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L9945 データシート(PDF) 83 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) 83 Page - STMicroelectronics

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RESPONSE 5
Frame partitioning
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Description
OUT 5 configuration and H-Bridge 2 diagnostic time
Reset:
0x5EC00000
[31:28] C: Response to command 5
Reset: 0101
Reset Condition: POR, NRES
[27] R/W: Bit to read/write configuration
0: Write & request read
1: Request read only
Reset: 1
Reset Condition: POR, NRES
[26:25] HB2_DEAD_TIME: H-bridge2 dead time to avoid cross conduction
00: 1 µs
01: 2 µs
10: 4 µs
11: 8 µs
Reset: 11
Reset Condition: POR, NRES
[24] HB2_TDIAG_EXT_CONFIG: Selection of tdiag timers for H-bridge 2. This function only applies when HB2_config = 1
(command 8)
0: H-bridge tdiag timers for HB2. The programmed TDIAG_CONFIG_05 will be extended to
CH6, CH7 and CH8.
1: Standard tdiag timers for HB2. The programmed TDIAG_CONFIG_05 is valid only for CH5,
while CH6, CH7 and CH8 must be set individually
Reset: 0
Reset Condition: POR, NRES
[23:22] TDIAG_CONFIG_05:
H-bridge 2 OFF state diagnostic blanking/filter timer. This values are valid only when HB2_tdiag_ext_config = 0 & HB2_config
= 1
00: 11.2 µs
01: 28.9 µs
10: 40 µs
11: 51.2 µs
L9945
Functional description
DS12275 - Rev 10
page 83/144



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