (VREF/3) /0.25Ω
43kΩ
0.1µF
0.1µF
0.1µF
-
-
+
+
Logic input
0.1µF
20kΩ
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
CP2
CP1
V CC
VREG5
ATT2
ATT1
NC
EMO
CEM
EMM
RCHOP
MONI
RST
STP/DC22
FR/DC21
MD2/DC12
NC
MD1/DC11
DM
OE
ST
VREF
LV8741V
OUT1A
OUT1B
OUT2A
OUT2B
PGND
GND
GND
GND
VM1
VM2
RF1
RF2
VM
VG
NC
NC
NC
NC
NC
NC
NC
NC
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
0.25Ω
0.25Ω
+ -
10µF
+
-
0.1µF
M
M
1ch
DC motor
2ch
DC motor
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