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參數(shù)資料
| 型號： | L6223 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 6 A, PDIP20 |
| 封裝： | POWER, DIP-20 |
| 文件頁數(shù)： | 25/33頁 |
| 文件大?。?/td> | 3431K |
| 代理商： | L6223 |
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Figure 36: Peak transient Rth pulse width and Duty Cycle.
Notes on the p.c.b. design.
We recommend to observe the following layout
rules to avoid application problems associated
with ground loops and anomalous recirculation
currents. The by-pass capacitors for the power
and logic supply must to be kept as close to the
IC as possible.
It’s important to separate on the PCB board the
logic and the power grounds avoiding that
grounds traces of the logic signals cross the
ground traces of the power signals. The starpoint
grounding, the point of the board in which the
logic ground meets the power ground, should be
kept far enough away from where the power
ground traces terminate to ground (sense resis-
tors and protection zener diodes traces). This
avoids interference with the logic signals. Be-
cause the IC uses the board as a heatsink the
dissipating copper area must be sized in accord-
ance with the required value of Rthj-amb. It’s impor-
tant to provide a good filter for the logic supply,
especially for the resistor of the oscillator net-
work. In addition, the capacitor ground of the RC
network must be as clean as possible. When the
ground is used also to heatsink, it is helpful to
use either a polistyrin capacitor or one with a low
temperature coefficient. The value of the boot-
strap capacitor is not a critical parameter, never-
theless the use of a capacitor of 10nF
±20% is
recommended. A non-inductive resistor is the
best way to implement the sensing, but when that
is not possible, more metalfilm resistors of the
same value can be paralleled.
L6223
31/33
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6223A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| L6225 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DMOS DUAL FULL BRIDGE DRIVER |
| L6225_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DMOS DUAL FULL BRIDGE DRIVER |
| L6225D | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Dual Full Bridge 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 |
| L6225DTR | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Dual Full Bridge 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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