L9908 datasheet(142/152 Pages) STMICROELECTRONICS

142 / 152 page

Revision history

Table 153. Document revision history

Date

Version

Changes

16-Nov-2020

Initial release.

03-Mar-2021

Updated:

•

Section 5.9 Internal clock;

•

Section 5.13.1 A/D conversion;

•

Section 5.13.2.3 Digital format current information;

•

Section 5.13.3.1 Analog format current information;

•

Section 5.13.4 Current monitor A/D - D/A chain;

•

Table 12. VDD monitor electrical characteristics;

•

Table 36. Clock spread spectrum electrical characteristics;

•

Table 42. Motor battery monitor electrical characteristics;

•

Table 44. Pre-regulation stage electrical characteristics;

•

Table 48. VBP monitor electrical characteristics;

•

Table 51. Charge pump 2 electrical characteristics;

•

Table 53. Bootstrap Limiter 1 electrical characteristics;

•

Table 54. VCP Monitor electrical characteristics;

•

Table 70. Current Monitor Input characteristics;

•

Table 79. Current monitor`s analog output characteristics;

•

Table 87. OFD electrical characteristics;

•

Table 91. OND electrical characteristics;

•

Table 93. PVF electrical characteristics.

Removed "Restricted" watermark.

28-Mar-2022

Added Section 7.2 TQFP48 (7x7x1 mm exp. pad down) PCB landpattern.

Updated:

•

Section 5.11.4 Supply distribution stage;

•

Section 5.12 Half bridges gate drivers;

•

Section 5.12.3 Shoot-Through Protection (STP);

•

Section 5.13.1 A/D conversion;

•

Section 6.3 Bill of materials;

•

Table 9. Quiescent current consumption in reset mode;

•

Table 10. Mean current consumptions in normal mode;

•

Table 44. Pre-regulation stage electrical characteristics;

•

Table 53. Bootstrap Limiter 1 electrical characteristics;

•

Table 54. VCP Monitor electrical characteristics;

•

Table 58. Pre-driver timings;

•

Table 60. VGS monitor electrical characteristics;

•

Table 76. Current monitors A/D auto-triggering latency;

•

Table 80. Current monitors A/D - D/A auto-triggering latency;

•

Table 93. PVF electrical characteristics;

•

Table 127. CH1_SAFETY_RELEVANT;

•

Table 152. TQFP48 (7x7x1 mm exp. pad down) package mechanical

data;

•

Figure 7. Damage protected activation simplified structure;

•

Figure 10. Internal reset logic simplified block diagram;

•

Figure 23. Power-Up diagram;

•

Figure 26. Ext. FET gate supply simplified block diagram;

•

Figure 39. VGS Monitor operative ranges;

•

Figure 65. OFF State Diagnosis simplified block diagram;

•

Figure 66. OFD currents in motor phases;

•

Figure 68. OFD Masking and deglitch filtering - LSn_OFD Example;

•

Figure 69. OFD Masking and deglitch filtering - LSn_OFD Example with

multiple glitches;

•

Figure 77. Ground pins inter-connection;

•

Figure 79. Junction temperature ranges;

•

Figure 90. Application circuit, 12 V/24 V systems;

•

Figure 91. Application circuit, 48 V systems.

L9908

DS13546 - Rev 5

page 142/152

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