DATASHEET

ISL6292

Li-ion/Li Polymer Battery Charger

The ISL6292 is an integrated single-cell Li-ion or Li-polymer

battery charger capable of operating with an input voltage as

low as 2.4V. This charger is designed to work with various

types of AC adapters or a USB port.

The ISL6292 operates as a linear charger when the AC

adapter is a voltage source. The battery is charged in a

CC/CV (constant current/constant voltage) profile. The

charge current is programmable with an external resistor up

to 2A. The ISL6292 can also work with a current-limited

adapter to minimize the thermal dissipation, in which case,

the ISL6292 combines the benefits of both a linear charger

and a pulse charger.

The ISL6292 features charge current thermal foldback to

guarantee safe operation when the printed circuit board is

space limited for thermal dissipation. Additional features

include preconditioning of an over-discharged battery, an

NTC thermistor interface for charging the battery in a safe

temperature range, automatic recharge, and thermally

enhanced QFN or DFN packages.

FN9105

Rev.9.00

December 17, 2007

Features

• Complete Charger for Single-Cell Li-ion Batteries

• Very Low Thermal Dissipation

• Integrated Pass Element and Current Sensor

• No External Blocking Diode Required

• 1% Voltage Accuracy

• Programmable Current Limit up to 2A

• Programmable End-of-Charge Current

• Charge Current Thermal Foldback

• NTC Thermistor Interface for Battery Temperature Monitor

• Accepts Multiple Types of Adapters or USB BUS Power

• Guaranteed to Operate at 2.65V After Start-Up

• Ambient Temperature Range: -20°C to +70°C

• Thermally-Enhanced QFN Packages

• Handheld Devices, including Medical Handhelds

Pinouts

ISL6292

(16 LD QFN)

TOP VIEW

VBAT

VIN

• PDAs, Cell Phones and Smart Phones

• Portable Instruments, MP3 Players

• Self-Charging Battery Packs

• Stand-Alone Chargers

12 VBAT

11 TEMP

10 IMIN

9 IREF

16 15 14 13

VIN 1

FAULT 2

STATUS 3

TIME 4

5

GND

6

TOEN

7

EN

8

V2P8

• USB Bus-Powered Chargers

• Pb-Free Available (RoHS Compliant)

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

• Technical Brief TB379 “Thermal Characterization of

Packaged Semiconductor Devices”

• Technical Brief TB389 “PCB Land Pattern Design and

Surface Mount Guidelines for QFN Packages”

ISL6292

(10 LD DFN)

TOP VIEW

VIN

FAULT

STATUS

TIME

GND

1

2

3

4

5

10 VBAT

9

8

7

6

TEMP

IREF

V2P8

EN

FN9105 Rev.9.00

December 17, 2007

Page 1 of 20

ISL6292

Ordering Information

PART

NUMBER

ISL6292-1CR3*

ISL6292-1CR3Z* (Note)

ISL6292-2CR3*

ISL6292-2CR3Z* (Note)

ISL6292-1CR4*

ISL6292-1CR4Z* (Note)

ISL6292-2CR4*

ISL6292-2CR4Z* (Note)

ISL6292-1CR5*

ISL6292-1CR5Z* (Note)

ISL6292-2CR5*

ISL6292-2CR5Z* (Note)

ISL6292EVAL1Z

ISL6292EVAL2

PART

MARKING

92-1

921Z

92-2

922Z

629 2-1CR4

629 21CR4Z

629 2-2CR4

629 22CR4Z

629 2-1CR5

6292-1CR5Z

629 2-2CR5

6292-2CR5Z

TEMP.

RANGE (°C)

-20 to +70

PACKAGE

10 Ld 3x3 DFN

10 Ld 3x3 DFN (Pb-free)

10 Ld 3x3 DFN

10 Ld 3x3 DFN (Pb-free)

16 Ld 4x4 QFN

16 Ld 4x4 QFN (Pb-free)

16 Ld 4x4 QFN

16 Ld 4x4 QFN (Pb-free)

16 Ld 5x5 QFN

16 Ld 5x5 QFN (Pb-free)

16 Ld 5x5 QFN

16 Ld 5x5 QFN (Pb-free)

PKG.

DWG. #

L10.3x3

L16.4x4

L16.5x5B

Evaluation Board for the 3x3 DFN Package Part

Evaluation Board for the 4x4 QFN Package Part

*Add “-T” suffix for tape and reel. Please refer to TB347 for details on reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100%

matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations.

Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J

STD-020.

FN9105 Rev.9.00

December 17, 2007

Page 2 of 20

ISL6292

Absolute Maximum Ratings

Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V

Output Pin Voltage (BAT). . . . . . . . . . . . . . . . . . . . . . . -0.3V to 5.5V

Signal Input Voltage (TOEN, TIME, IREF, IMIN) . . . . . -0.3V to 3.2V

Output Pin Voltage (STATUS, FAULT) . . . . . . . . . . . . . . . -0.3V to 7V

Charge Current (For 4x4 or 5x5 QFN Packages) . . . . . . . . . . . 2.1A

Charge Current (For 3x3 DFN Package) . . . . . . . . . . . . . . . . . 1.6A

Thermal Information

Thermal Resistance (Junction to Ambient)



JA

(°C/W)



JC

(°C/W)

5x5 QFN Package (Notes 1, 2) . . . . . .

34

4

4x4 QFN Package (Notes 1, 2) . . . . . .

41

4

3x3 DFN Package (Notes 1, 2) . . . . . .

46

4

Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C

Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C

Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Recommended Operating Conditions

Ambient Temperature Range . . . . . . . . . . . . . . . . . . .-20°C to +70°C

Supply Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3V to 6.5V

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and

result in failures not covered by warranty.

NOTES:

1.



JA

is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See

Tech Brief TB379.

2.



JC

, “case temperature” location is at the center of the exposed metal pad on the package underside. See Tech Brief TB379.

Electrical Specifications

Typical values are tested at V

IN

= 5V and +25°C Ambient Temperature, maximum and minimum values are

guaranteed over 0°C to +70°C Ambient Temperature with a supply voltage in the range of 4.3V to 6.5V, unless

otherwise noted.

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

PARAMETER

POWER-ON RESET

Rising VIN Threshold

Falling VIN Threshold

STANDBY CURRENT

VBAT Pin Sink Current

VIN Pin Supply Current

VOLTAGE REGULATION

Output Voltage

Dropout Voltage

CHARGE CURRENT

Constant Charge Current

Trickle Charge Current

Constant Charge Current

Trickle Charge Current

Constant Charge Current

Trickle Charge Current

End-of-Charge Threshold

RECHARGE THRESHOLD

Recharge Voltage Threshold

3.0

2.11

3.4

2.4

4.0

2.65

V

I

STANDBY

I

VIN

I

VIN

VIN floating or EN = LOW

VBAT floating and EN pulled low

VBAT floating and EN floating

-

30

1

3.0

-

µA

mA

V

CH

V

CH

ISL6292-1

ISL6292-2

VBAT = 3.7V, 0.5A, 4x4 or 5x5 package

VBAT = 3.7V, 0.5A, 3x3 package

4.059

4.158

-

4.10

4.20

140

175

4.141

4.242

-

V

mV

I

CHARGE

I

TRICKLE

I

CHARGE

I

TRICKLE

I

CHARGE

I

TRICKLE

R

IREF

= 80k, V

BAT

= 3.7V

R

IREF

= 80k, V

BAT

= 2.0V

IREF Pin Voltage > 1.2V, V

BAT

= 3.7V

IREF Pin Voltage > 1.2V, V

BAT

= 2.0V

IREF Pin Voltage < 0.4V, V

BAT

= 3.7V

IREF Pin Voltage < 0.4V, V

BAT

= 2.0V

R

IMIN

= 80k

0.9

-

400

-

85

1.0

110

450

45

-

10

110

1.1

-

520

-

100

-

135

A

mA

V

RECHRG

V

RECHRG

ISL6292-2

ISL6292-1

-

4.0

3.90

-

V

FN9105 Rev.9.00

December 17, 2007

Page 3 of 20

ISL6292

Electrical Specifications

Typical values are tested at V

IN

= 5V and +25°C Ambient Temperature, maximum and minimum values are

guaranteed over 0°C to +70°C Ambient Temperature with a supply voltage in the range of 4.3V to 6.5V, unless

otherwise noted.

