BQ28Z560-R1_14 Datasheet, PDF (6/61 Pages) Texas Instruments – Single Cell Li-Ion Battery Gas Gauge

bq28z560-R1
Not Recommended For New Designs
SLUSBD3 – APRIL 2013
RECOMMENDED OPERATING CONDITIONS
T_A = 25ºC, V_BAT = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
V_BAT
BAT pin 4 input
2.45
NORMAL operating mode
Gas gauge in NORMAL mode. I_LOAD > Sleep
Current
141
Low-power
Gas gauge in SLEEP mode. I_LOAD < Sleep
Current
70
I_BAT
Sleep
Gas gauge in FULLSLEEP mode. I_LOAD <
Sleep Current
31
Hibernate
Gas gauge in HIBERNATE mode. I_LOAD <
Hibernate Current
16
Shutdown
Gas gauge in SHUTDOWN mode
1
I_SS
C_REG
C_BAT
R_PACKN
Maximum current
Regulator output capacitor
V_BAT input filter capacitor
Resistor from VM to
PACKN
0.1
0.1
510
R_{PU_}
V_{PU_}
V_{IL_}
SDA pull up resistor
SDA pull up voltage
SDA, SCL OR GPIO Input
voltage low
1.3
1.8
–0.3
V_{IH_}
SDA, SCL OR GPIO Input
voltage high
1.2
V_{OL_}
SDA or GPIO output
voltage low
I_OL = 3 mA (open drain)
0
C_I
Capacitance for each I/O
pin
SDA and SCL input capacitance
t_PUCD
Power Up Communication
Delay
250
V_AI2
Input voltage range (SRP,
SRN)
V_SS – 0.25
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MAX
5.5
UNIT
V
µA
20
mA
µF
µF
Ω
3.3
kΩ
4.2
V
0.6
V
6
V
0.4
V
10
pF
ms
0.25
V
BATTERY PROTECTION
T_A = –40 to +85ºC, V_BAT =1.5 V to 5.5 V; Typical values stated, where T_A = 25ºC and V_BAT =3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
NOM
MAX
UNIT
V_ST
Minimum operating voltage for
0 V charging
V_ST = V_BAT – VM
1.2
V
R_SHORT
R_DS
V_OL1
Overcurrent release resistance
DS pin pull-down resistance
COUT Low Level Output voltage
(referenced to VM)
V_BAT = 4.0 V, VM = 1 V
V_BAT = 4.0 V
I_OL = 30 µA, V_BAT = 4.5 V
30
50
100
kΩ
6.5
13.0
26.0
kΩ
0.4
0.5
V
V_OH1
COUT High Level Output voltage
(referenced to VM)
I_OH = 30 µA, V_BAT = 4.0 V
3.4
3.7
V
V_OL2
DOUT Low Level Output voltage
(referenced to Vss)
I_OL = 30 µA, V_BAT = 2.0 V
0.2
0.5
V
V_OH2
DOUT High Level Output voltage
(referenced to Vss)
I_OH = 30 µA, V_BAT = 4.0 V
3.4
3.7
V
V_DET1
V_REL1
Overcharge detection
Overcharge release voltage
T_A = 25˚C detection voltage
T_A = –10 to 60˚C
T_A = –40 to 85˚C
T_A = 25˚C
T_A = –10 to 60˚C
T_A = –40 to 85˚C
4.230
4.250
4.270
4.225
4.250
4.275
V
4.200
4.250
4.300
4.040
4.070
4.100
4.025
4.070
4.115
V
4.010
4.070
4.130
6
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