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L9958XP 데이터시트(PDF) 11 Page - STMicroelectronics

부품명 L9958XP
상세설명  Low RDSON SPI controlled H-Bridge
PDF  38 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9958XP 데이터시트(HTML) 11 Page - STMicroelectronics

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L9958
Device description
Doc ID 17269 Rev 5
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3.2.2
DIR and PWM inputs
The pins DIR and PWM are internally pulled down. The bridge is controlled by these two
inputs according to the table below.
Figure 5.
H-Bridge configurations
The outputs can be disabled (set to tri-state) by the Disable and Enable inputs DI and EN.
Input DI has an internal pull-up. Input EN has an internal pull-down. During freewheeling
phase, an active freewheeling on the Low-Side MOS is automatically set, switching ON the
power transistor in parallel to the internal freewheeling diode.
Table 6.
Control pins DIR, PWM
DIR
PWM
OUT1
OUT2
Bridge Status
HHH
L
Forward
L
L
L
L
Freewheeling Low
LH
LH
Reverse
H
L
L
L
Freewheeling low



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