9

bq2058

Symbol

Parameter

Minimum

Typical

Maximum

Unit

Conditions/Notes

Output high voltage

--

V

µA, CHG, DSG

Output low voltage

-

-

V

µA, CHG, DSG

Operating voltage

4

-

18.0

V

Input low voltage

-

-

V

Pin CTL

Input high voltage

-

-

V

Pin CTL

Input low voltage

-

-

V

Pin NSEL

Input high voltage

-

-

-

Pin NSEL

Active current

-

25

40

µA

Sleep current

-

0.7

1.5

µA

Symbol

Parameter

Value

Unit

Tolerance

Conditons

Overvoltage threshold

(See Figure 5)

4.25

V

±50mV

See note 1

4.375

V

±55mV

For bq2058G only

See note 3

Table 2

Customer option

Charge enable threshold

V

±50mV

V

±50mV

For bq2058W only

Undervoltage threshold

2.25

V

±100mV

2.10

V

±100mV

For bq2058W only

Overcurrent detect high-side

160

mV

±35mV

Overcurrent detect low-side

160

mV

±35mV

Charge detect threshold

70

mV

-60mV, +80mV

Overvoltage delay threshold

950

ms

±40%

See note 2

Undervoltage delay threshold

950

ms

±40%

See note 2

Overcurrent delay threshold

12

ms

±40%

Notes:

1. Standard device. Contact Unitrode for different thresholds and tolerance options.

2. Does not include cell sampling delay, which may add up to 160ms of additional delay until the

condition is detected.

3. bq2058G is designed only for 3-cell applications.