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參數(shù)資料
| 型號(hào)： | LB1991 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Three-Phase Brushless Motor Driver for Portable VCR Capstan Motors |
| 中文描述： | 三相無(wú)刷電機(jī)便攜式錄像機(jī)絞盤馬達(dá)驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 4/7頁(yè) |
| 文件大?。?/td> | 179K |
| 代理商： | LB1991 |
Pin No.
Pin
Equivalent circuit
Pin function
Supply voltage for all circuits other than the IC internal output block and
the amplitude control block.
V
CC
1
1
No. 5792-4/7
LB1991V
Pin Functions
Supply voltage for the IC internal output control block and the
amplitude control block.
V
CC
2
2
Motor drive power supply. The voltage applied to this pin must not
exceed V
CC
2.
V
S
3
U phase output
V phase output (These outputs include built-in spark killer diodes.)
W phase output
U
OUT
V
OUT
W
OUT
5
7
9
Ground for the output power transistors
R
f
6, 8
Hall element bias voltage supply
A voltage that is typically 0.95 V is generated between the VH+and
VH–pins. (When IH is 5 mA.)
VH+
VH–
10
11
Ground for circuits other than the output transistor
The Rf pin potential is the lowest output transistor potential.
GND
13
Forward/reverse selection. Applications can select motor forward or
reverse direction rotation using this pin. (This pin has hysteresis
characteristics.)
FRC
14
U phase Hall element input
The logic high level is the state where the IN+ voltage is greater than
the IN- voltage.
V phase Hall element input
The logic high level is the state where the IN+ voltage is greater than
the IN- voltage.
W phase Hall element input
The logic high level is the state where the IN+ voltage is greater than
the IN- voltage.
U
IN
1
U
IN
2
V
IN
1
V
IN
2
W
IN
1
W
IN
2
16
17
18
19
20
21
Selects the bias supply for all circuits other than the FG comparators.
The bias supply is cut when this pin is set to the low level.
STBY
15
Hall input/output gain control. The gain is controlled by the resistor
connected between this pin and ground.
ANGLE
12
FG comparator noninverting inputs. There is no internally applied bias.
FG
IN
+
22
FG comparator inverting inputs. There is no internally applied bias.
FG
IN
–
23
FG comparator outputs. There is an internal 20-k
resistor load.
FG
OUT
24
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LB1991V | Three-Phase Brushless Motor Driver for Portable VCR Capstan Motors |
| LB1995 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1996 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1997 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| LB1998 | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LB1991V | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver for Portable VCR Capstan Motors |
| LB1991V_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Fan Motor 3-phase Brushless Motor Driver |
| LB1991V-MPB-E | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 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 |
| LB1991V-TLM-E | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 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 |
| LB1995 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
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