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参数资料
| 型号： | TB62206F |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.8 A, PDSO22 |
| 封装： | 0.450 INCH, 1 MM PITCH, PLASTIC, HSOP-20/22 |
| 文件页数： | 13/27页 |
| 文件大小： | 368K |
| 代理商： | TB62206F |
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TB62206F
2005-03-02
20
Operation of Charge Pump Circuit
Initial charging
(1)
When RESET is released, Tr1 is turned ON and Tr2 turned OFF. Ccp 2 is charged from Ccp 2 via
Di1.
(2)
Tr1 is turned OFF, Tr2 is turned ON, and Ccp 1 is charged from Ccp 2 via Di2.
(3)
When the voltage difference between VM and VH (Ccp A pin voltage = charge pump voltage)
reaches VDD or higher, operation halts (steady state).
Actual operation
(4)
Ccp 1 charge is used at fchop switching and the VH potential drops.
(5)
Charges up by (1) and (2) above.
Output switching
Initial charging
Steady state
(1)
(2)
(3)
(4)
t
(5)
(4)
(5)
VH
VM
VH = VM + VDD = charge pump voltage
i1 = charge pump output current
i2 = gate block power dissipation
VDD = 5 V
VM = 24 V
Comparator
&
Controller
VM
Output
H switch
i2
Ccp 1
0.22
F
Ccp A
Ccp B
Ccp C
R1
VH
RS
RRS
Ccp 2
0.022
F
Di2
Di1
Di3
Vz
i1
(2)
Tr1
Tr2
7
(1)
(2)
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相关代理商/技术参数 |
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|---|---|
| TB62206FG | 制造商:Toshiba America Electronic Components 功能描述:2-Phase Stepping Motor Driver 5V 22-Pin(20+2Tab) HSOP |
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| TB62207BFG(OEL) | 制造商:Toshiba America Electronic Components 功能描述:2 STEPPER MOTOR DRIVE 40V 1.5A HSOP36 |
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