L9945 datasheet(52/151 Pages) STMICROELECTRONICS

부품명	L9945

상세설명	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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제조업체	STMICROELECTRONICS [STMicroelectronics]

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COMMAND 2

Frame partitioning

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

OC_CONFIG_02

Description:

Output configuration OUT2

[31:28] C: Command 2

0010

[27] R/W: Bit to read/write configuration

0: Write & request read

1: Request read only

[26:25] HB1_TOFF: H-bridge1 off timer during current limitation

00: 31 µs

01: 48 µs

10: 62.5 µs

11: 125 µs

[24] BATT_FACT_CONFIG: Selection of the factor used in battery compensation

0: Factor for CV

1: Factor for PV

[23:22] TDIAG_CONFIG_02: OFF state diagnostic blanking/filter timer for output 02. 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

[21] OC_READ_02: Selection of the OC threshold to read. Fixed threshold or actual threshold.

0: Read fixed OC threshold

1: Read actual OC threshold

[20:15] OC_CONFIG_02: Selection of over current detection threshold. 6 bit to code for the OC detection threshold

See Table 40

[14:13] OC_TEMP_COMP_02: 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

L9945

SPI MOSI/MISO list

DS12275 - Rev 8

page 52/151

L9945 데이터시트(PDF) 52 Page - STMicroelectronics