LB11847 Datasheet, PDF (5/16 Pages) Sanyo Semicon Device – PWM Current Control Type Stepping Motor Driver

LB11847
Pin Function
Pin number Pin name
1
MD
2
V_REF1
13
V_REF2
3
CR1
12
CR2
4
E1
11
E2
5
DECAY1
10
DECAY2
6
7
8
9
14
15
27
16
26
17
22, 23
24, 25
21, 20
19, 18
28
OUT_A
OUT_A
OUT_B
OUT_B
V_BB
GND
PHASE1
PHASE2
ENABLE1
ENABLE2
I_A4, I_A3
I_A2, I_A1
I_B4, I_B3
I_B2, I_B1
V_CC
Function description
Sets the OFF time for FAST mode and SLOW mode in MIX DECAY
Setting input range: 4V to 1.5V
Output set current reference supply pins
Setting voltage range: 0V to 3V
Output OFF time setting pins for switching operation
Pins for controlling the set current with sensing resistor RE
SLOW mode/FAST mode selector pins
SLOW DECAY: H
FAST DECAY: L
Output pins
Output stage supply voltage pin
Ground pin
Output phase selector input pins
Output ON/OFF setting input pins
Output set current digital input pins
15-stage voltage setting
Logic block supply voltage pin
Pin Assignment
28 27 26 25 24 23 22 21 20 19 18 17 16 15
LB11847
1234
5
678
9 10 11 12 13 14
Top view
A12533
No. 6183-5/16