Ion) batteries. The output voltage can be set for one to
four cells. The cell voltage can be set between 4.0V
resistors. Two LEDs indicate the charging status.
tery packs. To charge other types of batteries, use the
MAX1648 or the MAX712/MAX713. To charge SMBus鈩?/div>
smart-battery packs, use the MAX1647.
____________________________Features
o
Charges One to Four Li-Ion Cells
o
Low Heat/High Efficiency
o
300kHz PWM Operation
o
0.75% Overall Accuracy over Temperature
o
6V to 24V Input Voltage Range
o
Proven PC Board Layout
o
Fully Assembled and Tested
Evaluates: MAX745
______________Component Suppliers
SUPPLIER*
AVX
Dale-Vishay
International Rectifier
IRC
Motorola
Sanyo
Sumida
PHONE
(803) 946-0690
(402) 564-3131
(310) 322-3331
(512) 992-7900
(602) 303-5454
(619) 661-6835
(847) 956-0666
FAX
(803) 626-3123
(402) 563-6418
(310) 322-3332
(512) 992-3377
(602) 994-6430
(619) 661-1055
(847) 956-0702
______________Ordering Information
PART
MAX745EVKIT
TEMP. RANGE
0掳C to +70掳C
BOARD TYPE
Surface Mount
*Please
indicate that you are using the MAX745 when contact-
ing these component suppliers.
_____________________________________________________________Component List
DESCRIPTION
68碌F, 20V, 0.150鈩? low-ESR
tantalum capacitor
AVX TPSE686M020R0150
0.1碌F ceramic capacitors
47nF ceramic capacitor
0.22碌F ceramic capacitor
4.7碌F, 10V, low-ESR capacitor
Open
R2, R15
C8, C10
C11
D1, D4, D6
D2
J3, J4
2
1
3
1
2
3
1
150碌F, 35V, 0.17鈩? aluminum
electrolytic capacitors
Sanyo 35CV150GX
1000pF ceramic capacitor
3A, 40V, surface-mount
Schottky diodes
Motorola MBRS340T3
1N4148-type signal diode (SOT23)
Banana jacks
3-pin headers
2-pin header
________________________________________________________________
Maxim Integrated Products
1
R3, R11, R12,
R16
R4, R5, R10
R6, R7
R13
R14
U1
U2
None
2
4
0
2
1
1
1
1
1
R1
1
DESIGNATION QTY
L1
LED1, LED2
M1
1
2
1
DESCRIPTION
22碌H, 2.8A surface-mount inductor
Sumida CDRH125-220
Light-emitting diodes
2A, 30V, 0.080鈩? logic-level, dual,
N-channel FET
International Rectifier IRF7303
0.100鈩? 1% sense resistor
Dale WSL-2010-R1F or
IRC LR2010-01-R100F
10k鈩? 5%, surface-mount resistors
100k鈩? 1%, surface-mount resistors
Shorted
1k鈩? 5%, surface-mount resistors
8k鈩? 5%, surface-mount resistor
24鈩? 5%, surface-mount resistor
Maxim MAX745EAP
Maxim MAX931CSA
Printed circuit board
DESIGNATION QTY
C1
C2, C7, C9,
C12
C3
C4
C5
C6
1
4
1
1
1
0
JU1, JU2, JU3
JU4
SMBus is a trademark of Intel Corp.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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