参数资料
型号: A4979GLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/44页
文件大小: 0K
描述: IC MOTOR DRVR MICRO STEP 28TSSOP
特色产品: A4979 Series
标准包装: 1
应用: 直流电机驱动器,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: 1.5A
电压 - 负载: 7 V ~ 50 V
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 标准包装
其它名称: 620-1463-6
A4979
Microstepping Programmable Stepper Motor Driver
With Stall Detect and Short Circuit Protection
Functional Block Diagram
3 .3 V
OSC
VREG
CP1
CP2
VDD
Oscillator
Regulator
Charge
VCP
Pump
REF
DAC
REF
6-bit
DAC
+
SENSA
-
DMOS Full Bridge
VBBA
VBB
OAP
STEP
DIR
MS1
MS0
PWM
Control
OAM
RESETn
ENABLE
System
Control
and
Registers
Bridge
Control
Logic
Gate
Drive
DMOS Full Bridge
SENSA
VBB
SDI
SDO
SCK
STRn
PWM
VBBB
REF
Control
OBP
OBM
6-bit
DAC
+
-
SENSB
SENSB
Undervoltage, Cold Warning,
DIAG
Hot Warning, Overtemperature
Short Detect, Open Load Detect
Stall Detect
A G N D
PAD
P G N D
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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