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A3992SLPTR-T PDF预览

A3992SLPTR-T

更新时间: 2024-01-26 05:41:55
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器运动控制电子器件信号电路光电二极管电动机控制电机
页数 文件大小 规格书
13页 477K
描述
DMOS Dual Full-Bridge Microstepping PWM Motor Driver

A3992SLPTR-T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:HTSSOP, TSSOP24,.25针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.13
Is Samacsys:N其他特性:ALSO REQUIRES 15V TO 50V VBB SUPPLY
模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLERJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:7.8 mm
湿度敏感等级:2功能数量:1
端子数量:24最高工作温度:85 °C
最低工作温度:-20 °C最大输出电流:1.5 A
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP24,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:50 V认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Motion Control Electronics
最大供电电流 (Isup):12 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:NMOS
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

A3992SLPTR-T 数据手册

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A3992  
DMOS Dual Full-Bridge Microstepping PWM Motor Driver  
Features and Benefits  
Description  
±1.5 A, 50 V continuous output rating  
Low RDS(on) DMOS output drivers  
Designed for pulse width modulated (PWM) current control of  
bipolar microstepped stepper motors, the A3992 is capable of  
continuous output currents to ±1.5 A and operating voltages to  
50 V. Internalfixedoff-timePWMcurrentcontroltimingcircuitry  
can be programmed via the serial interface to operate in slow, fast,  
or mixed decay modes.  
Short-to-ground protection  
Shorted load protection  
Optimized microstepping via six bit linear DACs  
Programmable mixed, fast, and slow current decay modes  
4 MHz internal oscillator for digital timing  
Serial interface controls chip functions  
Synchronous rectification for low power dissipation  
Internal UVLO and thermal shutdown circuitry  
Crossover-current protection  
The desired load current level is set via the serial port with two  
six bit linear DACs in conjunction with a reference voltage. The  
six bits of control allow maximum flexibility in torque control for  
a variety of step methods, from microstepping to full step drive.  
Load current is set in 1.56% increments of the maximum value.  
Inputs compatible with 5 or 3.3 V control signals  
Sleep and Idle modes  
Synchronousrectificationcircuitryallowstheloadcurrenttoflow  
through the low RDS(on) of the DMOS output driver during current  
decay. This feature eliminates the need for external clamp diodes  
in most applications, saving cost and external component count,  
while minimizing power dissipation.  
Packages  
24 pin batwing DIP (sufx B) and 24 pin TSSOP with  
exposed thermal pad (sufx LP)  
Internal circuit protection includes short-to-ground, shorted load,  
thermalshutdownwithhysteresis,andcrossovercurrentprotection.  
Special power up sequencing is not required.  
TheA3992 is supplied in a thin profile (1.2 mm maximum height)  
24 pin TSSOP (suffix LP) with exposed thermal pad and a 24 pin  
plasticDIPwithdualcopper batwingtabs(suffixB).Theexposed  
thermalpadontheLPisatgroundpotentialandneedsnoelectrical  
isolation. Both packages are lead (Pb) free with 100% matte tin  
leadframe plating.  
LP package approximate scale  
Typical Application  
0.22 μF  
VREG  
VDD  
0.22 μF  
CP1  
CP2  
VCP  
0.22 μF  
10 μF  
5 kΩ  
VBB1  
VBB2  
ROSC  
Microcontroller or  
Controller Logic  
A3992  
100 μF  
0.1 μF  
CLOCK  
DATA  
OUT1A  
OUT1B  
SENSE1  
STROBE  
REF  
OUT2A  
OUT2B  
SLEEP  
SENSE2  
0.1 μF  
3992DS  

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