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BQ3055DBT Datasheet(PDF) 8 Page - Texas Instruments

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Part # BQ3055DBT
Description  2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ3055DBT Datasheet(HTML) 8 Page - Texas Instruments

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bq3055
SLUSA91A
– OCTOBER 2010 – REVISED JANUARY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS: CHG, DSG FET Drive
Typical values stated where TA = 25
ºC and VCC = 14.4 V, Min/Max values stated where TA= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO(FETONDSG) = V(DSG) – VPACK, VGS
8.0
9.7
12
V
connect 10 M
Ω, VCC 3.8 V to 8.4 V
VO(FETONDSG) = V(DSG) – VPACK, VGS
9.0
11
12
V
connect 10 M
Ω, VCC > 8.4 V
Output voltage, charge, and
V(FETON)
discharge FETs on
VO(FETONCHG) = V(CHG) – VBAT, VGS
8.0
9.7
12
V
connect 10 M
Ω, VCC 3.8 V to 8.4 V
VO(FETONCHG) = V(CHG) – VBAT, VGS
9.0
11
12
V
connect 10 M
Ω, VCC > 8.4 V
VO(FETOFFDSG) = V(DSG) – VPACK
–0.4
0.4
V
Output voltage, charge and
V(FETOFF)
discharge FETs off
VO(FETOFFCHG) = V(CHG) – VBAT
–0.4
0.4
V
CL= 4700 pF
RG= 5.1 kΩ
VCC
< 8.4
800
1400
μs
VDSG: VBAT to VBAT + 4 V
VCHG: VPACK to VPACK + 4 V
tr
Rise time
CL = 4700 pF
RG = 5.1 kΩ
VCC
> 8.4
200
500
μs
VDSG: VBAT to VBAT + 4 V
VCHG: VPACK to VPACK + 4 V
CL = 4700 pF
RG = 5.1 kΩ
VDSG: VBAT + VO(FETONDSG) to VBAT
tf
Fall time
80
200
μs
+ 1 V
VCHG: VPACK + VO(FETONCHG) to
VPACK + 1 V
ELECTRICAL CHARACTERISTICS: PCHG FET Drive
Typical values stated where TA = 25
ºC and VCC = 14.4 V, Min/Max values stated where TA= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VPU_PCHG
PCHG Pull-Up Voltage
VCC
V
VOL_PCHG
PCHG Output Voltage Low
IOL = 1 mA
0.3
V
ELECTRICAL CHARACTERISTICS: FUSE
Typical values stated where TA = 25
ºC and VCC = 14.4 V, Min/Max values stated where TA= –40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC = 3.8 V to 9 V
2.4
8.5
V
VOH(FUSE)
High Level FUSE Output
VCC = 9 V to 25 V
7
8
9
V
2.8
V
VIH(FUSE)
Weak pull-up current in off state(1)
100
nA
CL = 1 nF, VCC = 9 V to 25 V,
tR(FUSE)
FUSE Output Rise Time
5
20
μs
VOH(FUSE) = 0 V to 5 V
ZO(FUSE)
FUSE Output Impedance
2
5
k
(1)
Verified by design. Not production tested.
8
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Copyright
© 2010–2012, Texas Instruments Incorporated
Product Folder Link(s): bq3055


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