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L9945 Datasheet(PDF) 92 Page - STMicroelectronics

No. de pieza L9945
Descripción Electrónicos  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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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9945 Datasheet(HTML) 92 Page - STMicroelectronics

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[11:9] TBLANK_OC_05: 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
[8] PROT_CONFIG_05: Output re-engagement strategy. Specifies how channel reactivation must be performed following an OC
event
0: output re-engagement with control signal switching event
1: output re-engagement after diagnostic readout and control signal switching event
Reset: 0
Reset Condition: POR, NRES
[7] OC_DS_SHUNT_05: Configures the output measure OC with shunt or by DSM
0: OC with DSM
1: OC with Shunt
Reset: 0
Reset Condition: POR, NRES
[6] DIAG_I_CONFIG_05: CH5 OL regulator output current capability
0: 100 µA capability
1: 1 mA capability
Reset: 0
Reset Condition: POR, NRES
[5:4] GCC_CONFIG_05: Selection of gate charge/discharge currents
00: Lim by ext resistor
01: 20 mA
10: 5 mA
11: 1 mA
Reset: 00
Reset Condition: POR, NRES
[3] N_P_CONFIG_05: NMOS or PMOS option for HS configuration
0: LS configuration
1: HS configuration
Reset: 0
Reset Condition: POR, NRES
[2] LS_HS_CONFIG_05: Configures the channel as LS or HS
0: LS configuration
1: HS configuration
Reset: 0
Reset Condition: POR, NRES
L9945
SPI MOSI/MISO list
DS12275 - Rev 8
page 92/151



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