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| BQ27541-V200_17 Datasheet, PDF (4/46 Pages) Texas Instruments – Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration | |||
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bq27541-V200
Not Recommended for New Designs
SLUSA11B â FEBRUARY 2010 â REVISED SEPTEMBER 2013
www.ti.com
RECOMMENDED OPERATING CONDITIONS (continued)
TA = -40°C to 85°C; typical values at TA = 25°C and V(REGIN) = VBAT = 3.6 V (unless otherwise noted)
MIN TYP MAX
tPUCD
Power-up communication delay
250
UNIT
ms
POWER-ON RESET
TA = â40°C to 85°C, C(REG) = 0.47μF, 2.45 V < V(REGIN) = VBAT < 5.5 V; typical values at TA = 25°C and V(REGIN) = VBAT = 3.6 V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
VIT+
VHYS
Positive-going battery voltage input at VCC
Power-on reset hysteresis
2.05 2.20 2.31 V
45
115
185 mV
2.5 V LDO REGULATOR(1)
TA = â40°C to 85°C, C(REG) = 0.47 μF, 2.45 V < V(REGIN) = VBAT < 5.5 V; typical values at TA = 25°C and V(REGIN) = VBAT = 3.6 V
(unless otherwise noted)
PARAMETER
TEST CONDITION
MIN NOM MAX UNIT
VO
VDO
ÎV(REGTEMP)
ÎV(REGLINE)
ÎV(REGLOAD)
IOS (2)
Regulator output voltage,
REG25
Regulator dropout voltage
Regulator output change
with temperature
Line regulation
Load regulation
Short circuit current limit
2.7 V ⤠V(REGIN) ⤠5.5 V,
IOUT ⤠16mA
2.45 V ⤠V(REGIN) < 2.7 V (low
battery), IOUT ⤠3mA
TA = â40°C to 85°C
2.7 V, IOUT ⤠16 mA
2.45 V, IOUT ⤠3 mA
TA = â40°C to 85°C
V(REGIN) = 3.6 V,
IOUT = 16 mA
TA = â40°C to 85°C
2.7 V ⤠V(REGIN) ⤠5.5 V, IOUT = 16 mA
0.2 mA ⤠IOUT ⤠3 mA, V(REGIN) = 2.45 V
3 mA ⤠IOUT ⤠16 mA, V(REGIN) = 2.7 V
V(REG25) = 0 V
TA = â40°C to 85°C
2.4
2.5
2.4
0.3%
11
34
31
2.6
V
V
280
mV
50
25 mV
40
mV
250 mA
(1) LDO output current, IOUT, is the sum of internal and external load currents.
(2) Specified by design. Not production tested.
INTERNAL TEMPERATURE SENSOR CHARACTERISTICS
TA = â40°C to 85°C, C(REG) = 0.47μF, 2.45 V < V(REGIN) = VBAT < 5.5 V; typical values at TA = 25°C and V(REGIN) = VBAT = 3.6 V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
G(TEMP)
Temperature sensor voltage gain
â2.0
mV/°C
HIGH FREQUENCY OSCILLATOR
TA = â40°C to 85°C, C(REG) = 0.47μF, 2.45 V < V(REGIN) = VBAT < 5.5 V; typical values at TA = 25°C and V(REGIN) = VBAT = 3.6 V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
f(OSC) Operating frequency
f(EIO)
Frequency error(1) (2)
t(SXO) Start-up time(3)
TA = 0°C to 60°C
TA = â20°C to 70°C
TA = â40°C to 85°C
â2.0%
â3.0%
-4.5%
2.097
0.38%
0.38%
0.38%
2.5
2.0%
3.0%
4.5%
5
MHz
ms
(1) The frequency error is measured from 2.097 MHz.
(2) The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 25°C.
(3) The startup time is defined as the time it takes for the oscillator output frequency to be ±3%.
4
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Product Folder Links: bq27541-V200
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