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MP2606DQ-LF-Z

P1-P3P4-P6P7-P9P10-P10
MP2606
Single-Cell 1A Linear Li-Ion
Battery Charger without Trickle Charge
MP2606 Rev. 1.0 www.MonolithicPower.com 1
1/25/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
The Future of Analog IC Technology
DESCRIPTION
The MP2606 is a linear, high-performance
single cell Li-Ion battery charger. By integrating
high voltage input protection into the charger IC,
the MP2606 can tolerate an input surge up to
28V.
The device features constant current (CC) and
constant voltage (CV) charging modes with
programmable charge currents (85mA to 1A),
programmable battery full threshold, thermal
protection and reverse current blocking. The
device also provides AC adapter power good
and charge status indications to the system.
MP2606 is available in 10-pin 3mm x 3mm QFN
package.
EVALUATION BOARD REFERENCE
Board Number Dimensions
EV2606DQ-00A 2.0” x 1.9” x 0.6”
FEATURES
• Input Surge up to 28V
• Adapter or USB Input
• Programmable Charge Current: 85mA to 1A
• Proprietary Constant Voltage Auto Recharge
• Proprietary Over-Voltage Protection
• 0.75% V
BATT
Accuracy
• <1µA Battery Reverse Current
• 90µA Standby Current from V
IN
• Over Current Protection
• AC Adapter Power Good Indicator
• Charge Status Indicator
• Programmable Soft-Start
• Programmable Charge Termination Current
Threshold
• Tiny 3mm x 3mm QFN Package
APPLICATIONS
• Cell Phones
• MP3/Multimedia Players
• Smart Phones
• PDAs
• Digital Cameras
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MP2606
BATT
ISET
EN
SS
GND
10
9
4
7
6
INVIN
GND
EN
CHG
ACOK
IBFH
IBFL
1
2
3
5
8
I
BATT
LED1
Green
LED2
Red
BAT
JP4
GND
JP1 JP2 JP3
MP2606 – SINGLE CELL 1A LINEAR LI-ION BATTERY CHARGER W/O TRICKLE CHARGE
MP2606 Rev. 1.0 www.MonolithicPower.com 2
1/25/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
PACKAGE REFERENCE
TOP VIEW
IN
CHG
ACOK
EN
IBFH
1
2
3
4
5
BATT
ISET
IBFL
SS
GND
10
9
8
7
6
EXPOSED PAD
ON BACKSIDE
Part Number* Package Temperature
MP2606DQ
QFN10
(3mm x 3mm)
–40°C to +85°C
*
For Tape & Reel, add suffix –Z (e.g. MP2606DQ–Z)
For RoHS Compliant Packaging, add suffix –LF
(e.g. MP2606DQ–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
IN to GND .................................... –0.3V to +28V
All Other Pins to GND................. –0.3V to +6.5V
Junction Temperature...............................140°C
Lead Temperature ....................................260°C
Storage Temperature ..............–65°C to +150°C
Recommended Operating Conditions
(2)
Nominal Supply Voltage V
IN
............ 3.5V to 6.5V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
(3)
θ
JA
θ
JC
3x3 QFN10 ............................. 50 ...... 12... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
V
IN
= 5V, V
EN
= 0V, T
A
= +25°C, unless otherwise noted.
Parameter Symbol Condition Min Typ Max Units
EN = High
40
Supply Current I
SUPPLY
EN = Low, I
CHG
= 0A
500
µA
T = +25°C, I
BATT
= 0 4.179 4.20 4.221
T = 0°C to +50°C, I
BATT
= 0 4.168 4.20 4.232
Battery Voltage Regulation V
BATT
T = –5°C to +75°C, I
BATT
= 0 4.158 4.20 4.242
V
Battery Over-Voltage
Protection
I
BATT_OVP
V
BATT
= 4.25V 0 µA
Constant Current
Regulation
I
CHG
V
IN
= 5V, V
BATT
= 3.8V
R
CHG
= 3.3kΩ
450 515 580 mA
Constant Current Variation
V
IN
= 5V, V
BATT
= 3.8V,
T
J
= 0°C to +120°C,
R
CHG
= 1.6kΩ to 8.0kΩ
87 100 113 %I
CHG
(4)
Battery Full Programming
Range
I
BF
Refer to Operation section for
programming I
BF
10 50 %I
CHG
(4)
IBF Accuracy 75 125 %I
BF
(5)
SS Pin Voltage C
SS
= 0.1uF, V
BATT
= 3.6V 1.19 1.23 1.27 V
Input
ACOK
Up Range
6.8 7.0 7.2 V
Input ACOK Low Range
1.8 2.5 3.2 V
EN Trip Threshold High
2.0 V
EN Trip Threshold Low
0.4 V
MP2606 – SINGLE CELL 1A LINEAR LI-ION BATTERY CHARGER W/O TRICKLE CHARGE
MP2606 Rev. 1.0 www.MonolithicPower.com 3
1/25/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
V
IN
= 5V, V
EN
= 0V, T
A
= +25°C, unless otherwise noted.
Parameter Symbol Condition Min Typ Max Units
CHG
,
ACOK
Sink Current
Pin Voltage = 0.4V 8 mA
Battery Reverse Current to
BATT Pin
EN = Low and Input = Floating or
0V
1 µA
TBD TBD Switch-On
Resistance
R
ON
V
BATT
= 3.8V, I
BATT
= 300mA,
R
CHG
= 1.7kΩ
0.35
Ω
Soft Thermal Shutdown
Threshold
105 120 135 °C
Soft Thermal Shutdown
Hysteresis
10 °C
Soft-Start Time C
SS
= 0.1µF 10 20 35 ms
Notes:
4) I
CHG
is the target preprogrammed charge current (Die temperature below 110°C).
5) I
BF
is the target preprogrammed battery full current threshold.
PIN FUNCTIONS
Pin # Name Description
1 IN Input Supply Pin. IN receives the AC adapter or USB supply voltage.
2
CHG
Open-Drain Charge Status Indicator. This pin is low during charging.
3
ACOK
Open-Drain Input ACOK Indicator. This pin is low if the voltage at the IN pin is between 2.5V
and 6V.
4
EN
Charger IC Enable. An input “Low” signal at this pin or if the pin is floating will enable the IC.
5 IBFH Change Status Hysteresis Program Pin. (See the formular on page 7)
6 GND Ground.
7 SS
Soft-Start Timer. Connect this pin to an external capacitor to program the soft-start startup time
using the equation:
secm20
F1.0
C
T
SS
SS
×
µ
= .
8 IBFL
Charge Status Threshold Program. Connect this pin to an external resistor to program the
charge termination current or battery full charge current.
9 ISET
Constant Charge Current Program. Connect this pin to an external resistor to program the
charging current in CC Mode.
10 BATT Charger Output.
P1-P3P4-P6P7-P9P10-P10

MP2606DQ-LF-Z

Mfr. #:
Buy MP2606DQ-LF-Z
Manufacturer:
Monolithic Power Systems (MPS)
Description:
Battery Management Single-Cell Li-ion Battery Charger
Lifecycle:
New from this manufacturer.
Delivery:
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