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| BQ27532-G1 Datasheet, PDF (5/35 Pages) Texas Instruments – Battery Management Unit Impedance Track Fuel Gauge | |||
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www.ti.com
bq27532-G1
SLUSBU6B â SEPTEMBER 2014 â REVISED JANUARY 2016
6.5 Electrical Characteristics: Supply Current
TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
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
118
μA
62
μA
23
μA
8
μA
(1) Specified by design. Not production tested. Actual supply current consumption will vary slightly depending on firmware operation and
dataflash configuration.
6.6 Digital Input and Output DC Electrical Characteristics
TA = â40°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 = â1 mA
External pullup resistor connected to
VCC
BAT INSERT CHECK MODE active
VCC â 0.5
VCC â 0.5
â0.3
â0.3
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 (IO pins)
VREGIN = 2.8 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
6.7 Power-on Reset
TA = â40°C to 85°C, typical values at TA = 25°C and VREGIN = 3.6 V (unless otherwise noted)
PARAMETER
MIN
TYP
VIT+
VHYS
Positive-going battery voltage input at VCC
Power-on reset hysteresis
2.05
2.15
115
MAX
2.20
UNIT
V
mV
6.8 2.5-V LDO Regulator
TA = â40°C to 85°C, CLDO25 = 1 μF, VREGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
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 ⤠3 mA
MIN
NOM
2.3
2.5
2.3
(1) LDO output current, IOUT, is the total load current. LDO regulator should be used to power internal fuel gauge only.
MAX
2.6
6.9 Internal Clock Oscillators
TA = â40°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
MIN
TYP
MAX
fOSC
fLOSC
High-frequency oscillator
Low-frequency oscillator
8.389
32.768
UNIT
V
V
UNIT
MHz
kHz
Copyright © 2014â2016, Texas Instruments Incorporated
Product Folder Links: bq27532-G1
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