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L9912TR Datasheet(PDF) 6 Page - STMicroelectronics

Part # L9912TR
Description  Automotive vehicle conform car alternator regulator IC
PDF  84 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9912TR Datasheet(HTML) 6 Page - STMicroelectronics

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List of tables
L9912
6/84
DocID029639 Rev 2
Table 49.
RPM ranges corresponding to different pole pairs values . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 50.
WATCHDOG / THERMAL SHUTDOWN RESET COUNT register [0x14] . . . . . . . . . . . . . 67
Table 51.
DEVICE ID register [0x1F] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 52.
SYSTEM / UNLOCK register [0x01] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 53.
SYSTEM OPERATION register [0x02] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 54.
EXTERNAL POWER MOS register [0x03] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Table 55.
WAKE-UP sources and DFM GEN setup register [0x04] . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 56.
DFM PWM DUTY CYCLE register [0x05]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 57.
Duty cycle resolution changes according to the frequency. . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 58.
WATCHDOG CONFIG register [0x06] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Table 59.
CP-SPREAD-SPECTRUM & LIN SETTING register [0x08] . . . . . . . . . . . . . . . . . . . . . . . . 75
Table 60.
DRV SETTINGS register [0x09] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Table 61.
WATCHDOG REFRESH register [0x0F] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Table 62.
SPI sequence examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Table 63.
TQFP44 (10x10x1.0 mm exp. pad down) package mechanical data . . . . . . . . . . . . . . . . . 81
Table 64.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Table 65.
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83



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