发明名称 |
Sharing of external components for the control of the switching dead-time of a plurality of integrated devices cooperating in driving an R-L multi-phase actuator |
摘要 |
In multi-phase driving systems of electric motors in a switching mode employing distinct integrated half-bridge output stages, the use of multiple external components for each integrated half-bridge stage to implement functions of adjustment of the switching dead-time and of disabling/enabling of the half-bridge stage can be avoided and an improved matching obtained by using single external components connected in common to the dedicated pins of all the distinct integrated half-bridge output stages. This is achieved by duplicating the disabling comparator, respectively for the power transistor of the pull-up branch and for the power transistor of the pull-down branch in each integrated half-bridge stage.
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申请公布号 |
US6002601(A) |
申请公布日期 |
1999.12.14 |
申请号 |
US19980114556 |
申请日期 |
1998.07.13 |
申请人 |
STMICROELECTRONICS S.R.L. |
发明人 |
PAPPALARDO, SALVATORE;NOVELLI, ALDO;GENOVA, ANGELO;DE MARCO, ALBERTO |
分类号 |
H02M1/00;H02M1/38;H02P8/14;(IPC1-7):H02M7/00 |
主分类号 |
H02M1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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