參數資料
型號： L9942XPTR
廠商： STMICROELECTRONICS
元件分類： 運動控制電子
英文描述： STEPPER MOTOR CONTROLLER, 2.5 A, PDSO24
封裝： LEAD FREE, POWER, SSO-24
文件頁數： 30/40頁
文件大小： 664K
代理商： L9942XPTR
Appendix
L9942
Figure 16.
Reference Generation for PWM Control (Switch On)
Register 0
UP/Down
STEP
Count by
1,2,4,8
A0
A1
A2
A3
MUX
A0
A1
A2
0
0 1
23
01
23
01
2 3
Current-Profile Table
stored in register2, ...6
A3=0
Adr
A[3..0]
Phase A
Profile 8
Address Calculation
11
0
Profile 7
Profile 6
Profile 5
Profile 4
Profile 3
01
10
0
Profile 2
00
11
0
Profile 1
00
0
Profile 0
5
A3=1
Adr
neg(A[3..0])
A3=0
Adr
neg(A[3..0])
Phase B
A3=1
Adr A[3..0]
Register 1
9
5
DIR
0
1
0
PhaseCounter
StepMode
SR0
SR1
0
Slew Rate
DM2
DM1
DM0
MUX
0
1
0
1
0
DAC Phase B
DAC Phase A
Decay Mode
5 bit DAC
Phase A
5 bit DAC
Phase B
0
DAC Scale
DAC
Full Scale
REF
I
MAX
I
LIMIT B
I
LIMIT A
I
DI
HS1 on
LS2 on
LS1 on
HS2on
0
1 2 3 4 5 6787 6 5 4 3 2 1 0 1 2 3 456 78 7 6 5432 1
0 1 2 3 4 5 6789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
01 2 3 4 5 6 7 8 7 6 5 432 10 1 2 3456 7
8
7 65 43 2 1
Current Driver A
Current Driver B
STEP Signal
Adress of Current
Profile Entry
Phase A
Phase Counter
Adress of Current
Profile Entry
Phase B
0
95 mA
100mA * 6/31 = 18.4mA
100mA * 30/31 = 91.9mA
200 uA
10
11
0
11
01
0
11
10
1
10
0
1
11
1
A
I
QA1LIM
I
1000
1
Counter value changes after an signal at STEP to next one
depending on selected stepping mode described in figure 3
(e.g. during micro stepping to value 2) .
PWM Control With HS Current Monitoring
Overcurrent Detection At LS Switch
QA1
QA2
+
-
+
HSA1
LIMIT
-
2mA
+
-
2mA
-
+
-
+
LSA2
-
2mA
+
-
2mA
OC
-
B
I
QA2LIM
I
1000
QB1
QB2
+
-
+
LSB1
-
2mA
+
-
2mA
OC
-
+
-
+
HSB2
LIMIT
-
2mA
+
-
2mA
-
HS Current
Monitoring
(Load control)
LS Current
Monitoring
(Overcurrentl)
HS Current
Monitoring
(Load control)
LS Current
Monitoring
(Overcurrent)
相關PDF資料
PDF描述
L9951XPTR BRUSH DC MOTOR CONTROLLER, 10 A, PDSO36
L9951TR BRUSH DC MOTOR CONTROLLER, 10 A, PDSO36
L9952GXP 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36
L9952GXPTR 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36
L99H01QF BRUSH DC MOTOR CONTROLLER, PQFP32
相關代理商/技術參數
參數描述
L9946 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver
L9947 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD HALF-BRIDGE AND SINGLE HIGH-SIDE DRIVER
L9947L 制造商:STMicroelectronics 功能描述:
L9947S 功能描述:馬達/運動/點火控制器和驅動器 Quad Half Bridge RoHS:否 制造商:STMicroelectronics 產品: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
L9949 功能描述:功率驅動器IC Door Actuator RoHS:否 制造商:Micrel 產品: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
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*