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BQ3050 Datasheet, PDF (7/28 Pages) Texas Instruments – 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
bq3050
www.ti.com
SLUSA92A – JANUARY 2011 – REVISED JUNE 2011
ELECTRICAL CHARACTERISTICS: Supply Current
Typical values stated where TA = 25ºC 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
ICC
Normal
Sleep
CHG on, DSG on, no Flash write
410
µA
CHG on, DSG on, no SBS
communication
160
µA
CHG off, DSG off, no SBS
communication
80
µA
Shutdown
1
µA
ELECTRICAL CHARACTERISTICS: Power On Reset (POR)
Typical values stated where TA = 25ºC 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
VIT–
VHYS
Negative-going voltage input
POR Hysteresis
At REG25
At REG25
1.9
2.0
2.1
V
65
125
165
mV
ELECTRICAL CHARACTERISTICS: WAKE FROM SLEEP
Typical values stated where TA = 25ºC 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
VWAKE
VWAKE Threshold
VWAKE_TCO
Temperature drift of VWAKE
accuracy
VWAKE = 1.2 mV
VWAKE = 2.4 mV
VWAKE = 5 mV
VWAKE = 10 mV
0.2
1.2
2.0
mV
0.4
2.4
3.6
2.0
5.0
6.8
5.3
10
13
0.5
%/°C
tWAKE
Time from application of current and
wake of bq3050
0.2
1
ms
ELECTRICAL CHARACTERISTICS: RBI RAM Backup
Typical values stated where TA = 25ºC 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
I(RBI)
V(RBI)
RBI data-retention input current
RBI data-retention voltage
VRBI > V(RBI)MIN, VCC < VIT
VRBI > V(RBI)MIN, VCC < VIT,
TA= 0°C to 70°C
20
1100
nA
500
1
V
ELECTRICAL CHARACTERISTICS: 3.3V Regulator
Typical values stated where TA = 25ºC 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
3.8 V < VCC or BAT ≤ 5 V,
ICC ≤4 mA
2.4
3.5
V
VREG33
Regulator output voltage
5V < VCC or BAT ≤ 6.8 V,
ICC ≤13 mA
3.1
3.3
3.5
V
6.8 V < VCC or BAT ≤ 20 V,
ICC ≤ 30 mA
3.1
3.3
3.5
V
IREG33
Regulator output current
2
mA
ΔV(VDDTEMP)
Regulator output change with
temperature
VCC or BAT = 14.4 V, IREG33 = 2 mA
0.2
%
Copyright © 2011, Texas Instruments Incorporated
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