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L9945 データシート(PDF) 88 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  151 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) 88 Page - STMicroelectronics

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[23:22] TDIAG_CONFIG_04: OFF state diagnostic blanking/filter timer for output 04. It has no effect if HB1_config =1 &
HB1_tdiag_ext_config = 0
00: 25.6 µs
01: 61.2 µs
10: 105.6 µs
11: 150 µs
Reset: 11
Reset Condition: POR, NRES
[21] OC_READ_04: Selection of the OC threshold to read. Fixed threshold or actual threshold
0: Read fixed OC threshold
1: Read actual OC threshold
Reset: 0
Reset Condition: POR, NRES
[20:15] OC_CONFIG_04: Selection of over current detection threshold. 6 bit to code for the OC detection threshold
See Table 40
Reset: 000000
Reset Condition: POR, NRES
[14:13] OC_TEMP_COMP_04: Over current detection with temperature compensation (see note of Table 30. SPI MOSI list)
00: No OC compensation
01: ΔT < 60 °C
10: ΔT < 40 °C
11: ΔT < 25 °C
Reset: 00
Reset Condition: POR, NRES
[12] OC_BATT_COMP_04: Over current detection with battery compensation
0: Battery compensation de-activated
1: Battery compensation activated
Reset: 0
Reset Condition: POR, NRES
[11:9] TBLANK_OC_04: When DSM is selected, it specifies the OC blanking time to allow VDS settling. When Rshunt is selected, it
only determines the assertion of the 'No OC failure' diagnostic code (once expired).
000: 11.1 µs
001: 15.6 µs
010: 20 µs
011: 31.1 µs
100: 42.2 µs
101: 53.3 µs
110: 97.8 µs
111: 142.2 µs
Reset: 000
Reset Condition: POR, NRES
L9945
SPI MOSI/MISO list
DS12275 - Rev 8
page 88/151



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