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L9945 データシート(PDF) 104 Page - STMicroelectronics

部品番号 L9945
部品情報  Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems
PDF  144 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9945 データシート(HTML) 104 Page - STMicroelectronics

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[12:10]
[9:7]
[6:4]
[3-1]
PUPD4...1: Pull up / Pull down status of CHx
This field consists of 3 bit encoding the current status of the gate charge / discharge current sources for the x-th channel. The
code depends on the output configuration:
High-Side with PFET:
•
100: IPD ON and IPU OFF -> transistor ON
•
010: IPD OFF and IPU ON -> transistor OFF
•
000: IPD OFF and IPU OFF -> output in three-state
•
Others: integrity of the output control is compromised
High-Side/Low-Side with NFET:
•
010: IPD ON and IPU OFF -> transistor OFF
•
001: IPD OFF and IPU ON -> transistor ON
•
000: IPD OFF and IPU OFF -> output in three-state
•
Others: integrity of the output control is compromised
Reset: 0000
Reset Condition: -
[0] PARITY: Parity bit, based on even parity calculation
0: If the number of 1 is odd
1: If the number of 1 is even
Reset: 0
Reset Condition: -
L9945
Functional description
DS12275 - Rev 10
page 104/144



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