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A3958SLB

更新时间： 2024-11-29 22:25:07
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
12页 177K
描述
DMOS FULL-BRIDGE PWM MOTOR DRIVER

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中文翻译

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A3958SLB 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP24,.4
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84Is Samacsys：N
模拟集成电路 - 其他类型：BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码：R-PDSO-G24
JESD-609代码：e0长度：15.4 mm
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：2 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP24,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：240电源：5,20/50 V
认证状态：Not Qualified座面最大高度：2.65 mm
子类别：Motion Control Electronics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：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：7.5 mmBase Number Matches：1

A3958SLB 数据手册

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3958  
DMOS FULL-BRIDGE PWM  
MOTOR DRIVER  
Designed for pulse-width modulated (PWM) current control of dc  
motors, the A3958SB and A3958SLB are capable of continuous output  
currents to 2 A and operating voltages to 50 V. Internal fixed off-  
time PWM current-control timing circuitry can be programmed via a  
serial interface to operate in slow, fast, and mixed current-decay  
modes.  
A3958SLB  
CP  
VREG  
24  
23  
22  
1
2
3
4
CP2  
CP1  
RANGE  
NO  
NC  
CONNECTION  
θ
PHASE and ENABLE input terminals are provided for use in  
controlling the speed and direction of a dc motor with externally  
applied PWM-control signals. The ENABLE input can be  
programmed via the serial port to PWM the bridge in fast or slow  
current decay. Internal synchronous rectification control circuitry is  
provided to reduce power dissipation during PWM operation.  
PHASE  
OSC  
21 OUT  
B
V
BB 20 LOAD SUPPLY  
5
6
7
8
GROUND  
19  
18  
GROUND  
GROUND  
SENSE  
GROUND  
LOGIC SUPPLY  
V
CC  
17  
16  
9
ENABLE  
DATA  
OUT  
A
Internal circuit protection includes thermal shutdown with  
hysteresis, and crossover-current protection. Special power-up  
sequencing is not required.  
NO  
NC  
15  
14  
13  
10  
CONNECTION  
MODE  
CLOCK  
11  
12  
÷
REF  
The A3958SB/SLB is supplied in a choice of two power  
packages, a 24-pin plastic DIP with a copper batwing tab (package  
suffix ‘B’), and a 24-lead plastic SOIC with a copper batwing tab  
(package suffix ‘LB’). In both cases, the power tab is at ground  
potential and needs no electrical isolation.  
STROBE  
Dwg. PP-069  
Note that the A3958SLB(SOIC) and A3958SB  
(DIP) do not share a common terminal  
assignment.  
FEATURES  
ABSOLUTE MAXIMUM RATINGS  
I
2 A, 50 V Continuous Output Rating  
Load Supply Voltage, VBB .................. 50 V  
Output Current, IOUT........................ 2.0 A  
Logic Supply Voltage, VDD ................ 7.0 V  
Input Voltage, VIN .... -0.3 V to VDD + 0.3 V  
Sense Voltage, VS ............................ 0.5 V  
Reference Voltage, VREF .................. 2.7 V  
Package Power Dissipation (TA = 25°C), PD  
A3958SB ................................. 3.1 W*  
A3958SLB ............................... 2.2 W*  
Operating Temperature Range,  
I Low rDS(on) Outputs (270 mΩ, Typical)  
I Programmable Mixed, Fast, and Slow Current-Decay Modes  
I Serial Interface Controls Chip Functions  
I Synchronous Rectification for Low Power Dissipation  
I Internal UVLO and Thermal-Shutdown Circuitry  
I Crossover-Current Protection  
TA ............................... -20°C to +85°C  
Junction Temperature,  
TJ ............................................ +150°C  
Storage Temperature Range,  
TS ............................. -55°C to +150°C  
Always order by complete part number:  
Output current rating may be limited by duty cycle,  
ambient temperature, and heat sinking. Under any  
set of conditions, do not exceed the specified  
current rating or a junction temperature of 150°C.  
Part Number  
A3958SB  
Package  
RθJA  
RθJT  
24-pin batwing DIP  
24-lead batwing SOIC  
40°C/W  
56°C/W  
6°C/W  
6°C/W  
* Per SEMI G42-88 Specification.  
A3958SLB  
1234567...12

中文翻译

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A3958SLB 替代型号

型号 品牌 替代类型 描述 数据表
A3958SLBTR-T ALLEGRO

完全替代

 DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3958SLB-T ALLEGRO

完全替代

 DMOS FULL-BRIDGE PWM MOTOR DRIVER

与A3958SLB相关器件

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A3958SLB-T ALLEGRO

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 		DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3958SLBTR ALLEGRO

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 		DMOS Full-Bridge PWM Motor Driver
A3958SLBTR-T ALLEGRO

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 		DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3958SLB-TTR ALLEGRO

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 		Brushless DC Motor Controller, 2A, NMOS, PDSO24, LEAD FREE, BATWING, PLASTIC, SOIC-24
A3959 ALLEGRO

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 		DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3959SB ALLEGRO

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 		DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3959SB-T ALLEGRO

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 		DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3959SLB ALLEGRO

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 		DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3959SLB-T ALLEGRO

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 		DMOS FULL-BRIDGE PWM MOTOR DRIVER
A3959SLBTR-T ALLEGRO

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 		Stepper Motor Controller, 6A, NMOS, PDSO24, LEAD FREE, MS-013AD, SOIC-24

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