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LB1847 Datasheet(PDF) 5 Page - Sanyo Semicon Device

Part # LB1847
Description  PWM Current Control Type Stepping Motor Driver
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1847 Datasheet(HTML) 5 Page - Sanyo Semicon Device

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LB1847
No. 5982-5/16
Pin Assignment
Pin function
Pin number
Pin name
Function description
Sets the OFF time for FAST mode and SLOW mode in MIX DECAY
Setting input range: 4V to 1.5V
2
Output set current reference supply pin
13
Setting voltage range: 0V to 3V
3
CR1
12
CR2
4E1
11
E2
5
DECAY1
SLOW mode/FAST mode selector pin
10
DECAY2
SLOW DECAY: H
FAST DECAY: L
6
7
8
9
14
Output stage supply voltage pin
15
GND
Ground pin
27
PHASE1
16
PHASE2
26
ENABLE1
17
ENABLE2
22, 23
24, 25
Output set current digital input pin
21, 20
15-stage voltage setting
19, 18
28
Logic block supply voltage pin
1
M D
Output OFF time setting pin for switching operation
Pin for controlling the set current with sensing resistor RE
Output pin
Output phase selector input pin
Output ON/OFF setting input pin
VREF1
VREF2
OUTA
OUTA
OUTB
OUTB
VBB
IA4, IA3
IA2, IA1
IB4, IB3
IB2, IB1
VCC
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
LB1847
A11312
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