Li+ Battery-Pack Protector with

Integrated Fuse Driver

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Disconnected Pin Test Time

Test time per cell

0.2

ms

TEST Input High

2.2

V

Minimum TEST High Duration

50

µs

TEST Input Low

0.8

V

TEST Pulldown to PKN

17

33

k

Ω

Thermal Impedance,

Junction to Case

5

°C/W

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

B4P Voltage Range

20

V

B3P Voltage Range

15

V

B2P Voltage Range

10

V

B1P Voltage Range

5V

Overvoltage Detection Threshold

Cell voltage rising

4.35

4.55

V

Overvoltage Detection Threshold,

Test Mode

Cell voltage rising, test mode

1.95

2.45

V

SCR Release Threshold

Cell voltage falling

3.80

4.2

V

Standby Mode Threshold

Cell voltage falling

2.25

4.15

V

Overvoltage Delay

1.85

2.45

s

Supply Current

(Note 2)

8

µA

Standby Current

Individual cell voltages = 2.2V

1

µA

OUT Output Sink Current

OUT = 2V, current not internally limited

1.0

A

OUT Voltage

(when SCR Is Triggered)

2.2

V

DRV Output Voltage Low

0.4

V

DRV Output Voltage High

3.9

5.5

V

DRV Output Voltage High

2.0

5.5

V

DRV Sink Current

2

mA

DRV Source Current

2

mA

Test-Mode Delay

(Note 4)

1.25

ms

Test-Mode Output Duration

(Note 4)

95

165

ms

DISCON Output Voltage Low

0.4

V

TEST Input High

2.6

V

TEST Input Low

0.8

V

TEST Pulldown to PKN

17

33

k

Ω

Note 1: See the Normal Operating Mode section.

Note 2: The supply current is measured at the top cell and averaged over one sampling interval.

Note 3: Guaranteed by design.

Note 4: See Figure 7.