BQ2084-V140_14 Datasheet, PDF (24/64 Pages) Texas Instruments – SBS v1.1-COMPLIANT GAS GAUGE FOR USE WITH THE bq29312

bq2084-V140
SLUS664B – JULY 2005 – REVISED AUGUST 2006
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0 Activation disabled (default)
1 Activation enabled
XCIM
The XCIM bit enables or disables the activation of SAFE and the setting of the PF Flag when PF Status CIM is
set.
0 Activation disabled (default)
1 Activation enabled
XFETF
The XFETF bit enables or disables the activation of SAFE and the setting of the PF Flag when PF Status FETF
is set.
0 Activation disabled (default)
1 Activation enabled
XPFIN
The XPFIN bit enables or disables the activation of SAFE and the setting of the PF Flag when PF Status PFIN
is set.
0 Activation disabled (default)
1 Activation enabled
Permanent Failure Flag (PF Flag)
PF Flag DF 0x11e contains the flag indicating if the /SAFE output has been activated.
STATE
b7
b6
b5
b4
b3
b2
b1
b0
Clear
0
0
0
0
0
0
0
0
Set
0
1
1
0
0
1
1
0
PF FLAG
The PF Flag indicates that the SAFE output of the bq2084-V140 has been activated.
0x00 SAFE output high (default)
0x66 SAFE output activated
An example circuit using the SAFE output to blow a fuse is shown in Figure 2.
Figure 2. Example SAFE Circuit Implementation
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