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PBL3771QN PDF预览

PBL3771QN

更新时间： 2024-11-07 22:21:55
品牌 Logo 应用领域
爱立信 - ERICSSON 驱动器电机
页数 文件大小 规格书
8页 157K
描述
Precision Stepper Motor Driver

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中文翻译

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PBL3771QN 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QLCC包装说明：QCCJ, LDCC28,.5SQ
针数：28Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.92模拟集成电路 - 其他类型：STEPPER MOTOR CONTROLLER
JESD-30 代码：S-PQCC-J28JESD-609代码：e0
长度：11.505 mm功能数量：1
端子数量：28最高工作温度：70 °C
最低工作温度：最大输出电流：0.7 A
封装主体材料：PLASTIC/EPOXY封装代码：QCCJ
封装等效代码：LDCC28,.5SQ封装形状：SQUARE
封装形式：CHIP CARRIER电源：5,10/40 V
认证状态：Not Qualified座面最大高度：4.57 mm
子类别：Motion Control Electronics最大供电电流 (Isup)：50 mA
最大供电电压 (Vsup)：5.25 V最小供电电压 (Vsup)：4.75 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：BIPOLAR温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
宽度：11.505 mmBase Number Matches：1

PBL3771QN 数据手册

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February 1999  
PBL 3771/1  
Precision Stepper Motor Driver  
Description  
Key Features  
The PBL 3771/1 is a switch-mode, constant-current driver IC (chopper) with two  
channels, one for each winding of a two-phase stepper motor. The circuit is especially  
developed for use in microstepping applications in conjunction with the matching dual  
DAC (Digital-to-Analog Converter) PBM 3960. A complete driver system consists of  
these two ICs, a few passive components and a microprocessor for generation of the  
proper control and data codes required for microstepping.  
•
Dual chopper driver in a single  
package.  
•
•
650 mA output current per channel.  
Close matching between channels for  
high microstepping accuracy.  
The PBL 3771/1 contains a clock oscillator, which is common for both driver  
channels; a set of comparators and flip-flops implementing the switching control; and  
two H-bridges with internal recirculation diodes. Voltage supply requirements are +5 V  
for logic and +10 to +45 V for the motor. Maximum output current is 650 mA per  
channel.  
•
Selectable slow/fast current decay for  
improved high-speed microstepping.  
•
•
Improved low-level linearity.  
Specially matched to Dual DAC  
PBM 3960.  
A special logic function is used to select slow or fast current decay in the output  
stage for improved high-speed microstepping.  
The close match between the two driver channels guarantees consistent output  
current ratios and motor positioning accuracy.  
•
Selection of packages, 22-pin  
“batwing” DIP, 24 pin "batwing" SOIC  
or 28-lead PLCC with lead-frame for  
heat-sinking through PC board  
copper.  
E
Phase  
CD  
V
C
1
1
1
1
R1  
PBL 3771/1  
PBL 31/1  
–
+
V
V
CC  
Q
CC  
R
S
M
M
A1  
B1  
+
–
Logic  
PBL  
3771/1  
V
MM1  
MM2  
+
–
V
M
M
B2  
A2  
–
+
Logic  
RC  
S
R
Q
+
–
PBL 3771/1  
E
Phase  
CD  
V
C
GND  
2
2
2
2
R2  
28-pin PLCC package  
22-pin plastic DIP package  
24-pin SO package  
Figure 1. Block diagram.  
1
12345678

中文翻译

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