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BQ27531-G1_16 Datasheet, PDF (5/34 Pages) Texas Instruments – Battery Management Unit Impedance Track Fuel Gauge
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bq27531-G1
SLUSBE7C – MARCH 2013 – REVISED JANUARY 2016
7.5 Electrical Characteristics: Supply Current
TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
ICC (1)
ISLP+ (1)
ISLP (1)
IHIB (1)
NORMAL operating mode current
SLEEP+ operating mode current
Low-power storage mode current
HIBERNATE operating mode current
Fuel gauge in NORMAL mode
ILOAD > Sleep current
Fuel gauge in SLEEP+ mode
ILOAD < Sleep current
Fuel gauge in SLEEP mode
ILOAD < Sleep current
Fuel gauge in HIBERNATE mode
ILOAD < Hibernate current
(1) Specified by design. Not production tested.
MIN
TYP
MAX UNIT
118
μA
62
μA
23
μA
8
μA
7.6 Digital Input and Output DC Characteristics
TA = –40°C to 85°C, typical values at TA = 25°C and VREGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
VOL
Output voltage, low (SCL, SDA,
SOC_INT, BSDA, BSCL)
IOL = 3 mA
VOH(PP)
VOH(OD)
VIL
Output voltage, high (BSDA, BSCL)
Output voltage, high (SDA, SCL,
SOC_INT)
Input voltage, low (SDA, SCL)
Input voltage, low (BI/TOUT)
IOH = –1 mA
External pullup resistor connected to
VCC
BAT INSERT CHECK mode active
VCC – 0.5
VCC – 0.5
–0.3
–0.3
Input voltage, high (SDA, SCL)
1.2
VIH
Input voltage, high (BI/TOUT)
BAT INSERT CHECK mode active
1.2
VIL(CE)
VIH(CE)
Ilkg (1)
Input voltage, low (CE)
Input voltage, high (CE)
Input leakage current (I/O pins)
VREGIN = 2.8 V to 4.5 V
2.65
(1) Specified by design. Not production tested.
TYP
MAX UNIT
0.4 V
V
0.6
V
0.6
V
VCC + 0.3
0.8
V
0.3 μA
7.7 Power-On Reset
TA = –40°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 battery voltage input at
VCC
Power-on reset hysteresis
2.05
TYP
MAX UNIT
2.15
2.20
V
115
mV
7.8 2.5-V LDO Regulator
TA = –40°C to 85°C, CLDO25 = 1 μF, VREGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITION
VREG25
Regulator output voltage (VCC)
2.8 V ≤ VREGIN ≤ 4.5 V, IOUT ≤ 16 mA(1)
2.45 V ≤ VREGIN < 2.8 V (low battery),
IOUT ≤ 3mA
MIN
TYP
2.3
2.5
2.3
(1) LDO output current, IOUT, is the total load current. LDO regulator must be used to power internal fuel gauge only.
MAX
2.6
UNIT
V
7.9 Internal Clock Oscillators
TA = –40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
fOSC
fLOSC
High-frequency oscillator
Low-frequency oscillator
8.389
32.768
UNIT
MHz
kHz
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