BQ33100_15 Datasheet, PDF (37/67 Pages) Texas Instruments – Super Capacitor Manager

www.ti.com
15
CLBAD
7
RSVD
14
RSVD
6
RSVD
bq33100
SLUS987B – JANUARY 2011 – REVISED DECEMBER 2015
Figure 7. SafetyAlert Registers
13
RSVD
5
RSVD
12
RSVD
4
RSVD
11
RSVD
3
OCC
10
OTC
2
OCD
9
CIM
1
SCC
8
OV
0
SCD
LEGEND: All Values Read-Only
CLBAD 1 = Excessive capacitor leakage alert
OTC
1 = Charge overtemperature alert
CIM
1 = Capacitor voltage Imbalance permanent failure alert
OV
1 = Capacitor overvoltage alert
OCC
1= Overcurrent during charge alert
OCD
1= AFE overcurrent during discharge alert
SCC
1= AFE short circuit during charge alert
SCD
1= AFE short circuit during discharge alert
8.5.2.2.12.3 SafetyStatus (0x51)
This read-word function returns the status of the safety features. These flags do not cause the FAULT pin to be
set unless the corresponding bit in FAULT is set.
SBS
CMD
0x51
MODE
R
NAME
SafetyStatus
Table 57. SafetyStatus
FORMAT
hex
SIZE IN
BYTES
2
MIN VALUE
0x0000
MAX VALUE
0xffff
DEFAULT
VALUE
—
UNIT
Figure 8. SafetyStatus Registers
15
CLBAD
7
DFF
14
HFAIL
6
RSVD
13
HWARN
5
AFE_C
12
HLOW
4
WDF
11
RSVD
3
OCC
10
OT
2
OCD
9
CIM
1
SCC
8
OV
0
SCD
LEGEND: All Values Read-Only
CLBAD 1 = Excessive capacitor leakage fault
HWARN 1 = Health low warning
HLOW
1 = Health low indication
HFAIL
1 = Health failure
OT
1 = Charge overtemperature fault
CIM
1 = Capacitor voltage Imbalance fault
OV
1 = Capacitor overvoltage fault
DFF
1 = Data Flash Fault permanent failure fault
AFE_C
1 = Permanent AFE Communications failure fault
WDF
1 = AFE Watchdog fault
OCC
1= Overcurrent during charge fault
OCD
1= AFE overcurrent during discharge fault
SCC
1= AFE short circuit during charge fault
Copyright © 2011–2015, Texas Instruments Incorporated
Product Folder Links: bq33100
Submit Documentation Feedback
37