LTC2946
29
2946fa
For more information www.linear.com/LTC2946
APPLICATIONS INFORMATION
Table 7. FAULT1 Register (04h): Read/Write
BIT REGISTER NAME OPERATION DEFAULT
F1[7] POWER Overvalue Fault POWER > Maximum POWER Threshold
[1] = POWER Overvalue Fault Occurred
[0] = No POWER Overvalue Fault Occurred
0
F1[6] POWER Undervalue Fault POWER < Minimum POWER Threshold
[1] = POWER Undervalue Fault Occurred
[0] = No POWER Undervalue Fault Occurred
0
F1[5] I
SENSE
Overvalue Fault I
SENSE
> Maximum I
SENSE
Threshold
[1] = I
SENSE
Overvalue Fault Occurred
[0] = No I
SENSE
Overvalue Fault Occurred
0
F1[4] I
SENSE
Undervalue Fault I
SENSE
< Minimum I
SENSE
Threshold
[1] = I
SENSE
Undervalue Fault Occurred
[0] = No I
SENSE
Undervalue Fault Occurred
0
F1[3] V
IN
Overvalue Fault VIN > Maximum V
IN
Threshold
[1] = V
IN
Overvalue Fault Occurred
[0] = No V
IN
Overvalue Fault Occurred
0
F1[2] V
IN
Undervalue Fault VIN < Minimum V
IN
Threshold
[1] = V
IN
Undervalue Fault Occurred
[0] = No V
IN
Undervalue Fault Occurred
0
F1[1] ADIN Overvalue Fault ADIN > Maximum ADIN Threshold
[1] = ADIN Overvalue Fault Occurred
[0] = No ADIN Overvalue Fault Occurred
0
F1[0] ADIN Undervalue Fault ADIN < Minimum ADIN Threshold
[1] = ADIN Undervalue Fault Occurred
[0] = No ADIN Undervalue Fault Occurred
0
Table 8. ALERT2 Register (32h): Read/Write
BIT REGISTER NAME OPERATION DEFAULT
AL2[7] ADC Conversion Done Alert Alert When ADC Finishes a Conversion
[1] = Enable
[0] = Disable
0
AL2[6] GPIO1 Input Alert Alert if
GPIO1 Is Low When GP[7:6] = [01] (GPIO1 Input Active Low), or
GPIO1 Is High When GP[7:6] = [00] (GPIO1 Input Active High)
[1] = Enable Alert
[0] = Disable Alert
0
AL2[5] GPIO2 Input Alert Alert if
GPIO2 Is Low When GP[5:4] = [01] (GPIO2 Input Active Low), or
GPIO2 Is High When GP[5:4] = [00] (GPIO2 Input Active High)
[1] = Enable Alert
[0] = Disable Alert
0
AL2[4] Reserved 0
AL2[3] Stuck-Bus Timeout Wake-Up Alert Alert if Part Exits Shutdown Mode After Stuck-Bus Timer Expires with CB[4] = 1
[1] = Enable Alert
[0] = Disable Alert
0
AL2[2] Energy Overflow Alert Alert if Energy Register Overflow
[1] = Enable Alert
[0] = Disable Alert
0
