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參數(shù)資料
| 型號： | TB6526AFG |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.12 A, PDSO24 |
| 封裝： | 0.300 INCH, 1 MM PITCH, LEAD FREE, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 24/25頁 |
| 文件大?。?/td> | 512K |
| 代理商： | TB6526AFG |
TB6526AF
2006-3-6
8
OSC frequency calculation
VOSC is increased by COSC charging through the constant current source (150 A).
VOSC is calculated by following equation.
OSC
6
OSC
C
t
10
150
V
×
=
Q2 is turned “off” when VOSC is less than the voltage of 1.35 V + VBE (Q2) approximately equal to
2.05 V.
Q3 and Q4 are turned “on” when VOSC becomes 2.05 V.
VOSC (H) = VBE (Q2) + 1.35
≈ 2.05 V
Lower level of V (22) pin is equal to VBE (Q2) + VCE (SAT) (Q4) approximately equal to 1.0 V.
VOSC (L) = VBE (Q2) + VCE (SAT) (Q4)
≈ 1.0 V
Assuming that VOSC = 1.0 V (t = t1) and = 2.05 V (t = t2), OSC frequency is calculated as follows.
)
F
unit
(C
(kHz)
C
0.143
1.0)
(2.05
C
10
150
t
1
f
10
150
C
2.05
t
10
150
C
1.0
t
OSC
1
2
OSC
2
OSC
1
6
=
×
=
=
×
=
×
=
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TB6526F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:CHOPPER-TYPE BIPOLAR STEPPING MOTOR CONTROL DRIVER IC |
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| TB6537FG(EL) | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Brushless DC Motor Controller 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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