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BC20

更新时间： 2024-11-26 19:19:51
品牌 Logo 应用领域
凌云 - CIRRUS 电动机控制
页数 文件大小 规格书
6页 73K
描述
Brushless DC Motor Controller, 40A, Hybrid

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BC20 技术参数

生命周期：Transferred包装说明：,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.23
Is Samacsys：N其他特性：IT CAN ALSO OPERATE FROM A 15V NOMINAL SUPPLY
模拟集成电路 - 其他类型：BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码：R-XDMA-P24
功能数量：1端子数量：24
最大输出电流：40 A封装主体材料：UNSPECIFIED
封装形状：RECTANGULAR封装形式：MICROELECTRONIC ASSEMBLY
认证状态：Not Qualified最大供电电压 (Vsup)：16 V
最小供电电压 (Vsup)：10.8 V标称供电电压 (Vsup)：12 V
表面贴装：NO技术：HYBRID
端子形式：PIN/PEG端子位置：DUAL
Base Number Matches：1

BC20 数据手册

 浏览型号BC20的Datasheet PDF文件第2页浏览型号BC20的Datasheet PDF文件第3页浏览型号BC20的Datasheet PDF文件第4页浏览型号BC20的Datasheet PDF文件第5页浏览型号BC20的Datasheet PDF文件第6页 
HIGH PERFORMANCE BRUSHLESS DC MOTOR DRIVER  
BC20 • BC20A  
M
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HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739  
FEATURES  
• 40V TO 450V MOTOR SUPPLY  
• 20A CONTINUOUS AND 40A PEAK OUTPUT CURRENT  
• OPERATION WITH 10.8V TO 16V VCC, ALLOWING  
NOMINAL 12V OR 15V VCC SUPPLIES  
• THREE PHASE FULL BRIDGE OPERATION WITH 2 OR  
4 QUADRANT PWM  
• AUTOMATIC BRAKING WHEN USING 2 QUADRANT PWM  
• THERMAL PROTECTION  
• ANTI SHOOT THROUGH DESIGN  
DESCRIPTION  
• 25KHZ INTERNALLY SET PWM FREQUENCY, WHICH MAY  
BE LOWERED WITH EXTERNAL CAPACITORS  
• SELECTABLE 60° OR 120° COMMUTATION SEQUENCES  
• COMMUTATION TRANSITIONS OUTPUT FOR DERIVING  
SPEED CONTROL  
The BC20 Brushless DC Motor Controller provides  
the necessary functions to control conventional 3-phase  
brushless DC motors in an open loop or closed loop  
system. The BC20 can control larger motors requiring up  
to 4.5kW input power.  
The controller drives the motor, generates the PWM,  
decodes the commutation patterns, multiplexes the current  
sense, and provides error amplification. Operation with  
either 60° or 120° commutation patterns may be selected  
with a logic input.  
Current sense multiplexing is used to make the current  
monitor output always proportional to the active motor  
coils current. Therefore the current monitor output may  
be used in generating transconductance drive for easy  
servo compensation.  
• MAY BE USED OPEN LOOP, OR WITHIN A  
FEEDBACK LOOP  
• ANALOG MOTOR CURRENT MONITOR OUTPUT, MAY BE  
USED FOR TORQUE CONTROL OR FOR TRANSCONDUC-  
TANCE AMPLIFIER DRIVE.  
APPLICATIONS  
• 3 PHASE BRUSHLESS MOTOR CONTROL  
Figure 1: Block diagram  
The controller may generate 4-quadrant PWM for  
applicationsrequiring  
2Q  
20  
VCC  
SSC  
18  
HV  
9
HV  
continuous transition  
through zero veloc-  
ity, or 2 quadrant  
PWM for electrically  
quieter operation in  
unidirectional appli-  
cations. Direction  
of rotation may be  
reversed in 2-quad-  
rant mode by using  
the reverse com-  
mand input. When in  
2-quadrant mode if  
the motor is stopped  
2
V+  
OE 19  
OUT 1  
10  
TOP DRIVE 1  
BOTTOM DRIVE 1  
1/2  
BRIDGE  
1
HS1  
HS2  
HS3  
6
7
8
S1  
13  
COMMUTATION  
DECODE  
LOGIC  
120 22  
21  
BRIDGE  
CONTROL  
LOGIC  
REV  
V+  
REF IN 23  
PWM  
COMPARATOR  
TOP DRIVE 2  
BOTTOM DRIVE 2  
OUT 2  
11  
+
1/2  
BRIDGE  
2
+
X10  
X10  
∑
∑
S2  
15  
PWM  
–
–
FB 24  
V+  
TEMP  
SENSING  
or  
decelerating  
dynamic braking is  
a u t o m a t i c a l l y  
applied. In this way  
deceleration profiles  
maybefollowedeven  
when using 2-quad-  
rant PWM.  
SHUTDOWN  
OVERTEMP  
OUT 3  
12  
TOP DRIVE 3  
1/2  
BRIDGE  
3
BOTTOM DRIVE 3  
S3  
14  
POWER  
FAULT  
LOGIC  
CURRENT  
SENSING  
SIGNAL  
OVERCURRENT  
PWM  
OSCILLATOR  
HV RTN  
16  
HV RTN  
CONDITIONING  
4
17  
5
3
GROUND  
1
CT  
TORQUE  
FAULT  
MOTOR I  
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.co1m  
123456

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