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參數(shù)資料
| 型號： | L6226N |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DMOS DUAL FULL BRIDGE DRIVER |
| 中文描述： | 偶的DMOS全橋驅(qū)動器 |
| 文件頁數(shù)： | 14/22頁 |
| 文件大?。?/td> | 404K |
| 代理商： | L6226N |
L6226
14/22
PARALLELED OPERATION
The outputs of the L6226 can be paralleled to increase the output current capability or reduce the power dissi-
pation in the device at a given current level. It must be noted, however, that the internal wire bond connections
from the die to the power or sense pins of the package must carry current in both of the associated half bridges.
When the two halves of one full bridge (for example OUT1
A
and OUT2
A
) are connected in parallel, the peak
current rating is not increased since the total current must still flow through one bond wire on the power supply
or sense pin. In addition the over current detection senses the sum of the current in the upper devices of each
bridge (A or B) so connecting the two halves of one bridge in parallel does not increase the over current detec-
tion threshold.
For most applications the recommended configuration is Half Bridge 1 of Bridge A paralleled with the Half Bridge
1 of the Bridge B, and the same for the Half Bridges 2 as shown in Figure 13. The current in the two devices
connected in parallel will share very well since the R
DS(ON)
of the devices on the same die is well matched.
When connected in this configuration the over current detection circuit, which senses the current in each bridge
(A and B), will sense the current in upper devices connected in parallel independently and the sense circuit with
the lowest threshold will trip first. With the enables connected in parallel, the first detection of an over current in
either upper DMOS device will turn of both bridges. Assuming that the two DMOS devices share the current
equally, the resulting over current detection threshold will be twice the minimum threshold set by the resistors
R
CLA
or R
CLB
in figure 13. It is recommended to use R
CLA
= R
CLB
.
In this configuration the resulting Bridge has the following characteristics.
- Equivalent Device: FULL BRIDGE
- R
DS(ON)
0.37
Typ. Value @ T
J
= 25°C
- 2.8A max RMS Load Current
- 5.6A max OCD Threshold
Figure 13. Parallel connection for higher current
C
P
VBOOT
C
BOOT
R
P
D
2
D
1
C
2
OUT1
A
LOAD
OCD
A
EN
A
OCD
B
EN
B
1
5
21
18
19
8
16
OUT2
A
GND
GND
GND
GND
PROGCL
A
OUT2
B
OUT1
B
VS
A
VS
B
POWER
GROUND
-
SIGNAL
GROUND
+
VS
8-52V
DC
4
VCP
C
1
SENSE
A
20
IN2
IN1
A
IN2
B
12
6
7
9
R
EN
EN
23
IN1
B
11
IN2
A
IN1
2
14
24
17
3
15
22
SENSE
B
R
CLA
10
C
EN
PROGCL
B
13
R
CLB
D02IN1364
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6226PD | DMOS DUAL FULL BRIDGE DRIVER |
| L6228 | DMOS DRIVER FOR BIPOLAR STEPPER MOTOR |
| L6228D | DMOS DRIVER FOR BIPOLAR STEPPER MOTOR |
| L6228N | DMOS DRIVER FOR BIPOLAR STEPPER MOTOR |
| L6228PD | DMOS DRIVER FOR BIPOLAR STEPPER MOTOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6226PD | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6226PDTR | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6226Q | 功能描述:功率驅(qū)動器IC DMOS Full Bridge Driver 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L6226Q_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DMOS dual full bridge driver |
| L6226QTR | 功能描述:功率驅(qū)動器IC DMOS Full Bridge Driver 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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