参数资料
型号: A3972SB
厂商: Allegro Microsystems Inc
文件页数: 6/11页
文件大小: 0K
描述: IC MOTOR DRIVER PWM DUAL 24-DIP
标准包装: 15
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±1.5A
电压 - 负载: 15 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: 24-DIP(0.300",7.62mm)
供应商设备封装: 24-DIP
包装: 管件
A3972
Dual DMOS Full-Bridge
Microstepping PWM Motor Driver
FUNCTIONAL DESCRIPTION
Serial Interface. The A3972SB is controlled via a 3-wire
(clock, data, strobe) serial port. The programmable functions
D13 Bridge 1 Phase. This bit controls the direction of output
current for Load 1.
allow maximum ? exibility in con ? guring the PWM to the motor
drive requirements. The serial data is written as two
19-bit words: 1 bit to select the word and 18 bits of data. The
serial data is clocked in starting with D18.
D13 OUT 1A
0 L
1 H
OUT 1B
H
L
Word 0 Bit Assignments
Bit Function
D0 Word select = 0
D1 Bridge 1, DAC, LSB
D2 Bridge 1, DAC, bit 2
D14 Bridge 2 Phase. This bit controls the direction of output
current for Load 2.
D14 OUT 2A OUT 2B
0 L H
1 H L
D3
D4
Bridge 1, DAC, bit 3
Bridge 1, DAC, bit 4
D15 Bridge 1 Mode.
D5
D6
D7
D8
D9
D10
D11
D12
D13
Bridge 1, DAC, bit 5
Bridge 1, DAC, MSB
Bridge 2, DAC, LSB
Bridge 2, DAC, bit 2
Bridge 2, DAC, bit 3
Bridge 2, DAC, bit 4
Bridge 2, DAC, bit 5
Bridge 2, DAC, MSB
Bridge 1 phase
D15
0
1
D16 Bridge 2 Mode.
D16
0
1
Mode
Mixed-decay
Slow-decay
Mode
Mixed-decay
Slow-decay
D14
D15
D16
D17
D18
Bridge 2 phase
Bridge 1 mode
Bridge 2 mode
REF select
Range select
D17 REF Select. This bit determines the reference input for
the 6-bit linear DACs.
D17 Reference Voltage
0 Internal 2 V
1 External (3 V max)
D1 – D6 Bridge 1 Linear DAC. Six-bit word sets desired
current level for Bridge 1. Setting all six bits to zero disables
Bridge 1, with all drivers off (See current regulation section of
D18 G m Range Select. This bit determines the scaling factor
(4 or 8) used.
functional description).
D7 – D12 Bridge 2 Linear DAC. Six-bit word sets desired
current level for Bridge 2. Setting all six bits to zero disables
D18
0
1
Divider
1/8
1/4
Load Current
I TRIP = V DAC /8R S
I TRIP = V DAC /4R S
Bridge 2, with all drivers off (See current regulation section of
functional description).
continued next page ...
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6
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A3972SB-T 功能描述:IC MOTOR DRIVER PWM DUAL 24-DIP 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:直流电机驱动器,步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP(0.295",7.50mm 宽) 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR
A3973KB 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:DUAL FULL BRIDGE PROTECTED MOTOR DRIVER
A3973SB 功能描述:IC MOTOR DRIVER PWM DUAL 24-DIP RoHS:否 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:直流电机驱动器,步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP(0.295",7.50mm 宽) 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR
A3973SB-T 功能描述:IC MOTOR DRIVER PWM DUAL 24-DIP 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:直流电机驱动器,步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP(0.295",7.50mm 宽) 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR
A3973SLB 功能描述:IC MOTOR DRIVER PWM DUAL 24SOIC RoHS:否 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:直流电机驱动器,步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP(0.295",7.50mm 宽) 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR