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BQ2014H Datasheet(PDF) 12 Page - Texas Instruments

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Part No. BQ2014H
Description  Low-Cost NiCd/NiMH Gas Gauge IC
Download  28 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ2014H Datasheet(HTML) 12 Page - Texas Instruments

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12
Symbol
Register Name
Loc.
(hex)
Read/
Write
Control Field
7(MSB)
6
5
4
3
2
1
0(LSB)
FLGS1
Primary status flags
register
01h
R
CHGS
BRP
0
CI
VDQ
1
EDV1
EDVF
TMP
Temperature register
02h
R
TMP3
TMP2
TMP1
TMP0
GG3
GG2
GG1
GG0
NACH
Nominal available capac-
ity high byte register
03h
R/W NACH7 NACH6 NACH5 NACH4 NACH3 NACH2 NACH1 NACH0
NACL
Nominal available
capacity low byte register
17h
R/W
NACL7 NACL6 NACL5 NACL4 NACL3 NACL2 NACL1 NACL0
BATID
Battery identification
register
04h
R/W BATID7 BATID6 BATID5 BATID4 BATID3 BATID2 BATID1 BATID0
LMD
Last measured
discharge register
05h
R/W
LMD7
LMD6
LMD5
LMD4
LMD3
LMD2
LMD1
LMD0
FLGS2
Secondary status flags
register
06h
R
RSVD
DR2
DR1
DR0
ENINT
VQ
RSVD
OVLD
PPD
Program pin pull-down
register
07h
R
RSVD
RSVD
RSVD
PPD5
PPD4
PPD3
PPD2
PPD1
PPU
Program pin pull-up
register
08h
R
RSVD
RSVD
RSVD
PPU5
PPU4
PPU3
PPU2
PPU1
CPI
Capacity
inaccurate count register
09h
R/W
CPI7
CPI6
CPI5
CPI4
CPI3
CPI2
CPI1
CPI0
VSB
Battery voltage
register
0bh
R
VSB7
VSB6
VSB5
VSB4
VSB3
VSB2
VSB1
VSB0
VTS
End-of-discharge thresh-
old select register
0ch
R/W
VTS7
VTS6
VTS5
VTS4
VTS3
VTS2
VTS1
VTS0
CACT
Temperature and dis-
charge rate compensated
available capacity
0dh
R/W
CACT7 CACT6 CACT5 CACT4 CACT3 CACT2 CACT1 CACT0
CACD
Discharge rate com-
pensated available
capacity
0eh
R/W
CACD7 CACD6 CACD5 CACD4 CACD3 CACD2 CACD1 CACD0
SAEH
Scaled available energy
high byte register
0fh
R
SAEH7 SAEH6 SAEH5 SAEH4 SAEH3 SAEH2 SAEH1 SAEH0
SAEL
Scaled available energy
low byte register
10h
R
SAEL7 SAEL6 SAEL5 SAEL4 SAEL3 SAEL2 SAEL1 SAEL0
RCAC
Relative CAC
11h
R
-
RCAC6 RCAC5 RCAC4 RCAC3 RCAC2 RCAC1 RCAC0
VSRH
Current scale high
12h
R
VSRH7 VSRH6 VSRH5 VSRH4 VSRH3 VSRH2 VSRH1 VSRH0
VSRL
Current scale low
13h
R
VSRL7 VSRL6 VSRL5 VSRL4 VSRL3 VSRL2 VSRL1 VSRL0
DCR
Discharge register
18h
R/W
DCR7
DCR6
DCR5
DCR4
DCR3
DCR2
DCR1
DCR0
PPFC
Program pin data
1eh
R/W
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
INTSS
VOS Interrupt
38h
R/W
RSVD
RSVD
RSVD
RSVD DCHGI RSVD
RSVD
CHGI
Notes:
RSVD = reserved.
All other registers not documented are reserved.
Table 8. bq2014H Command and Status Registers
bq2014H


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