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PBL3774QNS

更新时间: 2024-11-10 19:50:51
品牌 Logo 应用领域
爱立信 - ERICSSON 电动机控制
页数 文件大小 规格书
8页 132K
描述
Stepper Motor Controller, 1.2A, PQCC28, POWER, PLASTIC, LCC-28

PBL3774QNS 技术参数

生命周期:Obsolete零件包装代码:QLCC
包装说明:QCCJ,针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLERJESD-30 代码:S-PQCC-J28
长度:11.505 mm功能数量:1
端子数量:28最大输出电流:1.2 A
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装形状:SQUARE封装形式:CHIP CARRIER
认证状态:Not Qualified座面最大高度:4.57 mm
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
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD宽度:11.505 mm
Base Number Matches:1

PBL3774QNS 数据手册

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February 1999  
PBL 3774/1  
Dual Stepper Motor Driver  
Key Features  
Description  
Dual chopper driver in a single  
package.  
The PBL 3774/1 is a switch-mode (chopper), constant-current driver IC with two chan-  
nels, one for each winding of a two-phase stepper motor. The circuit is similar to  
Ericsson´s PBL 3771/1 and PBL 3772/1. While all Dual stepper motor drivers are  
optimized for microstepping applications, the PBL 3774/1 is equipped with a TTL level  
compatible Disable input to simplify half-stepping operation.  
Operation at -40 °C.  
1000 mA continuous output current  
per channel.  
The circuit is well suited for microstepping applications together with the matching  
dual DAC (Digital-to-Analog Converter) PBM 3960/1. 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.  
In full/halfstepping applications, Ericsson Component’s PBD 3517/1 can be used as  
a phase generator (translator) to derive the necessary signals for the PBL 3774/1.  
The PBL 3774/1 contains a clock oscillator, which is common for both driver  
channels, a set of comparators and flip-flops implementing the switching control, and  
two output H-bridges.  
Low power dissipation, 2.6 W at  
2 x 750 mA output current.  
Close matching between channels for  
high microstepping accuracy.  
Specially matched to the Dual DAC  
PBM 3960.  
Plastic 22-pin batwing DIP package  
or 28-pin power PLCC package with  
lead-frame for heatsinking through  
PC board copper.  
Voltage supply requirements are +5 V for logic and +10 to +45 V for the motor.  
The close match between the two driver channels guarantees consistent output  
current ratios and motor positioning accuracy.  
E
Phase  
Dis  
V
C
1
1
1
1
R1  
PBL  
PBL 3774/1  
3774/1  
V
V
CC  
CC  
Q
R
S
+
M
M
A1  
B1  
Logic  
V
V
MM1  
MM2  
+
PBL4/1  
M
M
B2  
A2  
Logic  
RC  
S
R
Q
+
28-pin PLCC package  
Dis  
E
2
Phase  
V
C
GND  
2
2
2
R2  
22-pin plastic DIL package  
Figure 1. Block diagram.  
1

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