BQ27411-G1 Datasheet, PDF (5/20 Pages) Texas Instruments – Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration

bq27411-G1
www.ti.com
SLUSBN7 – JANUARY 2014
DIGITAL INPUT AND OUTPUT DC CHARACTERISTICS
T_A = –40°C to 85°C, typical values at T_A = 30°C and V_REGIN = 3.6 V (unless otherwise noted)(Force Note1)⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN
TYP
V_IH(OD)
V_IH(PP)
V_IL
V_OL
I_OH
I_OL(OD)
C_IN ⁽¹⁾
Input voltage, high ⁽²⁾
Input voltage, high ⁽³⁾
Input voltage, low ^{(2) (3)}
Output voltage, low ⁽²⁾
Output source current, high ⁽²⁾
Output sink current, low ⁽²⁾
Input capacitance ^{(2) (3)}
External pullup resistor to V_PU
V_PU x 0.7
1.4
I_lkg
Input leakage current ^{(2) (3)}
SCL, SDA, and TEST pins
PROG pin
MAX
0.6
0.6
0.5
-3
5
0.1
1.0
(1) Specified by design. Not production tested.
(2) Open Drain pins: (SCL, SDA, PROG )
(3) Push Pull pin: (TEST )
UNIT
V
V
V
V
mA
mA
pF
μA
LDO REGULATOR, WAKE-UP AND AUTO-SHUTDOWN DC CHARACTERISTICS
T_A = –40°C to 85°C, typical values at T_A = 30°C and V_REGIN = 3.6 V (unless otherwise noted)(Force Note1)⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN
TYP
V_BAT
V_DD
UVLO_IT+
BAT pin regulator input
Regulator output voltage
V_BAT Under Voltage Lock Out
LDO Wake-Up Rising Threshold
2.45
1.8
2
UVLO_IT-
V_BAT Under Voltage Lock Out
LDO Auto-Shutdown Falling
Threshold
1.95
MAX
4.5
(1) Specified by design. Not production tested.
UNIT
V
V
V
V
ADC (TEMPERATURE AND CELL MEASUREMENT) CHARACTERISTICS
T_A = –40°C to 85°C; typical values at T_A = 30°C and V_REGIN = 3.6 V (unless otherwise noted) (Force Note1)⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
V_IN(BAT)
BAT pin voltage measurement Voltage divider enabled.
range.
2.45
4.5
t_{ADC_CONV}
Conversion time
125
Effective Resolution
15
(1) Specified by design. Not tested in production.
UNIT
V
ms
bits
INTEGRATING ADC (COULOMB COUNTER) CHARACTERISTICS
T_A = –40°C to 85°C; typical values at T_A = 30°C and V_REGIN = 3.6 V (unless otherwise noted)(Force Note1)⁽¹⁾
PARAMETER
TEST CONDITIONS
MIN
TYP
V_SR
Input voltage range from BAT to
SRX pins
BAT ± 25
t_{SR_CONV}
Conversion time
Single conversion
1
Effective Resolution
Single conversion
16
MAX
(1) Specified by design. Not tested in production.
UNIT
mV
s
bits
Copyright © 2014, Texas Instruments Incorporated
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