bq78PL116

SLUSAB8B

– OCTOBER 2010 – REVISED FEBRUARY 2011

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Coulomb-Count Characteristics

(1) (2)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Resolution

5

nVh

Intergral nonlinearity

0.008%

Snap-to-zero (deadband)

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

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

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

LDO1 operating voltage, referenced to

Load =

–200 μA

2.425

2.5

2.575

V

VSS

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

°C

0

° to 85°

±2

Source current

30

50

70

µA

(1)

After calibration. Accuracy is dependent on system calibration.

8

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