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| 型号： | A4975SB-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC PWM MICROSTEP DVR FULL 16DIP |
| 特色产品： | A4975 Microstepping Drivers |
| 标准包装： | 7,500 |
| 应用： | PWM 电机驱动器，步进电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | 1.5A |
| 电压 - 负载： | 5 V ~ 50 V |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-DIP |
| 包装： | 管件 |
| 其它名称： | 620-1435-5 A4975SB-T-ND |
A4975
Full-Bridge PWM Microstepping Motor Driver
PFD
REF
1
2
V BB
16
15
LOAD
SUPPLY
OUTB
Note the A4975SB (DIP) and the A4975SLB
(SOIC) are electrically identical and share a
common terminal number assignment.
RC
GROUND
3
4
14
13
D0
GROUND
LOGIC
GROUND
5
12
GROUND
LOGIC
SUPPLY
PHASE
D2
6
7
8
V CC
11
10
9
SENSE
OUTA
D 1
Terminal Functions
Terminal
1
2
3
4-5
Name
PFD
REF
RC
GROUND
Description
(Percent Fast Decay) The analog input used to set the current-decay mode.
(V REF ) The voltage at this input (along with the value of R S and the states of DAC inputs
D 0 , D 1 , and D 2 ) set the peak output current.
The parallel combination of external resistor R T and capacitor C T set the off time for the
PWM current regulator. C T also sets the blanking time.
Return for the logic supply (V CC ) and load supply (V BB ); the reference for all voltage
measurements.
6
LOGIC SUPPLY (V CC ) Supply voltage for the logic circuitry. Typically = 5 V.
7
8
9
10
11
12-13
14
15
16
PHASE
D 2
D 1
OUT A
SENSE
GROUND
D 0
OUT B
LOAD SUPPLY
The PHASE input determines the direction of current in the load.
(DATA 2 ) One-of-three (MSB) control bits for the internal digital-to-analog converter.
(DATA 1 ) One-of-three control bits for the internal digital-to-analog converter.
One-of-two output load connections.
Connection to the sink-transistor emitters. Sense resistor R S is connected between this
point and ground.
Return for the logic supply (V CC ) and load supply (V BB ); the reference for all voltage
measurements.
(DATA 0 ) One-of-three (LSB) control bits for the internal digital-to-analog converter.
One-of-two output load connections.
(V BB ) Supply voltage for the load.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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| A4975SLBTR-T | 功能描述:IC PWM MICROSTEP DVR FULL 16SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 产品变化通告:ATA683(3,4)PLQW Obsolescence 09/Aug/2012 标准包装:1 系列:- 应用:DC 电机控制器，无刷（BLDC），3 相 评估套件:可供 输出数:1 电流 - 输出:100mA 电压 - 负载:5.25 V ~ 20 V 电源电压:5.25 V ~ 20 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-VQFN（7x7） 包装:剪切带 (CT) 其它名称:ATA6833-PLQWCT |
| A4979 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A4979 is a flexible microstepping motor driver with built-in translator for easy operation. |
| A4979GLPTR-T | 功能描述:IC MOTOR DRVR MICRO STEP 28TSSOP 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 |
| A4980 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A4980 is a flexible microstepping motor driver with built-in translator for easy operation. |
| A4980KLP-T | 制造商:Allegro MicroSystems LLC 功能描述: |
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