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參數(shù)資料
| 型號： | LV8130V |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.05 A, PDSO30 |
| 封裝： | SSOP-30 |
| 文件頁數(shù)： | 6/19頁 |
| 文件大?。?/td> | 520K |
| 代理商： | LV8130V |
LV8130V
3. Synchronous Rectification
This IC performs synchronous rectification by setting the SR pin to high or open. Synchronous rectification sets the
lower output FET to on when PWM is off (high side = OFF). This causes regenerative current to flow to the FET
instead of the diode, so the loss during regeneration can be reduced by establishing the relationship Vf > ON resistor
×
Regenerative current.
The IC pre-output has an output delay time of approx. 4
μs between the high side off and the low side on, but a through
current flows according to the output stage delay time, so this must be investigated.
Waveform Example (4)
5ms
5.0V
1
5ms
10.0V
2
5ms
10.0V
3
5ms
10.0V
4
20
μs
5.0V
1
20
μs
10.0V
2
20
μs
10.0V
3
20
μs
10.0V
4
Synchronous Rectification
Enlarged diagram
PRE-H
PRE-L
OUT
Waveform Example (5)
Di regeneration
Synchronous Rectification
20
μs
5.0V
1
20
μs
10.0V
2
20
μs
2.00V
3
20
μs
10.0V
4
20
μs
5.0V
1
20
μs
10.0V
2
20
μs
2.00V
3
20
μs
10.0V
4
2
1
ON
OFF
ON
2
1
ON
OFF
ON
PRE-H
OUT
PRE-L
P = Vf
× I
P = Ron
× I2
High efficiency
No.A1708-14/19
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LV8130V-MPB-H | 制造商:ON Semiconductor 功能描述:3PHASE MOTOR DRIVER - Ammo Pack |
| LV8130V-TLM-H | 制造商:ON Semiconductor 功能描述:3PHASE MOTOR DRIVER - Tape and Reel |
| LV8133JA-AH | 功能描述:馬達/運動/點火控制器和驅(qū)動器 3PHASE 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 |
| LV8133JA-ZH | 制造商:ON Semiconductor 功能描述:3PHASE MOTOR PRE-DRIVER - Ammo Pack 制造商:ON Semiconductor 功能描述:FNFLD / 3PHASE MOTOR PRE-DRIVER |
| LV8136V | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Bi-CMOS IC For Brushless Motor Drive Direct PWM Drive, Quiet Predriver IC |
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