BQ2014SN-D120TR Datasheet

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bq2014

Absolute Maximum Ratings

Symbol

V

CC

All other pins

REF

V

SR

Parameter

Relative to V

SS

Relative to V

SS

Relative to V

SS

Relative to V

SS

Minimum

-0.3

-0.3

-0.3

-0.3

0

Maximum

7.0

7.0

8.5

7.0

70

Unit

V

V

V

V

掳C

Current limited by R1 (see Figure 1)

Minimum 100鈩?series resistor should

be used to protect SR in case of a

shorted battery (see the bq2014 appli-

cation note for details).

Commercial

Notes

T

OPR

Note:

Operating tempera-

ture

Permanent device damage may occur if

Absolute Maximum Ratings

are exceeded. Functional opera-

tion should be limited to the Recommended DC Operating Conditions detailed in this data sheet. Expo-

sure to conditions beyond the operational limits for extended periods of time may affect device reliability.

DC Voltage Thresholds

(TA = TOPR; V = 3.0 to 6.5V)

Symbol

V

EDVF

V

EDV1

V

SR1

V

SRO

V

OVLD

V

SRQ

V

SRD

V

MCV

V

BR

Notes:

Parameter

Final empty warning, default

First empty warning, default

Discharge compensation threshold

SR sense range

Overload threshold

Valid charge

Valid discharge

Maximum single-cell voltage

Battery removed/replaced

Minimum

0.92

1.02

-120

-300

-220

375

-

2.20

-

2.20

Typical

0.95

1.05

-150

-

-250

-

-

2.25

0.1

2.25

Maximum

0.98

1.08

-180

2000

-280

-

-300

2.30

0.25

2.30

Unit

V

V

mV

mV

mV

碌V

碌V

V

V

V

SB

SB

SR

SR

SR

V

SR

+ V

OS

(see note 1)

V

SR

+ V

OS

(see note 1)

SB

SB pulled low

SB pulled high

Notes

1. Default value; value set in DMF register. V

OS

is affected by PC board layout. Proper layout guide

lines should be followed for optimal performance.

2. To ensure correct threshold determination and proper operation, V

CC

> V

SB

+ 1.5V

16

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