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BQ27320 Datasheet(PDF) 5 Page - Texas Instruments

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Part # BQ27320
Description  Single-Cell CEDV Fuel Gauge
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ27320 Datasheet(HTML) 5 Page - Texas Instruments

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bq27320
www.ti.com
SLUSCG9A – FEBRUARY 2016 – REVISED MARCH 2016
Product Folder Links: bq27320
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Copyright © 2016, Texas Instruments Incorporated
(1)
Specified by design. Not production tested.
7.5 Supply Current
TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICC
(1)
Normal operating-mode current
Fuel gauge in NORMAL mode
ILOAD > Sleep Current
118
μA
ISNOOZE
(1)
Sleep+ operating mode current
Fuel gauge in SNOOZE mode
ILOAD < Sleep Current
62
μA
ISLP
(1)
Low-power storage-mode current
Fuel gauge in SLEEP mode
ILOAD < Sleep Current
23
μA
IHIB
(1)
Hibernate operating-mode current
Fuel gauge in HIBERNATE mode
ILOAD < Hibernate Current
8
μA
ISHD
(1)
SHUTDOWN mode current
Fuel gauge in SHUTDOWN mode
CE Pin < VIL(CE) max.
1
μA
(1)
Specified by design. Not production tested.
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
TYP
MAX
UNIT
VOL
Output voltage, low (SCL, SDA,
SOC_INT, SDQ, BAT_GD)
IOL = 3 mA
0.4
V
VOH(PP)
Output voltage, high (SDQ,
BAT_GD)
IOH = –1 mA
VCC – 0.5
V
VOH(OD)
Output voltage, high (SDA, SCL,
SOC_INT)
External pullup resistor connected to
VCC
VCC – 0.5
VIL
Input voltage, low (SDA, SCL)
–0.3
0.6
V
Input voltage, low (BI/TOUT)
BAT INSERT CHECK mode active
–0.3
0.6
VIH
Input voltage, high (SDA, SCL)
1.2
V
Input voltage, high (BI/TOUT)
BAT INSERT CHECK mode active
1.2
VCC + 0.3
VIL(CE)
Input voltage, low (CE)
VREGIN = 2.8 to 4.5 V
0.8
V
VIH(CE)
Input voltage, high (CE)
2.65
Ilkg
(1)
Input leakage current (I/O pins)
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
TYP
MAX
UNIT
VIT+
Positive-going battery voltage
input at VCC
2.05
2.15
2.20
V
VHYS
Power-on reset hysteresis
115
mV
(1)
LDO output current, IOUT, is the total load current. LDO regulator should be used to power internal fuel gauge only.
7.8 2.5-V LDO Regulator
TA = –40°C to 85°C, CLDO25 = 1μF, VREGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
VREG25
Regulator output voltage (VCC)
2.8 V
≤ VREGIN ≤ 4.5V, IOUT ≤ 16 mA
(1)
2.3
2.5
2.6
V
2.45 V
≤ VREGIN < 2.8V (low battery),
IOUT ≤ 3 mA
2.3
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
UNIT
fOSC
High Frequency Oscillator
8.389
MHz


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