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參數(shù)資料
| 型號： | L6227Q |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 2.8 A, QCC32 |
| 封裝： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件頁數(shù)： | 11/27頁 |
| 文件大?。?/td> | 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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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6227Q_09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DMOS dual full bridge driver with PWM current controller |
| L6227QTR | 功能描述:功率驅(qū)動器IC DMOS DUAL FULL Bridge w/ PWM RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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| L6228D | 功能描述:馬達/運動/點火控制器和驅(qū)動器 DMOS Stepper Motor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6228DTR | 功能描述:馬達/運動/點火控制器和驅(qū)動器 DMOS Stepper Motor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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