Datasheet

bq78PL116
SLUSAB8B –OCTOBER 2010– REVISED FEBRUARY 2011 www.ti.com
Coulomb-Count Characteristics
(1) (2)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Resolution 5 nVh
Intergral nonlinearity 0.008%
Snap-to-zero (deadband) ±100
(3)
μV
(1) Shares common input with current-sense section (CCBAT, CCPACK)
(2) After calibration. Accuracy is dependent on system calibration and temperature.
(3) Corresponds to ±10 mA with 10-mΩ sense resistor
Current-Sense (Safety) Characteristics
(1)
over free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Measurement range –0.312 0.312 V
Minimum threshold setting 25 42 mV
Accuracy
(1)
Short-circuit detection –20 20 mV
Overcurrent detection, charge and discharge –4 4
Short-circuit detection 10
Resolution mV
Overcurrent detection, charge and discharge 1.25
Short-circuit detection 0.1 3.2
Duration ms
Overcurrent detection, charge and discharge 0.9 106
(1) After calibration. Accuracy is dependent on system calibration and temperature coefficient of sense resistor.
Internal Temperature-Sensor Characteristics
(1)
over free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Measurement range –30 85 °C
Resolution 0.1 °C
Accuracy
(1)
0° to 85° ±2 °C
(1) After calibration. Accuracy is dependent on system calibration.
LDO Voltage Characteristics
(1)
over free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
LDO1
LDO1 operating voltage, referenced to Load = –200 μA 2.425 2.5 2.575 V
VSS
V
LDO2
LDO2 operating voltage, referenced to V2 Load = –2 mA 2.425 2.5 2.575 V
(1) After calibration. Accuracy is dependent on system calibration.
External Temperature-Sensor Characteristics
over free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Measurement range –40 90 °C
Resolution 0.2 °C
25° ±2
Accuracy
(1)
°C
0° to 85° ±2
Source current 30 50 70 µA
(1) After calibration. Accuracy is dependent on system calibration.
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