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參數(shù)資料
| 型號： | MAX1545EVKIT |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Evaluation Kits for the MAX1544/MAX1545 |
| 中文描述： | MAX1544、MAX1545評估板 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 194K |
| 代理商： | MAX1545EVKIT |
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.
Applications
Cellular and Cordless Phones
PDAs
Digital Cameras and MP3 Players
USB Appliances
Charging Cradles and Docks
Bluetooth Equipment
Features
o
Stand-Alone Linear 1-Cell Li+ Battery Charger
o
No External FET, Reverse-Blocking Diode, or
Current-Sense Resistor Required
o
Programmable Fast-Charge Current (0.8A max)
o
Proprietary Programmable Die-Temperature
Regulation Control (+90°C, +100°C, and +130°C)
o
+4.25V to +13V Input Voltage Range with Input
Overvoltage Protection (OVP) Above +7V
o
Charge-Current Monitor for Fuel Gauging
o
Low Dropout Voltage—130mV at 0.425A
o
Input Power-Source Detection Output (VL) and
Charge-Enable Input (
EN
)
o
Soft-Start Limits Inrush Current
o
Charge Status Output (
CHG
) for LED or
Microprocessor Interface
o
Small 3mm x 3mm 8-Pin Thin DFN Package,
0.8mm High
M
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
________________________________________________________________
Maxim Integrated Products
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.
1
T
E
I
1
2
C
B
I
G
V
3mm x 3mm THIN DFN
TOP VIEW
3
4
MAX1507
8
7
6
5
Pin Configuration
Ordering Information
MAX1507
1
μ
F
INPUT
4.25V TO 13V
2.80k
IN
EN
VL
CHG
1
μ
F
Li+
4.2V
BATT
ISET
TEMP
GND
0.47
μ
F
OFF
ON
PART
TEMP RANGE
PIN-PACKAGE
TOP
MARK
MAX1507ETA
-40
°
C to +85
°
C
8 Thin DFN-EP*
AGW
Typical Operating Circuit
19-2899; Rev 1; 11/03
EVALUATION KIT
AVAILABLE
Bluetooth is a trademark of Ericsson.
*
EP = Exposed paddle.
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