参数资料
型号: A4987SLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/17页
文件大小: 0K
描述: IC STEPPER MOTOR DRIVER 24TSSOP
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-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 24-TSSOP 裸露焊盘
包装: 标准包装
其它名称: 620-1345-6
A4987
DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
Functional Block Diagram
0.1 μ F
VREG
REGULATOR
CHARGE PUMP
0.1 μ F
OSC
0.22 μ F
DMOS FULL-BRIDGE 1
VBB1
To
V BB2
Sense2
DAC
OCP
OUT1A
V REF
OSC
PWM Latch
BLANKING
OUT1B
Mixed Decay
VDD
IN01
IN02
GATE
DRIVE
SENSE1
PH1
IN11
CONTROL
LOGIC
DMOS FULL-BRIDGE 2
VBB2
IN12
PH2
SLEEP
OCP
OUT2A
PWM Latch
BLANKING
OSC
V CP V REG
V REG
OUT2B
Mixed Decay
V REF
DAC
REF
V REF
Sense2
Sense2
SENSE2
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
3
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