L9945 datasheet(97/151 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]

홈페이지	http://www.st.com

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97 / 151 page

RESPONSE 7

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_07

Description:

OUT7 configuration, H-Bridge 2 current limitation enable and active freewheeling

Reset:

0x7AC00000

[31:28] C: Response to command 7

Reset: 0111

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] HB1_ILIM_EN: H-bridge2 current limit activation. CH7 OC threshold is used for current limitation, it is only valid for Shunt

measurement

0: Current limitation not active

1: Current limitation active

Reset: 0

Reset Condition: POR, NRES

[25] HB2_AFW: H-bridge2 active freewheel configuration on LS

0: Freewheel low

1: Active freewheeling

Reset: 1

Reset Condition: POR, NRES

[24] FIXED_PATTERN

Reset: 0

Reset Condition: POR, NRES

[23:22] TDIAG_CONFIG_07: OFF state diagnostic blanking/filter timer for output 07. It has no effect if HB2_config =1 &

HB2_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

L9945

SPI MOSI/MISO list

DS12275 - Rev 8

page 97/151

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