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參數(shù)資料
| 型號： | ZXBM2001 |
| 廠商： | Zetex Semiconductor |
| 英文描述： | PTSE 30C 1#16,29#20 SKT PLUG |
| 中文描述： | 變速2相風(fēng)扇電機控制器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 269K |
| 代理商： | ZXBM2001 |
Locked Rotor timing capacitor
(CONT).
The C
LCK
timing periods are determined by the
following equations:
T
V
C
I
THH
LCK
LCKC
lock
=
×
T
V
V
I
LCKD
C
THH
THL
LCK
off
=
×
(
)
T
V
V
I
LCKC
C
THH
THL
LCK
on
=
×
(
)
Where V
THH
and V
THL
are the C
LCK
pin threshold
voltages and I
LCKC
and I
LCKD
are the charge and
discharge currents.
As these threshold voltages are nominally set to
V
THH
=2V and V
THL
=1V the equations can be simplified
as follows:
T
C
I
LCK
LCKC
lock
=
×
2
T
=C
I
on
LCK
LCKC
T
C
I
LCKD
LCK
off
=
8. C
PWM
- Sets PWM frequency
This pin has an external capacitor attached to set the
PWM frequency for the Phase drive outputs. A
capacitor value of 0.15nF will provide a PWM
frequency of typically 24kHz.
The C
LCK
timing period (T
pwm
) is determined by the
following equation:
T
V
V
I
PWMC
C
V
V
I
PWMD
C
THH
THL
PWM
THH
THL
PWM
pwm
=
×
+
×
(
)
(
)
Where V
THH
and V
THL
are the C
PWM
pin threshold
voltages and I
PWMC
and I
PWMD
are the charge and
discharge currents.
As these threshold voltages are nominally set to
V
THH
=2V and V
THL
=1V the equations can be simplified
as follows:
T
C
I
PWMC
C
I
PWMD
PWM
PWM
pwm
=
+
9. PH2
10. PH1
- External transistor driver
- External transistor driver
These are the Phase drive outputs and are open
darlington emitter followers designed to provide up to
80mA of drive to external transistors as shown in the
Application circuits following. The external transistors
in turn drive the fan motor windings.
Lock Timing Example:
Using the equation previously described and to be
found under the C
LCK
pin description:
T
C
I
LCK
LCKC
lock
=
×
2
T
C
I
LCKC
LCK
on
=
T
C
I
LCKD
LCK
off
=
Using a value of C
LCK
= 1.0uF together with the values
of I
LCKC
and I
LCKD
to be found in the Electrical
Characteristics we can derive the following timings for
operation at 12V and 25
°
C.
T
=22.8 A
lock
=
0 714
.
s
T
=
1.0 F
0.28 A
off
=
36 s
T
=22.8 A
on
=
0 36
.
s
ZXBM2001
ZXBM2002 ZXBM2003
ISSUE 1 - APRIL 2002
5
Lock and FG Timing Waveform:
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|---|---|
| ZXBM2001_04 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:VARIABLE SPEED 2-PHASE FAN MOTOR CONTROLLER |
| ZXBM2001X10TA | 功能描述:馬達/運動/點火控制器和驅(qū)動器 DC Bshls MtrCtr w/fl 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 |
| ZXBM2001X10TC | 功能描述:IC MOTOR CTLR FAN 2PH 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電機和風(fēng)扇控制器，驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機驅(qū)動器，步進電機驅(qū)動器 評估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負載:10 V ~ 40 V 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-BFSOP（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
| ZXBM2002 | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:VARIABLE SPEED 2-PHASE FAN MOTOR CONTROLLER |
| ZXBM2002X10TA | 功能描述:馬達/運動/點火控制器和驅(qū)動器 DC Bshls MtrCtr w/fl 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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