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| BQ3050 Datasheet, PDF (8/28 Pages) Texas Instruments – 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager | |||
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bq3050
SLUSA92A â JANUARY 2011 â REVISED JUNE 2011
www.ti.com
ELECTRICAL CHARACTERISTICS: 3.3V Regulator (continued)
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where TA= â40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ÎV(VDDLINE)
ÎV(VDDLOAD)
Line regulation
Load regulation
I(REG33MAX) Current limit
VCC or BAT = 14.4 V, IREG33 = 2 mA
VCC or BAT = 14.4 V, IREG33 = 2 mA
VCC or BAT = 14.4 V, VREG33 = 3 V
VCC or BAT = 14.4 V, VREG33 = 0 V
1
13
mV
5
18
mV
70
mA
33
ELECTRICAL CHARACTERISTICS: 2.5V Regulator
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where TA= â40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VREG25
Regulator output voltage
IREG25 = 10 mA
2.35
2.5
2.55
V
IREG25
Regulator Output Current
3
mA
ÎV(VDDTEMP)
Regulator output change with
temperature
VCC or BAT = 14.4 V, IREG25 = 2 mA
0.25
%
ÎV(VDDLINE)
ÎV(VDDLOAD)
I(REG33MAX)
Line regulation
Load regulation
Current limit
VCC or BAT = 14.4 V, IREG25 = 2 mA
VCC or BAT = 14.4 V, IREG25 = 2 mA
VCC or BAT = 14.4 V, VREG25 = 2.3 V
VCC or BAT = 14.4 V, VREG25 = 0 V
1
4
mV
20
40
mV
65
mA
23
ELECTRICAL CHARACTERISTICS: DISP, PRES, SMBD, SMBC
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where TA= â40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
VIL
VOL
CIN
ILKG
IWPU
I(DISP)
ILKG(DISP)
RPD(SMBx)
High-level input
Low-level input
Low-level output voltage
Input capacitance
Input leakage current
Weak Pull Up Current
DISP source currents
DISP leakage current
SMBC, SMBD Pull-Down
DISP, PRES, SMBD, SMBC
2.0
V
DISP, PRES, SMBD, SMBC
0.8
V
SMBD, SMBC
0.4
V
DISP, PRES, SMBD, SMBC
5
pF
DISP, PRES, SMBD, SMBC
1
μA
PRES, VOH = VREG25 â 0.5 V,
DISP active, DISP = VREG25 â 0.6 V
DISP inactive
60
â3
â0.22
120
μA
mA
0.22
μA
TA = â40 to 100ËC
550
775
1000
kΩ
ELECTRICAL CHARACTERISTICS: CHG, DSG FET Drive
Typical values stated where TA = 25ºC and VCC = 14.4 V, Min/Max values stated where TA= â40ºC to 85ºC and VCC = 3.8 V
to 25 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO(FETONDSG) = V(DSG) â VPACK, VGS
connect 10 Mâ¦, VCC 3.8 V to 8.4 V
8.0
9.7
12
V
V(FETON)
Output voltage, charge, and
discharge FETs on
VO(FETONDSG) = V(DSG) â VPACK, VGS
connect 10 Mâ¦, VCC > 8.4 V
9.0
11
12
VO(FETONCHG) = V(CHG) â VBAT, VGS
connect 10 Mâ¦, VCC 3.8 V to 8.4 V
8.0
9.7
12
V
V
VO(FETONCHG) = V(CHG) â VBAT, VGS
connect 10 Mâ¦, VCC > 8.4 V
9.0
11
12
V
V(FETOFF)
Output voltage, charge and
discharge FETs off
VO(FETOFFDSG) = V(DSG) â VPACK
VO(FETOFFCHG) = V(CHG) â VBAT
â0.4
â0.4
0.4
V
0.4
V
8
Copyright © 2011, Texas Instruments Incorporated
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