参数资料
型号: A3988SJP-T
厂商: Allegro Microsystems Inc
文件页数: 11/14页
文件大小: 0K
描述: IC MOTOR DVR PWM FULL BRG 48LQFP
标准包装: 1
应用: 直流电机驱动器,步进电机驱动器
输出数: 2 或 4
电流 - 输出: ±1.2A
电压 - 负载: 8 V ~ 36 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP 裸露焊盘
供应商设备封装: 48-LQFP 裸露焊盘(7x7)
包装: 管件
A3988
Package EV
Quad DMOS Full Bridge PWM Motor Driver
Pin-out Diagrams
Package JP
I13 37
I12 38
24
23
I14
NC
I12 28
I11 29
GND 30
VCP 31
CP1 32
PAD
18
17
16
15
14
PHASE1
PHASE2
GND
VREF4
VREF3
Packages are not to scale
I11 39
GND 40
NC 41
VCP 42
PAD
22
21
20
19
PHASE1
PHASE2
GND
VREF4
CP2 33
I01 34
I02 35
I03 36
13
12
11
10
VREF2
VREF1
VDD
PHASE3
CP1 43
CP2 44
I01 45
I02 46
18
17
16
15
VREF3
VREF2
VREF1
VDD
Terminal List Table
I03 47
I04 48
14
13
PHASE3
PHASE4
EV
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
Number
JP
3
4
5
6
8
9
10
13
14
15
16
17
18
19
20
21
22
24
27
28
29
31
32
33
34
37
38
39
40
42
43
44
45
46
47
48
1, 2, 7, 11,
12, 23, 25,
26, 30, 35,
36, 41
Pin Name
OUT1A
SENSE1
OUT1B
VBB1
OUT2B
SENSE2
OUT2A
PHASE4
PHASE3
VDD
VREF1
VREF2
VREF3
VREF4
GND
PHASE2
PHASE1
I14
OUT4A
SENSE4
OUT4B
VBB2
OUT3B
SENSE3
OUT3A
I13
I12
I11
GND
VCP
CP1
CP2
I01
I02
I03
I04
NC
PAD
Pin Description
DMOS Full-Bridge 1 Output A
Sense Resistor Terminal for Bridge 1
DMOS Full-Bridge 1 Output B
Load Supply Voltage
DMOS Full-Bridge 2 Output B
Sense Resistor Terminal for Bridge 2
DMOS Full-Bridge 2 Output A
Control Input
Control Input
Logic Supply Voltage
Analog Input
Analog Input
Analog Input
Analog Input
Ground
Control Input
Control Input
Control Input
DMOS Full-Bridge 4 Output A
Sense Resistor Terminal for Bridge 4
DMOS Full-Bridge 4 Output B
Load Supply Voltage
DMOS Full-Bridge 3 Output B
Sense Resistor Terminal for Bridge 3
DMOS Full-Bridge 3 Output A
Control Input
Control Input
Control Input
Ground
Reservoir Capacitor Terminal
Charge Pump Capacitor Terminal
Charge Pump Capacitor Terminal
Control Input
Control Input
Control Input
Control Input
No Connect
Exposed pad for enhanced thermal perfor-
mance. Should be soldered to the PCB.
Allegro MicroSystems, LLC
115 Northeast Cutoff
11
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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