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參數(shù)資料
| 型號： | L6228QTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, QCC32 |
| 封裝： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件頁數(shù)： | 16/32頁 |
| 文件大?。?/td> | 491K |
| 代理商： | L6228QTR |
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L6228Q
Application information
Doc ID 14321 Rev 4
23/32
5
Application information
A typical bipolar stepper motor driver application using L6228Q is shown in Figure 25.
Typical component values for the application are shown in Table 7. 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 L6228Q to improve the high frequency filtering on the power
supply and reduce high frequency transients generated by the switching. The capacitor
connected from the EN input to ground sets the shut down time 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
EN) 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 7.
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
CEN
5.6 nF
CREF
68 nF
D1
1N4148
D2
1N4148
RA
39 k
Ω
RB
39 k
Ω
REN
100 k
Ω
RSENSEA
0.6
Ω
RSENSEB
0.6
Ω
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|---|---|
| L6229 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DMOS DRIVER FOR THREE-PHASE BRUSHLESS DC MOTOR |
| L6229D | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 3-Phase DC 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6229DP | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 3-Phase DC 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6229DPTR | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 3-Phase DC 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6229DTR | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 3-Phase DC 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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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