參數(shù)資料
型號： TB62201AFG
廠商： Toshiba Corporation
英文描述： Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type
中文描述： 雙辦公自動化設(shè)備步進(jìn)馬達(dá)驅(qū)動IC用PWM斬波型
文件頁數(shù)： 67/89頁
文件大?。?/td> 1423K
代理商： TB62201AFG
TB62201AFG
2005-04-04
67
Operation of Charge Pump Circuit
z
Initial charging
(1) When RESET is released, T
r1
is turned ON and T
r2
turned OFF. Ccp2 is charged from Ccp2 via Di1
(This is the same as when TSD and ISD are operating and the IC is restored from Reset state.)
(2) T
r1
is turned OFF, T
r2
is turned ON, and Ccp1 is charged from Ccp2 via Di2.
(3) When the voltage difference between V
M
and V
H
(CcpA pin voltage = charge pump voltage) reaches V
DD
or
higher, operation halts (Steady state: Because the capacitor is naturally discharged, the IC is continually
charging to the capacitor).
z
Actual operation
(4) Ccp1 charge is used at fchop switching and the VH potential drops.
(5) Charges up by (1) and (2) above.
Output switching
Normal state
Initial charging
V
H
V
M
C
t
(2)
(1)
(3)
(4)
(5)
(4)
(5)
1/18/19/36
3/16/21/34
Comparator
&
Controller
Di3
R
1
CcpC
C
=
μ
F
V
Z
C
=
μ
F
T
r1
T
r2
i2
V
M
=
24 V
Output
H switch
Output
Di2
Di1
CcpB
12
i1
(2)
V
H
V
M
R
S
V
DD
=
5 V
CcpA
(1)
(2)
V
H
=
V
M
+
V
DD
=
charge pump voltage
i1
=
charge pump current
i2
=
gate block power dissipation
7
13
R
RS
27
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TB62201AFG(EL) 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Combination Motor Driver 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
TB62202AFG 制造商:Toshiba America Electronic Components 功能描述:
TB62202AFG(EL) 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Combination Motor Driver 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
TB62206FG 制造商:Toshiba America Electronic Components 功能描述:2-Phase Stepping Motor Driver 5V 22-Pin(20+2Tab) HSOP
TB62206FG(EL) 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 Stepping Motor Driver 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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