L99MH98 datasheet(137/147 Pages) STMICROELECTRONICS

137 / 147 page

Revision history

Table 232. Document revision history

Date

Version

Changes

03-May-2024

Initial release.

04-Jun-2024

Updated:

•

Section 3.2.6: Power-up sequence;

•

Figure 19. Full-bridge drain source monitoring diagnosis;

•

Figure 20. Simplified block diagram with one DC motor controlled by

two half-bridges;

•

Figure 21. One motor in normal conditions, Ishx_PU HB1/HB2 OFF with

normal load;

•

Figure 22. One motor in normal conditions with one pull-up diagnostic

current on - Configuration 2;

•

Figure 23. One motor in normal conditions with one pull-up diagnostic

current on - Configuration 3;

•

Figure 24. Short circuit to VDH;

•

Figure 25. Short circuit to GND;

•

Figure 26. One motor - Diagnostic results with an open load at SH1;

•

Figure 27. One motor - Diagnostic results with an open load at SH2;

•

Figure 28. Seven cascaded DC motors summary of the off-state

diagnostic;

•

Figure 29. Two cascaded DC motors summary of the off-state

diagnostic;

•

Table 31. Differentiation between normal condition, short to VDH, short

to GND and open load with two motors.

Minor text changes in Table 2. Absolute maximum ratings.

28-Oct-2024

Updated:

•

Section Device summary;

•

Table 9. DIAGN outputs;

•

Table 155. HB4_DIAG_CFG (0x1E) MSB.

Minor text changes in:

•

Table 8. PWMx, EN;

•

Table 48. GLOBAL_CFG (0x04) MSB description.

L99MH98

DS14611 - Rev 3

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