Datasheet

bq78PL116
www.ti.com SLUSAB8B –OCTOBER 2010– REVISED FEBRUARY 2011
ELECTRICAL CHARACTERISTICS
T
A
= –40°C to 85°C (unless otherwise noted)
DC Characteristics
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
DD
Operating-mode current (at Acrtive mode, cells = 3.6 V 400 μA
V2)
I
STBY
Standby-mode current (at V2) SMBCLK = SMBDAT = VSS, I
BAT
= 0, 185 μA
cells = 3.6 V
I
SHIP
Ship-mode current (at V2) SMBCLK = SMBDAT = VSS, I
BAT
= 0, 85 μA
cells = 3.6 V
Extreme cell undervoltage All cells < 2.7 V and any cell < ECUV set
I
ECUV
1 μA
shutdown current point
V
OL
SPROT, LEDEN, I
OL
< 4 mA 0 0.5 V
PSH/BP/TP(bq78PL116),
FIELD(bq78PL116)
V
OH
(1)
SPROT, LEDEN, I
OH
< –4 mA V
LDO1
– 0.1 V
PSH/BP/TP(bq78PL116),
FIELD(bq78PL116)
V
IL
SPROT, LEDEN, 0.25 V
LDO1
V
PSH/BP/TP(bq78PL116),
FIELD(bq78PL116)
V
IH
SPROT, LEDEN, 0.75 V
LDO1
V
PSH/BP/TP(bq78PL116),
FIELD(bq78PL116)
(1) Does not apply to SMBus pins.
Voltage-Measurement Characteristics
T
A
= –40°C to 85°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Measurement range 2.75 4.5 V
Resolution <1 mV
25°C ±3 ±7
Accuracy
(1)
mV
0°C to 60°C ±10
Measurement temperature coefficient 160 180 200 µV/°C
(1) Voltage measurement calibrated at factory
Current-Sense Characteristics
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Measurement range Hardware gain = 9 –0.112 0.1 V
Measurement range (SENSE1) 10-mΩ sense resistor
(1)
–11.2 10 A
Measurement range (SENSE2) 3-mΩ sense resistor (hardware gain = 13) –25.8 25.8 A
Measurement range (SENSE3) 1-mΩ sense resistor
(2)
–112 100 A
Input offset T
A
= 25°C ±50 μV
Offset drift T
A
= 0°C to 60°C 0.5 μV/°C
Resolution Hardware gain = 9 10 μV
Full-scale error
(3)
T
A
= 25°C ±0.1%
Full-scale error drift T
A
= 0°C to 60°C 50 PPM/°C
(1) Default setting
(2) Measurement range beyond ±32,768 mA requires the use of an SBData IPScale Factor.
(3) After calibration. Accuracy is dependent on system calibration and temperature coefficient of sense resistor.
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