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MAX1507ETA

Description
Linear Li+ Battery Charger with Integrated Pass FET and Thermal Regulation in 3mm x 3mm Thin DFN
CategoryPower/power management    The power supply circuit   
File Size219KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX1507ETA Overview

Linear Li+ Battery Charger with Integrated Pass FET and Thermal Regulation in 3mm x 3mm Thin DFN

MAX1507ETA Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSON
package instruction3 X 3 MM, 0.80 MM HEIGHT, EXPOSED PAD, MO-229, TDFN-8
Contacts8
Reach Compliance Code_compli
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-PDSO-N8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC8,.12,25
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)240
power supply5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)2 mA
Maximum supply voltage (Vsup)13 V
Minimum supply voltage (Vsup)
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formNO LEAD
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3 mm
19-2899; Rev 1; 11/03
KIT
ATION
EVALU
E
BL
AVAILA
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
General Description
The MAX1507 is an intelligent, stand-alone constant-cur-
rent, constant-voltage (CCCV), thermally regulated linear
charger for a single-cell lithium-ion (Li+) battery. The
MAX1507 integrates the current-sense circuit, MOS pass
element, and thermal-regulation circuitry, and also elimi-
nates the reverse-blocking Schottky diode to create the
simplest and smallest charging solution for hand-held
equipment.
The MAX1507 functions as a stand-alone charger to
control the charging sequence from the prequalification
state through fast-charge, top-off charge, and full-
charge indication.
Proprietary thermal-regulation circuitry limits the die
temperature when fast charging or while exposed to
high ambient temperatures, allowing maximum charg-
ing current without damaging the IC.
The MAX1507 achieves high flexibility by providing an
adjustable fast-charge current and thermal regulation
setpoints. Other features include the charging status
(CHG) of the battery and an active-low control input (EN).
The MAX1507 accepts a +4.25V to +13V supply, but dis-
ables charging when the input voltage exceeds +7V to
protect against unqualified or faulty AC adapters. The
MAX1507 operates over the extended temperature
range (-40°C to +85°C) and is available in a compact
8-pin thermally enhanced 3mm x 3mm Thin DFN pack-
age with 0.8mm height.
Features
Stand-Alone Linear 1-Cell Li+ Battery Charger
No External FET, Reverse-Blocking Diode, or
Current-Sense Resistor Required
Programmable Fast-Charge Current (0.8A max)
Proprietary Programmable Die-Temperature
Regulation Control (+90°C, +100°C, and +130°C)
+4.25V to +13V Input Voltage Range with Input
Overvoltage Protection (OVP) Above +7V
Charge-Current Monitor for Fuel Gauging
Low Dropout Voltage—130mV at 0.425A
Input Power-Source Detection Output (VL) and
Charge-Enable Input (EN)
Soft-Start Limits Inrush Current
Charge Status Output (CHG) for LED or
Microprocessor Interface
Small 3mm x 3mm 8-Pin Thin DFN Package,
0.8mm High
MAX1507
Ordering Information
PART
MAX1507ETA
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
8 Thin DFN-EP*
TOP
MARK
AGW
Applications
Cellular and Cordless Phones
PDAs
Digital Cameras and MP3 Players
USB Appliances
Charging Cradles and Docks
Bluetooth™ Equipment
*EP
= Exposed paddle.
Typical Operating Circuit
INPUT
4.25V TO 13V
IN
1µF
BATT
Pin Configuration
BATT
CHG
8
7
6
EN
TOP VIEW
TEMP
1µF
Li+
4.2V
5
MAX1507
CHG
ISET
TEMP
GND
MAX1507
OFF
EN
ON
2.80kΩ
1
VL
2
IN
3
GND
4
ISET
VL
0.47µF
3mm x 3mm THIN DFN
Bluetooth is a trademark of Ericsson.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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