MAX1773EVKIT 查看數據表（PDF） - Maxim Integrated
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MAX1773EVKIT Datasheet PDF : 10 Pages
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19-1918; Rev 0; 1/01
MAX1773 Evaluation Kit
General Description
The MAX1773 evaluation kit (EV kit) is a fully assembled
and tested surface-mount circuit board that routes
charge and discharge currents between two battery
packs, a buck step-down battery charger, and an AC-
adapter power source. The circuit uses a MAX1773 IC
in a 20-pin TSSOP package and is configured for an
AC-adapter input range of +4.75VDC to +28VDC.
The EV kit uses seven P-channel MOSFETs to steer cur-
rent between the power sources and the load. The bat-
tery minimum voltage level sets the threshold for battery
undervoltage conditions and can be adjusted from
+4.65V to +13V.
The EV kit features an SMBus™ signal multiplexer that
routes SMBus signals for the smart battery packs. LEDs
are provided to indicate the status of the AC adapter
and battery packs. The MAX1773 EV kit also demon-
strates low-current usage with several options to
reduce current usage.
Features
o +4.75V to +28V AC-Adapter Input Range
o Up to 5A Steering Capability
o P-Channel MOSFET Steering Switches
o Adjustable Battery Minimum Voltage Level
o SMBus Multiplexer
o AC-Present and Battery-Status LEDs
o Interfaces to MAX1772EVKIT Battery Charger
o Surface-Mount Components
o Fully Assembled and Tested
PART
MAX1773EVKIT
Ordering Information
TEMP. RANGE IC PACKAGE
0°C to +70°C 20 TSSOP
DESIGNATION
C1, C6
C2, C3
C4, C5
C7
C8, C9, C10,
C12
C11
QTY
2
2
0
1
DESCRIPTION
0.1µF, 50V X7R ceramic
capacitors (0805)
Taiyo Yuden UMK212BJ104KG
33µF, 35V low-ESR tantalum
capacitors
AVX TPSD336035R0300 or
Kemet T495X226K035AS4394
recommended
Not installed, 33µF, 35V low-
ESR capacitors
AVX TPSD336035R0300 or
Kemet T495X226K035AS4394
recommended
4.7µF, 6.3V X5R ceramic
capacitor (0805)
Taiyo Yuden JMK212BJ475KG
0.1µF, 16V X7R ceramic
4 capacitors (0603)
Taiyo Yuden EMK107BJ104MA
0.33µF, 16V X7R, ceramic
1 capacitor (0805)
Taiyo Yuden EMK212BJ334KG
DESIGNATION
C13, C14
D1
D2, D3
P1−P7
R1, R3
R2
R4
R5
R6
R7
Component List
QTY
2
DESCRIPTION
1.5µF, 25V low-ESR tantalum
capacitors
AVX TPSA155K025R0300 or
Kemet T494A105(1)025AS
250mA, 75V switching diode
1
(SOT23)
Central Semiconductor CMPD-
914
2
Green surface-mount LEDs (SS)
Panasonic P521CT
8A, -30V P-channel MOSFETs
7 (SuperSOT8)
Fairchild FDR858P
2 100kΩ ±1% resistors (0805)
1 10kΩ ±1% resistor (0805)
1 3.3kΩ ±5% resistor (0805)
1 28.7kΩ ±1% resistor (0805)
1
100kΩ potentiometer (9mm)
Mouser 323-409H-100K
1 40.2kΩ ±1% resistor (0805)
SMBus is a trademark of Intel Corp.
________________________________________________________________ Maxim Integrated Products 1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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