(Continued)

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

PARAMETER

TRICKLE CHARGE THRESHOLD

Trickle Charge Threshold Voltage

TEMPERATURE MONITORING

Low Battery Temperature Threshold

High Battery Temperature Threshold

Battery Removal Threshold

Charge Current Foldback Threshold

Current Foldback Gain

OSCILLATOR

Oscillation Period

LOGIC INPUT AND OUTPUT

TOEN Input High

TOEN and EN Input Low

IREF and IMIN Input High

IREF and IMIN Input Low

STATUS/FAULT Sink Current

V

MIN

2.7

2.8

3.0

V

TMIN

V

TMAX

V

RMV

T

FOLD

G

FOLD

V2P8 = 3.0V

1.45

0.36

-

85

-

1.51

0.38

2.25

100

1.57

0.40

-

115

-

V

°C

mA

/

°C

t

OSC

C

TIME

= 15nF

2.4

3.0

3.6

ms

2.0

-

1.2

-

Pin Voltage = 0.8V

5

-

0.8

-

0.4

-

V

mA

Typical Operating Performance

4.2015

4.2010

4.2005

4.2000

V

BAT

(V)

R

IREF

= 40k

The test conditions for the Typical Operating Performance are: V

IN

= 5V, T

A

= +25°C,

R

IREF

= R

IMIN

= 80k, V

BAT

= 3.7V, Unless Otherwise Noted.

4.210

4.208

4.206

4.204

V

BAT

(V)

4.202

4.200

4.198

4.196

CHARGE CURRENT = 50mA

4.1995

4.1990

4.1985

4.1980

4.1975

0

0.3

0.6

0.9

1.2

1.5

4.194

4.192

4.190

CHARGE CURRENT (A)

0

20

40

60

80

100

120

TEMPERATURE (°C)

FIGURE 1. CHARGER OUTPUT VOLTAGE vs CHARGE

CURRENT

FIGURE 2. CHARGER OUTPUT VOLTAGE vs TEMPERATURE

FN9105 Rev.9.00

December 17, 2007

Page 4 of 20

ISL6292

Typical Operating Performance

4.30

The test conditions for the Typical Operating Performance are: V

IN

= 5V, T

A

= +25°C,

R

IREF

= R

IMIN

= 80k, V

BAT

= 3.7V, Unless Otherwise Noted.

(Continued)

2.0

2A

1.5A

CHARGE CURRENT = 50mA

4.25

V

BAT

(V)

CHARGE CURRENT (A)

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

USB500

0.5A

1A

4.20

4.15

USB100

3.4

3.6

V

BAT

(V)

3.8

4.0

4.10

4.2

0

4.5

4.8

5.1

5.4

V

IN

(V)

5.7

6.0

6.3

3.0

3.2

FIGURE 3. CHARGER OUTPUT VOLTAGE vs INPUT

VOLTAGE CHARGE CURRENT = 50mA

FIGURE 4. CHARGE CURRENT vs OUTPUT VOLTAGE

1.6

1.4

CHARGE CURRENT (A)

1.2

1.0

1.0A

0.8

0.6

0.4

0.2

0.0

0

20

40

60

80

100

120

0.5A

1.5A

CHARGE CURRENT (A)

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

USB100

4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1 6.3 6.5

V

IN

(V)

0.5A

USB500

1.5A

2A

1A

TEMPERATURE (°C)

FIGURE 5. CHARGE CURRENT vs AMBIENT TEMPERATURE

FIGURE 6. CHARGE CURRENT vs INPUT VOLTAGE

2.930

3.00

2.95

V2P8 VOLTAGE (V)

2.928

V2P8 VOLTAGE (V)

V2P8 PIN LOADED WITH 2mA

2.90

2.85

2.80

2.75

2.70

2.926

2.924

2.922

2.920

3.5

4.0

4.5

5.0

V

IN

(V)

5.5

6.0

6.5

0

2

4

6

8

10

V2P8 LOAD CURRENT (mA)

FIGURE 7. V2P8 OUTPUT vs INPUT VOLTAGE

FIGURE 8. V2P8 OUTPUT vs ITS LOAD CURRENT

FN9105 Rev.9.00

December 17, 2007

Page 5 of 20

参数名称	属性值
Product Attribute	Attribute Value
制造商 Manufacturer	Renesas(瑞萨电子)
产品种类 Product Category	Power Management IC Development Tools
RoHS	N
产品 Product	Development Kits
工厂包装数量 Factory Pack Quantity	1

ISL6292EVAL2

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