4

DCSET Input Bias Current Hysteresis

2

3.4

4.8

µA

DCSET Input Bias Current

DCSET

≥ 1.26V

2

3.4

4.8

µA

DCSET Input Bias Current

DCSET < 1.26V

-1

0

1

µA

OSCILLATOR

Frequency

240

300

360

kHz

PWM Ramp Voltage (peak-peak)

CSIP = 18V

1.4

1.55

1.7

V

CSIP = 11V

0.8

0.9

1.0

V

SYNCHRONOUS BUCK REGULATOR

Maximum Duty Cycle

300kHz

97

99

99.6

%

UGATE Pull-up Resistance

BOOT-PHASE = 5V, 500mA source current

1.8

3.0

Ω

UGATE Source Current

BOOT-PHASE = 5V, BOOT-UGATE = 2.5V

1.0

A

UGATE Pull-down Resistance

BOOT-PHASE = 5V, 500mA sink current

0.9

1.8

Ω

UGATE Sink Current

BOOT-PHASE = 5V, UGATE-PHASE = 2.5V

1.8

A

LGATE Pull-up Resistance

VDDP-PGND = 5V, 500mA source current

1.8

3.0

Ω

LGATE Source Current

VDDP-PGND = 5V, VDDP-LGATE = 2.5V

1.0

A

LGATE Pull-down Resistance

VDDP-PGND = 5V, 500mA sink current

0.9

1.8

Ω

LGATE Sink Current

VDDP-PGND = 5V, LGATE = 2.5V

1.8

A

CHARGING CURRENT SENSING AMPLIFIER

Input Common Mode Range

0

18

V

Input Offset Voltage

Guarantee by design

-3

0

3

mV

Input Bias Current at CSOP

0 < CSOP < 18V

10

20

µA

Input Bias Current at CSON

0 < CSON < 18V

300

425

µA

CSOP to CSON Input Full Scale Sense Voltage

CHLIM = 3.3V

123

127

131

mV

CHLIM = VREF

96

100

104

mV

CHLIM = FLOAT

61

65

69

mV

CHLIM = GND

26

30

34

mV

CSOP to CSON Input Full Scale Sense Voltage in Trickle

Charge Mode

CHLIM = 3.3V

6

8.9

12.0

mV

CHLIM = VREF

4.0

7.5

11.0

mV

CHLIM = FLOAT

2.5

5.6

9.0

mV

CHLIM = GND

1.5

3.7

7.0

mV

Trickle Charge Threshold Voltage

CSON Rising

3.0

3.1

3.2

V/CELL

Hysteresis

20

100

180

mV/CELL

CHLIM Input Bias Current

CHLIM = GND or VREF

-25

25

µA

ADAPTER CURRENT SENSING AMPLIFIER

Input Common Mode Range

7

25

V

Input Offset Voltage

Guarantee by design

-2

2

mV

Input Bias Current at CSIP

0 < CSIP < DCIN

325

475

µA

Input Bias Current at CSIN

0 < CSIN < DCIN

1

10

µA

ADAPTER CURRENT LIMIT THRESHOLD

CSIP to CSIN Input Full Scale Sense Voltage

ACLIM = VREF

100

103

106

mV

ACLIM = Float

75

78

81

mV

ACLIM = GND

50

53

56

mV

Electrical Specifications

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6253