MAX1640EVKIT Maxim Integrated, MAX1640EVKIT Datasheet

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MAX1640EVKIT

Manufacturer Part Number
MAX1640EVKIT
Description
Power Management IC Development Tools MAX1640/41 Eval Kit
Manufacturer
Maxim Integrated
Series
MAX1640, MAX1641r
Datasheet
The MAX1640 evaluation kit (EV kit) is an adjustable
switch-mode current source that operates from a 5.5V to
26V input. It is intended for microprocessor-controlled
battery chargers. The charging current, maximum volt-
age, and pulse-trickle charge are programmed with
external resistors. The EV kit is shipped configured for
a maximum charge voltage (6 cells). It is configured
as a step-down pulse-width modulator (PWM) with syn-
chronous rectification, allowing fast-charge currents up
to 1.5A with greater than 90% efficiency. The MAX1640
uses high-side current sense; this allows the load to
connect directly to ground, eliminating ground potential
errors. The MAX1641 uses low-side current sense.
The MAX1640 EV kit is a fully assembled and tested sur-
face-mount printed circuit board. It can also be used to
evaluate the MAX1641.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
DESIGNATION
_____________________________________________________________Component List
_______________General Description
C3, C6, C7
(optional)
C1, C8
J1, J2
C2
C4
C5
C9
D1
J3
L1
QTY
2
1
3
1
1
0
0
2
1
1
________________________________________________________________ Maxim Integrated Products
47µF, 35V electrolytic capacitors
Sanyo 35CV47GX
0.33µF ceramic capacitor
0.1µF ceramic capacitors
0.01µF ceramic capacitor
4.7µF, 16V tantalum capacitor
Sprague 595D475X0016A2T
Open
1A, 30V Schottky diode Motorola
MBRS130LT3 or Nihon EC10QS03
2-pin term connectors
6-pin header
47µH power inductor
Sumida CDRH125-470,
Coilcraft DO3316P-473, or
Coiltronics UP2-470
DESCRIPTION
MAX1640 Evaluation Kit
____________________________Features
Note: To evaluate the MAX1641, request a MAX1641EEE free
sample with the MAX1640 EV kit.
DESIGNATION QTY
______________Ordering Information
MAX1640EVKIT
5.5V to 26V Input Voltage Range
Tight Current-Regulation Accuracy:
Up to 1.5A Fast-Charge Current
Up to 500kHz PWM Operation
Pulse-Trickle Charge Current
100% Maximum Duty Cycle (low dropout)
Synchronous Rectifier
Surface-Mount Components
Fully Assembled and Tested
R4, R7, R10
2% (MAX1641); 5% (MAX1640)
R6, R8, R9
R1, R2
R3, R5
None
None
None
SW1
R11
U1
U2
PART
2
2
3
3
0
1
1
1
1
1
1
0.100 , 1% 1/2W resistors
Dale WSL-2010-R100-F or
IRC LR2010-01-R100-F
68k , 5% resistors
200k , 5% resistors
1M , 5% resistors
Open
4-position dip switch
MAX1640EEE (QSOP-16)
Dual P- and N-channel MOSFET (SO-8)
International Rectifier IRF7309 or
Siliconix Si4539DY
MAX1640/MAX1641 data sheet
MAX1640/MAX1641 PC board
Shunt
TEMP. RANGE
0°C to +70°C
DESCRIPTION
Surface Mount
BOARD TYPE
1

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MAX1640EVKIT Summary of contents

Page 1

... Pulse-Trickle Charge Current 100% Maximum Duty Cycle (low dropout) Synchronous Rectifier Surface-Mount Components Fully Assembled and Tested ______________Ordering Information PART TEMP. RANGE MAX1640EVKIT 0°C to +70°C Note: To evaluate the MAX1641, request a MAX1641EEE free sample with the MAX1640 EV kit. DESIGNATION QTY 0.100 , 1% 1/2W resistors R1 ...

Page 2

MAX1640 Evaluation Kit ______________Component Suppliers SUPPLIER PHONE AVX (803) 946-0690 Coilcraft (847) 639-6400 Coiltronics (561) 241-7876 Dale-Vishay (402) 564-3131 International Rectifier (310) 322-3331 IRC (512) 992-7900 Motorola (602) 303-5454 Nihon (805) 867-2555 Sanyo (619) 661-6835 Siliconix (408) 988-8000 Sprague (603) ...

Page 3

MAX1641 The MAX1640 EV kit can also be used to evaluate the MAX1641. Replace the MAX1640 with the MAX1641, cut jumpers JU2 and JU4, and install jumpers JU1 and JU3. Table 3 summarizes the JU1–JU4 functions. J1-1 V ...

Page 4

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 4 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1997 Maxim Integrated Products 1.0" ...

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