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参数资料
| 型号： | L6227Q |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 2.8 A, QCC32 |
| 封装： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件页数： | 11/27页 |
| 文件大小： | 435K |
| 代理商： | L6227Q |
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L6227Q
Application information
19/27
5
Application information
A typical application using L6227Q is shown in Figure 18. Typical component values for the
application are shown in Table 8. A high quality ceramic capacitor in the range of 100 to
200 nF should be placed between the power pins (VSA and VSB) and ground near the
L6227Q to improve the high frequency filtering on the power supply and reduce high
frequency transients generated by the switching. The capacitors connected from the ENA
and ENB inputs to ground set the shut down time for the bridge A and bridge B respectively
when an over current is detected (see overcurrent protection). The two current sensing
inputs (SENSEA and SENSEB) should be connected to the sensing resistors with a trace
length as short as possible in the layout. The sense resistors should be non-inductive
resistors to minimize the dI/dt transients across the resistor. To increase noise immunity,
unused logic pins (except ENA and ENB) are best connected to 5 V (high logic level) or GND
(low logic level) (see pin description). It is recommended to keep power ground and signal
ground separated on PCB.
Table 8.
Component values for typical application
Component
Value
C1
100
F
C2
100 nF
CA
1 nF
CB
1 nF
CBOOT
220 nF
CP
10 nF
CENA
5.6 nF
CENB
5.6 nF
CREFA
68 nF
CREFB
68 nF
D1
1N4148
D2
1N4148
RA
39 k
RB
39 k
RENA
100 k
RENB
100 k
RSENSEA
0.6
RSENSEB
0.6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6227Q_09 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:DMOS dual full bridge driver with PWM current controller |
| L6227QTR | 功能描述:功率驱动器IC DMOS DUAL FULL Bridge w/ PWM RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| L6228 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:DMOS DRIVER FOR BIPOLAR STEPPER MOTOR |
| L6228D | 功能描述:马达/运动/点火控制器和驱动器 DMOS Stepper Motor RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| L6228DTR | 功能描述:马达/运动/点火控制器和驱动器 DMOS Stepper Motor RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
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