Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - motor controllers Pre-driver I²C TQFN 40 EP

6-Channel Intelligent Fan Controller

MAX31785

Table 1. PMBus Command Codes................................................................ 14

Table 2. PMBus/SMBus Serial-Port Address

........................................................ 16

Table 3. PMBus Command Code Coefficients

...................................................... 20

Table 4. Coefficients for DIRECT Format Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 5. Device Parametric Monitoring States

....................................................... 21

Table 6. DS75LV Address Pin Configurations

....................................................... 21

Table 7. Fan Control Operation Modes

............................................................ 22

Table 8. Fan Health Conditions

.................................................................. 26

Table 9. Page Commands

...................................................................... 27

Table 10. WRITE_PROTECT Command Byte

........................................................ 28

Table 11. CAPABILITY Command Byte

............................................................ 28

Table 12. VOUT_SCALE_MONITOR

.............................................................. 29

Table 13. FAN_CONFIG_1_2 Command Byte

....................................................... 29

Table 14. PWM Fan Mode (FAN_CONFIG_1_2 Bit 6 = 0)

.............................................. 30

Table 15. RPM Fan Mode (FAN_CONFIG_1_2 Bit 6 = 1)

.............................................. 30

Table 16. STATUS_BYTE

....................................................................... 32

Table 17. STATUS_WORD

...................................................................... 32

Table 18. STATUS _VOUT

....................................................................... 32

Table 19. STATUS _CML

........................................................................ 33

Table 20. STATUS_MFR_SPECIFIC

...............................................................33

Table 21. STATUS_FANS_1_ 2

...................................................................33

Table 22. MFR_MODE

......................................................................... 35

Table 23. MFR_FAULT_RESPONSE

............................................................... 36

Table 24. MFR_NV_FAULT_LOG

................................................................. 38

Table 25. MFR_TEMP_SENSOR_CONFIG

.......................................................... 40

Table 26. MFR_FAN_CONFIG

................................................................... 41

Table 27. MFR_FAN_LUT

....................................................................... 43

Table 28. Valid Temperature Range

...............................................................43

Table 29. Monitored Fan Fault and Warning Parameters

............................................... 45

Table 30. MFR_FAN_PWM2RPM

................................................................. 46

LIST OF TABLES