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| BQ27425-G1 Datasheet, PDF (4/32 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge With Integrated Sense Resistor | |||
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bq27425-G1
SLUSAI6 â NOVEMBER 2011
RECOMMENDED OPERATING CONDITIONS (continued)
TA = 25°C and VREGIN = VBAT = 3.6V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Ilkg
tPUCD
Input leakage current (I/O pins)
Power-up communication delay
www.ti.com
MIN TYP MAX UNIT
0.3 μA
250
ms
POWER-ON RESET
TA = â40°C to 85°C, typical values at TA = 25°C and VREGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
VIT+
VHYS
Positive-going voltage on VCC (Regulator output)
Power-on reset hysteresis
1.98
43
TYP MAX UNIT
2.20 2.31 V
115
185 mV
2.5V LDO REGULATOR
TA = 25°C, CLDO25 = 1μF, VREGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITION
2.5 V LDO REGULATOR(1)
VREG25
VIH(CE)
VIL(CE)
Regulator output voltage
CE High-level input
voltage
CE Low-level input
voltage
2.7V ⤠VREGIN ⤠4.5V, IOUT ⤠5mA
2.45V ⤠VREGIN < 2.7V (low battery),
IOUT ⤠3mA
VREGIN = 2.7 to 4.5V
TA = â40°C to 85°C
TA = â40°C to 85°C
TA = â40°C to 85°C
VDO
ÎVREGTEMP
Regulator dropout voltage
Regulator output change
with temperature
2.7V, IOUT ⤠5mA
2.45V, IOUT ⤠3mA
VREGIN = 3.6V, IOUT = 5mA
TA = â40°C to 85°C
TA = â40°C to 85°C
TA = â40°C to 85°C
ÎVREGLINE
ÎVREGLOAD
ISHORT (2)
Line regulation
Load regulation
Short circuit current limit
2.7V ⤠VREGIN ⤠4.5V, IOUT = 5mA
0.2mA ⤠IOUT ⤠3mA, VREGIN = 2.45 V
3mA ⤠IOUT ⤠5mA, VREGIN = 2.7 V
VREG25 = 0V
TA = â40°C to 85°C
(1) LDO output current, IOUT, is the sum of internal and external load currents.
(2) Assured by design. Not production tested.
MIN NOM MAX UNIT
2.4 2.5 2.6 V
2.4
V
2.65
0.5%
18
34
31
V
0.8
325
mV
50
40 mV
40
mV
250 mA
4
Copyright © 2011, Texas Instruments Incorporated
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