參數(shù)資料
型號: BD6669FV
廠商: Rohm CO.,LTD.
英文描述: SPDT SUBMINIATURE POWER RELAY
中文描述: 3相為主軸電機(jī)驅(qū)動器的CD - ROM的
文件頁數(shù): 11/17頁
文件大?。?/td> 213K
代理商: BD6669FV
BD6669FV
Motor driver ICs
z
Circuit operation
1. Application
(1) Hall input
Hall element can be used with both series and parallel connection. Determining R1 and R2, make sure to leave an
adequate margin for temperature and dispertion in order to satisfy in-phase input voltage range and minimum input
level.
A motor doesn’t reach the regular number of rotation, if hall input level decrease under high temperature.
V
CC
Rev.A
11/16
R1
R2
R1
V
H
R2
V
H
Fig.10
Parallel connection
H2
H3
H1
V
CC
Series connection
H2
H1
H3
2.Torque voltage
By the voltage difference between EC and ECR, the current driving motor changes as shown in Fig.11 below.
I
M
[A]
Forward torque
I
TL
0
ECR
EC [V]
Fig.11
Reverse torque
The gain of the current driving motor for the voltage of EC can be changed by the resistance of RNF.
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