5

FN9203.1

June 17, 2005

ADAPTER CURRENT LIMIT THRESHOLD

CSIP to CSIN Full-Scale Current Sense

Voltage

ACLIM=VREF

97

100

103

mV

ACLIM=Float

72

75

78

mV

ACLIM=GND

47

50

53

mV

ACLIM Input Bias Current

ACLIM= VREF

10

16

20

µA

ACLIM=GND

-20

-16

-10

µA

VOLTAGE REGULATION ERROR AMPLIFIER

Error Amplifier Transconductance from

CSON to VCOMP

CELLS=VDD

30

µA/V

CURRENT REGULATION ERROR AMPLIFIER

Charging Current Error Amplifier Trans-

conductance

50

µA/V

Adapter Current Error Amplifier Trans-

conductance

50

µA/V

BATTERY CELL SELECTOR

CELLS Input Voltage for 4 Cell Select

4.3

V

CELLS Input Voltage for 3 Cell Select

2V

CELLS Input Voltage for 2 Cell Select

2.1

4.2

V

MOSFET DRIVER

BGATE Pull-up Current

CSIP-BGATE=3V

10

30

45

mA

BGATE Pull-down Current

CSIP-BGATE=5V

2.7

4.0

5.0

mA

CSIP-BGATE Voltage High

8

9.6

11

V

CSIP-BGATE Voltage Low

50

0

50

mV

DCIN-CSON Threshold for CSIP-BGATE

Going High

DCIN=12V, CSON Rising

-100

0

100

mV

DCIN-CSON Threshold Hysteresis

250

300

400

mV

SGATE Pull-up Current

CSIP-SGATE=3V

7

12

15

mA

SGATE Pull-down Current

CSIP-SGATE=5V

50

160

370

µA

CSIP-SGATE Voltage High

8

9

11

V

CSIP-SGATE Voltage Low

-50

0

50

mV

CSIP-CSIN Threshold for CSIP-SGATE

Going High

2.5

5.5

10

mV

CSIP-CSIN Threshold Hysteresis

1

2

5

mV

LOGIC INTERFACE

EN Input Voltage Range

0VDD

V

EN Threshold Voltage

Rising

1.030

1.06

1.100

V

Falling

0.985

1.000

1.025

V

Hysteresis

30

60

90

mV

EN Input Bias Current

EN=2.5V

1.8

2.0

2.2

µA

ACPRN Sink Current

ACPRN=0.4V

3

8

11

mA

Electrical Specifications

DCIN=CSIP=CSIN=18V, CSOP=CSON=12V, ACSET=DCSET=1.5V, ACLIM=VREF, VADJ=Floating,

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6255, ISL6255A