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OM9373SP PDF预览

OM9373SP

更新时间: 2024-02-10 18:47:51
品牌 Logo 应用领域
英飞凌 - INFINEON 电机驱动
页数 文件大小 规格书
14页 151K
描述
FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR

OM9373SP 技术参数

生命周期:Transferred包装说明:PLASTIC, MP3-43L, 43 PIN
Reach Compliance Code:unknown风险等级:5.65
模拟集成电路 - 其他类型:BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码:R-PDFM-F43
功能数量:1端子数量:43
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:50 A封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
认证状态:Not Qualified最大供电电压 (Vsup):16.5 V
最小供电电压 (Vsup):13.5 V标称供电电压 (Vsup):15 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:FLAT端子位置:DUAL
Base Number Matches:1

OM9373SP 数据手册

 浏览型号OM9373SP的Datasheet PDF文件第4页浏览型号OM9373SP的Datasheet PDF文件第5页浏览型号OM9373SP的Datasheet PDF文件第6页浏览型号OM9373SP的Datasheet PDF文件第8页浏览型号OM9373SP的Datasheet PDF文件第9页浏览型号OM9373SP的Datasheet PDF文件第10页 
OM9373  
output of the current sense amplifier is fed into the  
error amplifier which is configured as a differential  
amplifier. An error signal representing the difference  
between the current command input and the value  
of the amplified current sense signal is produced.  
Then it is compared to a pulse width modulated  
ramp and since torque is nearly proportional to the  
average phase output current, the torque controlled  
via duty cycle control.  
Figure 3 represents the implementation of a typical  
current-mode controller for torque control. The load  
current is monitored via the controller’s internal sense  
resistor. The current sense signal is filtered and fed  
into the current sense amplifier where the absolute  
value of ISH-ISL is multiplied by two and biased up by  
2.5V. Besides the implementation of the cycle-by-  
cycle current limit/overcurrent protection feature of the  
OM9373 discussed in the preceding paragraph, the  
Fig 3: Implementation of a Current-Mode Controller  
CURRENT_COMMAND  
+15V  
10uF  
.1uF  
+
3.24k  
35.6k  
1
2
43  
V_MOTOR  
Vcc  
V_MOTOR  
EA1-  
3
42  
41  
EA2+  
PHASE_A_OUT  
PHASE_A_OUT  
1k  
OFFSET  
4
EA1+  
C_BUS  
C_FILT  
+
5
VREF  
6
40  
39  
EA2-  
SOURCE_A  
SOURCE_A  
7
EA2_OUT  
EA1_OUT  
PWM_IN  
OSCILLATOR  
I_SENSE  
ISH  
1800pF  
8
9
38  
V_MOTOR  
3.24k  
.26uF  
2k  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
37  
36  
PHASE_B_OUT  
PHASE_B_OUT  
MOTOR  
43k  
ISL  
35  
34  
QUAD_SEL  
TACH_OUT  
BRAKE  
SOURCE_B  
SOURCE_B  
.1uF  
10k  
.1uF  
33  
OV_COAST  
SOFT_START  
GROUND  
H3_HALL_INPUT  
H2_HALL_INPUT  
H1_HALL_INPUT  
SPEED_IN  
DIRECTION  
CSH  
V_MOTOR  
FROM MOTOR HALL SENSORS  
32  
31  
PHASE_C_OUT  
PHASE_C_OUT  
H3  
H2  
H1  
30  
29  
H1  
H2  
H3  
N/C  
SOURCE_C  
28  
27  
MOTOR_RETURN  
MOTOR_RETURN  
HALL SENSORS  
CSL  
4700pF  
232  
232  
www.irf.com  
7

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