L9945 datasheet(137/144 Pages) STMICROELECTRONICS

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Revision history

Table 54. Document revision history

Date

Revision

Changes

01-Sep-2017

Initial release.

17-Jan-2018

Updated:

Figure 4;

Fixed typos in RESPONSE 5, RESPONSE 11 and RESPONSE 12 registers;

Table 41;

Fixed typo in Section 6.4.1;

Description;

Replaced in the whole datasheet the term “Starter Relay” by “safety relevant load”;

Changed Figure 25;

Section 6.3.6: Temperature compensation for OC threshold;

Section 6.3.7: Battery compensation for OC threshold;

Figure 36;

Package information

21-May-2018

Added Note (1) to Table 17;

Updated Section 5.5.3: H-bridge dead time.

15-Nov-2018

Updated Table 5. Thermal behavior.

25-Jun-2019

Updated Table 42. Temperature compensation;

Updated Figure 32. TCF vs. Tj;

Minor text changes.

03-Sep-2019

Added Note to Table 19. Output response in case of DIR transition

26-Sep-2019

Removed watermark Restricted;

Minor text changes.

03-Dec-2019

Updated Features.

26-Mar-2025

Section Features: removed reference to ISO 26262 and minor typos. Table 24. Diagnostic strategy

for peak & hold configuration: fixed cell LS/HS OFF & LS ON of fault type OUT1 STB; fixed cell

HS/HS ON & LS OFF of fault type OUT1 STG; fixed cells LS/HS OFF & LS ON and LS/HS ON & LS

ON of fault type OUT4 STB. Ordering information: this chapter replaces previous product summary

in the front page.

19-May-2025

Typo error fix in Figure 20. Daisy chain and parallel operation

L9945

DS12275 - Rev 10

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