DS2715: NiMH Cell Pack Charge Controller

2 of 12

ABSOLUTE MAXIMUM RATINGS*

-0.3V to +18V

Voltage on LED1 and LED2 Pins

-0.3V to +18V

Voltage on SNS-

-0.3V to +0.3V

-0.3V to 6V

Voltage on all Other Pins

28mA

Operating Temperature Range

-20°C to +85°C

Storage Temperature Range

-55°C to +125°C

Soldering Temperature

See IPC/JEDECJ-STD-020

*This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation

sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(4.5V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

(Note 1)

4.5

16.5

V

LED1, LED2 Voltage

(Note 1)

0.0

16.5

V

Mode Voltage

(Note 1)

0.0

V

(Note 1)

0.0

16.5

V

.02

.15

µF

20

240

KΩ

DC ELECTRICAL CHARACTERISTICS

(4.5V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

1.3

1.6

mA

Operating Current

(Note 2)

Comparator Mode,

150

250

µA

Idle Current

10

µA

Discharge Current

Discharge latch set (Note 2)

200

µA

UVLO Threshold

3.8

3.9

4.0

V

UVLO Hysteresis

35

mV

20

mA

LED1, LED2 Sink Current

20

mA

LED1, LED2

Pin inactive or Device Idle

-1

+1

µA

THM Pin Leakage

Current

-1

+1

µA

Current

-50

+50

nA

3.9

4.0

4.3

V

DIV Pin Load Current

500

uA

Current Sense Amplifier

Gain

5

6.25

7.5

Ω

-1

Current Sense

Comparator Gain

(Note 7)

10

Ω

-1