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参数资料
| 型号： | L6228QTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, QCC32 |
| 封装： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件页数： | 29/32页 |
| 文件大小： | 491K |
| 代理商： | L6228QTR |
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Pin connection
L6228Q
6/32
Doc ID 14321 Rev 4
Table 4.
Pin description
N°
Pin
Type
Function
1, 21
GND
Ground terminals.
9OUT1B
Power output Bridge B output 1.
11
RCB
RC pin
RC network pin. A parallel RC network connected between this pin and
ground sets the current controller OFF-time of the bridge B.
12
SENSEB
Power supply
Bridge B source pin. This pin must be connected to power ground through a
sensing power resistor.
13
VREFB
Analog input
Bridge B current controller reference voltage.
Do not leave this pin open or connected to GND.
14
HALF/FULL
Logic input
Step mode selector. HIGH logic level sets HALF STEP mode, LOW logic level
sets FULL STEP mode.
If not used, it has to be connected to GND or +5 V.
15
CONTROL
Logic input
Decay mode selector. HIGH logic level sets SLOW DECAY mode. LOW logic
level sets FAST DECAY mode.
If not used, it has to be connected to GND or +5 V.
16
EN
Logic input (1)
Chip enable. LOW logic level switches OFF all power MOSFETs of both
bridge A and bridge B. This pin is also connected to the collector of the
overcurrent and thermal protection to implement over current protection.
If not used, it has to be connected to +5 V through a resistor.
17
VBOOT
Supply
voltage
Bootstrap voltage needed for driving the upper power MOSFETs of both
bridge A and bridge B.
19
OUT2B
Power output Bridge B output 2.
20
VSB
Power supply
Bridge B power supply voltage. It must be connected to the supply voltage
together with pin VSA
22
VSA
Power supply
Bridge A power supply voltage. It must be connected to the supply voltage
together with pin VSB
23
OUT2A
Power output Bridge A output 2.
24
VCP
Output
Charge pump oscillator output.
25
RESET
Logic input
Reset pin. LOW logic level restores the home state (state 1) on the phase
sequence generator state machine.
If not used, it has to be connected to +5 V.
26
VREFA
Analog Input
Bridge A current controller reference voltage.
Do not leave this pin open or connected to GND.
27
CLOCK
Logic input
Step clock input. The state machine makes one step on each rising edge.
28
CW/CCW
Logic input
Selects the direction of the rotation. HIGH logic level sets clockwise direction,
whereas LOW logic level sets counterclockwise direction.
If not used, it has to be connected to GND or +5 V.
29
SENSEA
Power supply
Bridge A source pin. This pin must be connected to power ground through a
sensing power resistor.
30
RCA
RC pin
RC network pin. A parallel RC network connected between this pin and
ground sets the current controller OFF-time of the bridge A.
31
OUT1A
Power output Bridge A output 1.
1.
Also connected at the output drain of the over current and thermal protection MOSFET. Therefore, it has to be driven
putting in series a resistor with a value in the range of 2.2 k
Ω - 180 kΩ, recommended 100 kΩ
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| L6229 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR |
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| L6229DPTR | 功能描述:马达/运动/点火控制器和驱动器 3-Phase DC 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 |
| L6229DTR | 功能描述:马达/运动/点火控制器和驱动器 3-Phase DC 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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