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參數(shù)資料
| 型號： | L6208D |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | FULLY INTEGRATED STEPPER MOTOR DRIVER |
| 中文描述： | 完全集成的步進(jìn)電機(jī)驅(qū)動器 |
| 文件頁數(shù)： | 21/27頁 |
| 文件大?。?/td> | 453K |
| 代理商： | L6208D |
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L6208
Figure 26. IC Power Dissipation versus Output Current in WAVE Mode (full step one phase on).
Figure 27. IC Power Dissipation versus Output Current in MICROSTEPPING Mode.
Thermal Management
In most applications the power dissipation in the IC is the main factor that sets the maximum current that can
be delivered by the device in a safe operating condition. Therefore, it has to be taken into account very carefully.
Besides the available space on the PCB, the right package should be chosen considering the power dissipation.
Heat sinking can be achieved using copper on the PCB with proper area and thickness. Figures 28, 29 and 30
show the Junction-to-Ambient Thermal Resistance values for the PowerSO36, PowerDIP24 and SO24 packag-
es.
For instance, using a PowerSO package with copper slug soldered on a 1.5mm copper thickness FR4 board
with 6cm
2
dissipating footprint (copper thickness of 35μm), the R
th(j-amb)
is about 35°C/W. Fig. 31 shows mount-
ing methods for this package. Using a multi-layer board with vias to a ground plane, thermal impedance can be
reduced down to 15°C/W.
No PWM
f
SW
= 30 kHz (slow decay)
Test Conditions:
Supply Voltage = 24V
I
A
I
B
I
OUT
I
OUT
WAVE DRIVE
0
0.5
1
1.5
2
2.5
3
0
2
4
6
8
10
P
D
[W]
I
OUT
[A]
f
SW
= 50 k
Hz (slow decay)
f
SW
= 30 k
Hz (slow decay)
I
A
I
B
I
OUT
I
OUT
MICROSTEPPING
0
0.5
1
1.5
2
2.5
3
0
2
4
6
8
10
P
D
[W]
I
OUT
[A]
Test Conditions:
Supply Voltage = 24V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6208N | FULLY INTEGRATED STEPPER MOTOR DRIVER |
| L6208PD | FULLY INTEGRATED STEPPER MOTOR DRIVER |
| L6210 | DUAL SCHOTTKY DIODE BRIDGE |
| L6213 | SOLENOID DRIVER SWITCH MODE POWER SUPPLY |
| L6220N | Quad Darlington Switches(四通道達(dá)林頓晶體管開關(guān)) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6208D | 制造商:STMicroelectronics 功能描述:Supply Voltage Max.:52V |
| L6208D013TR | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6208D013TR-CUT TAPE | 制造商:ST 功能描述:L6208 Series Dual 52 V 5.6 A DMOS Driver for Bipolar Stepper Motor - SOIC-24 |
| L6208N | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6208PD | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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