L9678P datasheet(213/215 Pages) STMICROELECTRONICS

213 / 215 page

DS11626 Rev 9

213/216

L9678P, L9678P-S

Revision history

214

Revision history

Table 68. Document revision history

Date

Revision

Changes

05-May-2016

Initial release.

12-Sep-2016

Modified the VRCM ‘Updated by SSM_RESET or SPI write’ on page

78.

Added Section 19: Errata sheet on page 254.

27-Oct-2016

Added two Order Codes on Table 1: Device summary on page 1.

09-Sep-2021

Added:

– Section : Applications in cover page;

– Section 15: Applications;

– Section 20: Order codes.

Minor text changes in:

– Section 3: Overview and block diagram;

– Section 4.1: Power supply overview;

– Section 5.2.23: Diagnostic result register for deployment loops

(LPDIAGSTAT), register “HIGH_LEV_DIAG_SELECTED[3:0]” for

“0100” from “unused” to “ER cap ESR measure”;

– Section 5.2.25: Loops diagnostic configuration command register

for high level diagnostic (LPDIAGREQ), register

“HIGH_LEV_DIAG_SELECTED[3:0]” for “100” from “unused” to

“ER cap ESR measure”;

– Section 10.7: Additional communication line.

Changed “Squib” in “Squib/pyroswitch” throughout the document.

03-Nov-2021

Updated:

– Figure 59: SPI timing diagram;

– Table 25: SPI AC specifications.

19-Apr-2022

Updated:

– Figure 2: Functional block diagram;

– Figure 58: Airbag application.

Minor text changes in:

– Table 1: Absolute maximum ratings;

– Table 2: Operative maximum ratings;

– Section 5.2.23: Diagnostic result register for deployment loops

(LPDIAGSTAT);

– Section 5.2.25: Loops diagnostic configuration command register

for high level diagnostic (LPDIAGREQ).

15-May-2023

Added Section 4.4: Oscillators;

Updated Section 4.5: Reset functions; Section 8.3: Watchdog timer

disable input (WDT/TM); Table 12: Bill Of Materials.

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