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参数资料
| 型号： | A4987SESTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC STEPPER MOTOR DRIVER 24QFN |
| 特色产品： | A498x Motor Driver Family |
| 标准包装： | 1 |
| 应用： | PWM 电机驱动器，步进电机驱动器 |
| 评估套件： | 可供 |
| 输出数： | 1 |
| 电流 - 输出： | ± 1A |
| 电压 - 负载： | 8 V ~ 35 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： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 标准包装 |
| 其它名称： | 620-1404-6 |
A4987
DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
Pin-out Diagrams
ES Package
LP Package
CP1 1
CP2 2
VCP 3
24 GND
23 PH2
22 OUT2B
OUT2B
PH2
1
2
18 OUT1B
17 PH1
VREG 4
IN02 5
21 VBB2
20 SENSE2
GND
CP1
CP2
VCP
3
4
5
6
PAD
16 GND
15 REF
14 IN01
13 VDD
IN12 6
IN11 7
ROSC 8
SLEEP 9
PAD
19 OUT2A
18 OUT1A
17 SENSE1
16 VBB1
Terminal List Table
Number
VDD 10
IN01 11
REF 12
15 OUT1B
14 PH1
13 GND
Name
ES
LP
Description
CP1
CP2
PH1
PH2
GND
IN02
IN12
NC
OUT1A
OUT1B
OUT2A
OUT2B
REF
IN11
ROSC
SENSE1
SENSE2
ˉSˉ ˉLˉ ˉEˉ ˉEˉ ˉPˉ
IN01
VBB1
VBB2
VCP
VDD
VREG
PAD
4
5
17
2
3, 16
8
9
–
21
18
22
1
15
10
11
20
23
12
14
19
24
6
13
7
–
1
2
14
23
13, 24
5
6
–
18
15
19
22
12
7
8
17
20
9
11
16
21
3
10
4
–
Charge pump capacitor terminal
Charge pump capacitor terminal
Logic input
Logic input
Ground*
Logic input
Logic input
No connection
DMOS Full Bridge 1 Output A
DMOS Full Bridge 1 Output B
DMOS Full Bridge 2 Output A
DMOS Full Bridge 2 Output B
G m reference voltage input
Logic input
Timing set
Sense resistor terminal for Bridge 1
Sense resistor terminal for Bridge 2
Logic input
Logic input
Load supply
Load supply
Reservoir capacitor terminal
Logic supply
Regulator decoupling terminal
Exposed pad for enhanced thermal dissipation*
*The GND pins must be tied together externally by connecting to the PAD ground plane under the device.
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
14
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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相关代理商/技术参数 |
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| A4987SLPTR | 制造商:Allegro MicroSystems LLC 功能描述:DMOS Dual Full-Bridge PWM Motor Driver |
| A4987SLPTR-T | 功能描述:IC STEPPER MOTOR DRIVER 24TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:步进电机驱动器，1-2 相，2 相 评估套件:- 输出数:1 电流 - 输出:800mA 电压 - 负载:10 V ~ 28 V 电源电压:4.75 V ~ 5.25 V 工作温度:-20°C ~ 90°C 安装类型:表面贴装 封装/外壳:28-SOP + 2 翼片裸露焊盘 供应商设备封装:28-HSOPHC（15.2x7.9） 包装:剪切带 (CT) 其它名称:869-1268-1 |
| A4988 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:DMOS Microstepping Driver with Translator And Overcurrent Protection |
| A4988_V4 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:DMOS Microstepping Driver with Translator And Overcurrent Protection |
| A4988SETTR | 制造商:Allegro MicroSystems LLC 功能描述:DMOS Microstepping Driver |
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