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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： | 3/27页 |
| 文件大小： | 435K |
| 代理商： | L6227Q |
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L6227Q
Circuit description
11/27
4.2
Logic inputs
Pins IN1A, IN2B, IN1B and IN2B are TTL/CMOS and microcontroller compatible logic inputs.
The internal structure is shown in Figure 6. Typical value for turn-on and turn-off thresholds
are respectively Vthon = 1.8 V and Vthoff = 1.3 V.
Pins ENA and ENB have identical input structure with the exception that the drains of the
Overcurrent and thermal protection MOSFETs (one for the bridge A and one for the
bridge B) are also connected to these pins. Due to these connections some care needs to
be taken in driving these pins. The ENA and ENB inputs may be driven in one of two
the driver is a standard push-pull structure the resistor R
EN and the capacitor CEN are
connected as shown in Figure 8. The resistor R
EN should be chosen in the range from
2.2 k
to 180 k. Recommended values for R
EN and CEN are respectively 100 k and 5.6 nF.
More information on selecting the values is found in the overcurrent protection section.
Figure 6.
Logic inputs internal structure
Figure 7.
ENA and ENB pins open collector driving
Figure 8.
ENA and ENB pins push-pull driving
5V
D01IN1329
ESD
PROTECTION
5V
OPEN
COLLECTOR
OUTPUT
REN
CEN
EN
D01IN1330
ESD
PROTECTION
5V
PUSH-PULL
OUTPUT
REN
CEN
EN
D01IN1331
ESD
PROTECTION
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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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