bq24072T

bq24075T, bq24079T

www.ti.com

SLUS937A – DECEMBER 2009 – REVISED APRIL 2010

ABSOLUTE MAXIMUM RATINGS

(1) (2)

over operating free-air temperature range (unless otherwise noted)

VALUE / UNIT

IN (with respect to VSS)

–0.3 to 28 V

BAT (with respect to VSS)

–0.3V to 5V

Input voltage

OUT, EN1, EN2, CE, TS, ISET, PGOOD, CHG, ILIM, VREF, ITERM, SYSOFF, TD

–0.3 TO 7 V

(with respect to VSS)

Input current

IN

1.6 A

OUT

5A

Output current

BAT (Discharge mode)

5A

(Continuous)

BAT (Charging mode)

1.5A

Output sink current

CHG, PGOOD

15 mA

–40°C to 150°C

–65°C to 150°C

(1)

Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating

conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

The IC operational charging life is reduced to 20,000 hours, when charging at 1.5A and 125°C. The thermal regulation feature reduces

charge current if the IC’s junction temperature reaches 125°C; thus without a good thermal design the maximum programmed charge

current may not be reached.

DISSIPATION RATINGS

DERATING FACTOR

PACKAGE

POWER RATING

QFN-16 RGT

39.47 °C/W

2.4°C/W

2.3 W

225 mW

RECOMMENDED OPERATING CONDITIONS

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNITS

IN voltage range

4.35

26

V

IN operating voltage range

4.35

6.4

V

Input current, IN pin

1.5

A

Current, OUT pin

4.5

A

Current, BAT pin (Discharging)

4.5

A

Current, BAT pin (Charging)

A

Junction Temperature

0

125

°C

Maximum input current programming resistor

1.07

7.5

k

Ω

590

3000

Ω

Termination current programming resistor

0

15

k

Ω

Timer programming resistor

18

72

k

Ω

(1)

The IC operational charging life is reduced to 20,000 hours, when charging at 1.5A and 125°C. The thermal regulation feature reduces

charge current if the IC’s junction temperature reaches 125°C; thus without a good thermal design the maximum programmed charge

current may not be reached.

(2)

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