AP1034AEN Datasheet, PDF (5/25 Pages) Asahi Kasei Microsystems – Stepper Motor Driver IC equipped with Active Decay Control

[AP1034]
 Functions
Pin Name I/O
OUT2B O
ENABLEB I
GND
P
CL
I
CH
I
VG
O
Pin Number
24QFN 32QFN
1
1
2
5
3,16
6,19
4
7
5
8
6
9
Function
H-bridge 2 Output Terminal
Output Enable Terminal
Please refer to Section10.1.
Ground Terminal
Connect Terminal for Charge Pump Capacitor
Connect Terminal for Charge Pump Capacitor
Connect Terminal for Stabilizing Capacitor
VDC
O
7
10 Internal Regulator 4.5V Output Terminal
MODE1 I
8
11
Motor Excitation Mode Setting Terminal
Please refer to Section10.1.
MODE2 I
9
12
Motor Excitation Mode Setting Terminal
Please refer to Section10.1.
RESETB I
10
13
Reset Input Terminal
Please refer to Section10.1.
FS
I
11
14
Chopper Frequency Select Terminal
Please refer to Section10.1.
SLEEPB I
12
15
Sleep Mode Input Terminal
Please refer to Section10.1.
STEP
I
14
17
Step Input Terminal
Please refer to Section10.1.
VREF
I
15
18
Input Terminal of Reference Voltage of PWM
Constant Current Control
DIR
I
17
20
Motor Rotate Direction Setting Terminal
Please refer to Section10.1.
OUT1B O
18
24 H-bridge1 Output Terminal
H-bridge1 Power Supply Terminal
VM1
P
19
22 Please connect VM2 terminal in the system
board.
IS1
I
20
25 H-bridge1 Current Sense Terminal
OUT1A O
21
27 H-bridge1 Output Terminal
OUT2A O
22
30 H-bridge2 Output Terminal
IS2
I
23
32 H-bridge2 Current Sense Terminal
H-bridge2 Power Supply Terminal
VM2
P
24
3 Please connect VM1 terminal in the system
board.
2,4,16,2
NC
-
13
1,23,26, No Connection Terminal
28,29,31
Exposed
Pad
-
-
Ground Terminal
- Please connect GND terminal in the system
board.
Note 1. I (Input terminal), O (Output terminal), P (Power terminal)
Note
Not connect external
node
Built-in 100kΩ
pull-down
Built-in 50kΩ
pull-down
Built-in 100kΩ
pull-down
Built-in 100kΩ
pull-down
Built-in 100kΩ
pull-down
For heat dissipation
016003455-E-01
-5-
2016/06