LB11921T-MPB-E [ONSEMI]
LB11921T: 3-Phase Brushless Motor Driver;
| 型号： | LB11921T-MPB-E |
| 厂家： | 
ONSEMI |
| 描述： | LB11921T: 3-Phase Brushless Motor Driver |
| 文件： | 总1页 (文件大小：48K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Product Overview
LB11921T: 3-Phase Brushless Motor Driver
For complete documentation, see the data sheet
Product Description
LB11921T is a pre-driver IC designed for variable speed control of 3-phase brushless motors. It can be used to implement a motor
drive circuit with the desired output capacity (voltage, current) by using discrete transistors for the output stage. It implements direct
PWM drive for minimal power loss. Because the LB11921T includes an integrated VCO circuit, applications can control the motor
speed arbitrarily by varying the external clock frequency.
Features
• Direct PWM drive output
• Speed discriminator + PLL speed control circuit
• Speed lock detection output
• Integrated VCO circuit
• Forward/reverse switching circuit
• Braking circuit (short braking)
• Full complement of on-chip protection circuits, including lock protection, current limiter, and thermal shutdown protection circuits.
Applications
• Computing & Peripherals
End Products
• Multi-Function Printer
• PC
• OA equipment
Part Electrical Specifications
Product
Compliance
Status
Type VM
Min
VM
VCC
VCC
IO
IO
Step Contr Feed Curre Regu Fault Flyba Pack
Max Min
Max Max Peak Reso ol back nt lator Dete ck age
(V)
(V)
(V)
(V)
8
(A)
Max lution Type Meth Sens Outp ction Prote Type
(A)
od
e
ut
ction
LB11921T-MPB-E
Pb-free
Active
Brus
hless
DC
4.4
0.01
Clock
Exter
nal
Resis
tor
TSS
OP-
36
Loc
k
Ove
r-
Cur
rent
The
rma
l
UV
LO
LB11921T-TLM-E
Pb-free
Active
Brus
hless
DC
4.4
8
0.01
Clock
Exter
nal
Resis
tor
TSS
OP-
36
Loc
k
Ove
r-
Cur
rent
The
rma
l
UV
LO
For more information please contact your local sales support at www.onsemi.com
Created on: 4/23/2014
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