BQ27621-G1_16 Datasheet, PDF (5/26 Pages) Texas Instruments – System-Side Fuel Gauge With Dynamic Voltage Correlation

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bq27621-G1
SLUSBB3E – DECEMBER 2013 – REVISED JANUARY 2016
Supply Current (continued)
T_A = 30°C and V_REGIN = V_BAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
I_HIB ⁽¹⁾
HIBERNATE mode current
I_LOAD < Hibernate Current
I_SD ⁽¹⁾
SHUTDOWN mode current
Fuel gauge in host commanded
SHUTDOWN mode.
(LDO Regulator Output Disabled)
MIN
TYP
9
0.6
MAX UNIT
μA
μA
7.6 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_IL
V_OL
I_OH
I_OL(OD)
C_IN ⁽¹⁾
Input voltage, high ⁽²⁾
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 × 0.7
Input leakage current
I_lkg
(SCL, SDA, BIN)
Input leakage current (GPOUT)
MAX
0.6
0.6
0.5
–3
5
0.1
1
(1) Specified by design. Not production tested.
(2) Open drain pins: (SCL, SDA, GPOUT)
(3) Push-pull pin: (BIN)
UNIT
V
V
V
mA
mA
pF
μA
7.7 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 Undervoltage Lock Out
LDO Wake-Up Rising Threshold
2.45
1.8
2
UVLO_IT–
V_BAT Undervoltage Lock Out
LDO Auto-Shutdown Falling
Threshold
1.95
MAX
4.5
(1) Specified by design. Not production tested.
UNIT
V
V
V
V
7.8 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
range.
Voltage divider enabled.
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
7.9 I²C-Compatible Interface Communication Timing 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
NOM
MAX
Standard Mode (100 kHz)
t_d(STA)
Start to first falling edge of SCL
4
UNIT
µs
(1) Specified by design. Not production tested.
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