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| BQ27546-G1 Datasheet, PDF (5/38 Pages) Texas Instruments – nullSingle-Cell Li-Ion Battery Fuel Gauge | |||
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www.ti.com
bq27546-G1
SLUSC53A â MAY 2015 â REVISED DECEMBER 2015
8.5 Supply Current
TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
ICC
I(SLP)
I(FULLSLP)
I(HIB)
NORMAL operating mode current (1)
Low-power operating mode current(1)
Low-power operating mode current(1)
HIBERNATE operating mode current (1)
Fuel gauge in NORMAL mode.
ILOAD > Sleep Current
Fuel gauge in SLEEP mode.
ILOAD < Sleep Current
Fuel gauge in FULLSLEEP mode.
ILOAD < Sleep Current
Fuel gauge in HIBERNATE mode.
ILOAD < Hibernate Current
(1) Specified by design. Not tested in production.
MIN TYP MAX UNIT
118
μA
62
μA
23
μA
8
μA
8.6 Digital Input and Output DC Characteristics
TA = â40°C to 85°C; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
VOL
Output voltage low (HDQ, SDA, SCL,
SE)
IOL = 3 mA
VOH(PP)
VOH(OD)
VIL
VIH
VIL(CE)
VIH(CE)
Ilkg
Output high voltage (SE)
Output high voltage (HDQ, SDA, SCL)
Input voltage low (HDQ, SDA, SCL)
Input voltage high (HDQ, SDA, SCL)
CE Low-level input voltage
CE High-level input voltage
Input leakage current (I/O pins)
IOH = â1 mA
External pullup resistor connected to VCC
VREGIN = 2.8 to 4.5 V
VCCâ0.5
VCCâ0.5
â0.3
1.2
2.65
VREGINâ0.5
TYP MAX UNIT
0.4 V
V
V
0.6 V
5.5 V
0.8
V
0.8
0.3 μA
8.7 Power-On Reset
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 CONDITIONS
MIN TYP MAX UNIT
VIT+
VHYS
Positive-going battery voltage input at
VCC
Power-on reset hysteresis
2.05
2.15 2.20
V
115
mV
8.8 2.5-V LDO Regulator
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 TYP MAX UNIT
VREG25
Regulator output voltage, REG25
2.8 V ⤠V(REGIN) ⤠4.5 V,
IOUT ⤠16 mA
2.45 V ⤠V(REGIN) < 2.8 V (low battery), IOUT â¤
3 mA
2.3
2.5 2.6 V
2.3
V
8.9 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
TEST CONDITIONS
MIN TYP MAX
f(OSC)
f(LOSC)
Operating frequency
Operating frequency
2.097
32.768
UNIT
MHz
kHz
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: bq27546-G1
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