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MSA240KC PDF预览

MSA240KC

更新时间： 2024-01-05 00:39:44
品牌 Logo 应用领域
凌云 - CIRRUS /
页数 文件大小 规格书
5页 424K
描述
Analog Circuit, 1 Func, DIP-58

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中文翻译

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MSA240KC 技术参数

生命周期：Transferred零件包装代码：DMA
包装说明：,针数：58
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.09其他特性：ALSO REQUIRES 3V TO 100V SUPPLY
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-XDMA-T58
JESD-609代码：e3功能数量：1
端子数量：58最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装形状：RECTANGULAR封装形式：MICROELECTRONIC ASSEMBLY
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
最大供电电压 (Vsup)：16 V最小供电电压 (Vsup)：14 V
标称供电电压 (Vsup)：15 V表面贴装：NO
温度等级：INDUSTRIAL端子面层：TIN
端子形式：THROUGH-HOLE端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

MSA240KC 数据手册

 浏览型号MSA240KC的Datasheet PDF文件第2页浏览型号MSA240KC的Datasheet PDF文件第3页浏览型号MSA240KC的Datasheet PDF文件第4页浏览型号MSA240KC的Datasheet PDF文件第5页 
MSA240
ProductInnova ti o From  
Pulse Width Modulation Amplifiers  
FEATURES  
• LOW COST  
• HIGH VOLTAGE - 100 VOLTS  
• HIGH OUTPUT CURRENT - 20 AMPS  
• 2kW OUTPUT CAPABILITY  
• VARIABLE SWITCHING FREQUENCY  
APPLICATIONS  
• BRUSH MOTOR CONTROL  
• MRI  
• MAGNETIC BEARINGS  
• CLASS D SWITCHMODE AMPLIFIER  
58-PIN DIP  
PACKAGE STYLE KC  
TYPICAL APPLICATION  
SINGLE POINT GND @ 26  
28  
AC  
2,18,26  
23  
58  
20  
1
SIG DIG PWR  
GND RET GND  
CLK/2 OUT  
IN  
DESCRIPTION  
BACK  
PLATE  
R
RAMP  
R
RAMP  
The MSA240 is a surface mount constructed PWM amplifier  
that provides a cost effective solution in many industrial applica-  
tions. The MSA240 offers outstanding performance that rivals  
many much more expensive hybrid components. The MSA240  
is a complete PWM amplifier including an oscillator, comparator,  
error amplifier, current limit comparators, 5V reference, a smart  
controllerandafullbridgeoutputcircuit.Theswitchingfrequency  
is user programmable up to 50 kHz. The MSA240 is built on a  
thermally conductive but electrically insulating substrate that  
can be mounted to a heatsink.  
35-39  
49-53  
24  
22  
19  
13  
A OUT  
CLK OUT  
R
OSC  
R
OSC  
PWM AMPLIFIER  
+5V REF OUT  
+IN  
E/A OUT  
17  
16  
B OUT  
E/A -IN  
15 E/A +IN  
Is B  
54-57  
Is A  
40-43  
CONTROL  
SIGNAL  
2.5V  
A1  
EQUIVALENT CIRCUIT DIAGRAM  
Rs A  
Rs B  
VCC  
29  
5V REF  
19  
2.5V  
OUT  
5V  
SIGNAL  
GND  
REF  
26  
18  
2
30-34  
44-48  
TORQUE MOTOR CONTROL  
SIGNAL  
GND  
+Vs  
+Vs  
SIGNAL  
GND  
With the addition of a few external components the MSA240  
becomes a motor torque controller. In the MSA240 the source  
terminal of each low side MOSFET driver is brought out for  
current sensing via RSA and RSB.A1 is a differential amplifier  
that amplifies the difference in currents of the two half bridges.  
This signal is fed into the internal error amplifier that mixes the  
current signal and the control signal. The result is an input  
signal to the MSA240 that controls the torque on the motor.  
200mV  
DIGITAL  
RETURN  
23  
7
+
1K  
-
ILIM  
B
Q1  
Q3  
Q2  
.01F  
1K  
+
-
35-39  
ILIM A/SHDN  
ROSC  
10  
22  
A OUT  
SMART  
CONTROLLER  
2.68K  
.01F  
D1  
OSC  
2200pF  
49-53  
CLK OUT  
24  
17  
16  
15  
13  
1
B OUT  
EXTERNAL CONNECTIONS  
E/A OUT  
E/A -IN  
E/A +IN  
+IN  
D2  
Q4  
54-57  
-
I SENSE B  
I SENSE A  
+
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28  
R2  
R3  
40-43  
RRAMP  
+
-
SINGLE  
5.36K  
POINT  
GND  
RRAMP IN  
VIEW FROM  
COMPONENT SIDE  
ROSC  
2200pF  
CLK/2 OUT  
CLK IN  
20  
21  
28  
27  
58  
CLK/2  
C1  
C2  
C3  
+
AC BACK  
PLATE  
BACK PLATE  
1F  
58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29  
APEX TP  
PWR  
GND  
I
B
B OUT  
+Vs  
I
A
A OUT  
+Vs  
VCC  
SENSE  
SENSE  
PWR  
GND  
NOTES: C2 IS ELECTROLYTIC ≥10UF PER AMP OUTPUT CURRENT  
C1,3 HIGH QUALITY CERAMIC ≥1.0UF  
ALL +Vs MUST BE TIED TOGETHER  
ALL SIG GND PINS MUST BE TIED TOGETHER  
SINGLE POINT GROUND @ PIN 26  
Copyright © Cirrus Logic, Inc. 2009  
(All Rights Reserved)  
MAY 2009  
APEX − MSA240UREVD  
http://www.cirrus.com  
12345

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