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MAX1507/MAX1508EVKIT PDF预览

MAX1507/MAX1508EVKIT

更新时间: 2024-09-11 23:45:47
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美信 - MAXIM /
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4页 105K
描述
Evaluation Kit for the MAX1507/MAX1508

MAX1507/MAX1508EVKIT 数据手册

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19-2895; Rev 0; 6/03  
MAX1507/MAX1508 Evaluation Kit  
General Description  
Features  
The MAX1507/MAX1508 evaluation kit (EV kit) is a com-  
plete, fully assembled, and tested circuit board that  
demonstrates the MAX1507 linear battery charger for a  
single-cell lithium-ion (Li+) battery. To evaluate the  
MAX1508, U1 must be removed and replaced with a  
MAX1508 device. The EV kit safely charges a single Li+  
battery to 4.2V. The EV kit accepts a power-supply  
input of 4.25V to 13V, but disables charging when the  
input voltage exceeds 7V. Jumpers on the EV kit allow  
adjustments to the die-temperature regulation levels  
(MAX1507 only) and the ability to disable the charger.  
An LED on the board indicates the status of the charg-  
ing cycle.  
o Simple, Stand-Alone Li+ Charger  
o Safely Precharges Deeply Discharged Li+ Cells  
o 4.25V to 13V Input Voltage Range  
o 7V Overvoltage Protection Threshold  
o Resistor-Programmable Charge Current Up  
to 0.8A  
o Charge Current Monitored by a Resistor  
o Programmable Die-Temperature Regulation Set  
Points (MAX1507 Only)  
o ACOK Output (MAX1508 Only)  
o Fully Assembled and Tested  
Component List  
DESIGNATION QTY  
DESCRIPTION  
Ordering Information  
1µF 20ꢀ, 6.3V X5R ceramic  
capacitor (0603)  
TDK C1608X5R0J105MT or  
Taiyo Yuden JMK107BJ105MG  
PART  
MAX1507/  
MAX1508EVKIT  
TEMP RANGE  
IC PACKAGE  
C1  
C2  
C3  
1
1
1
0 C to +70 C  
8 TDFN  
0.47µF 20ꢀ, 6.3V or 10V X5R  
ceramic capacitor (0603)  
TDK C1608X5R0J474MT or  
Taiyo Yuden JMK107BJ474MG  
Note: The MAX1508ETA device must be ordered separately.  
Quick Start  
1µF 20ꢀ, 16V X5R ceramic  
capacitor (0805)  
TDK C2012X5R1C105MT or  
Taiyo Yuden EMK212BJ105MG  
The MAX1507/MAX1508 EV kit is a fully assembled and  
tested surface-mount board. Follow the steps below to  
verify board operation. Do not turn on the power sup-  
ply until indicated:  
JU1  
JU2  
R1  
1
1
1
2-pin header  
3-pin header  
1) MAX1507: Verify that a shunt is installed on JU2  
(TEMP) to set the charger to a +95 C regulated maxi-  
mum die temperature. MAX1508: Remove the shunt  
from JU2 and connect a 100k resistor from the  
TEMP pad of the EV kit to the logic I/O voltage. The  
ACOK logic signal is present at the TEMP test point.  
2.80k  
1ꢀ resistor (0603)  
MAX1507ETA  
(8-pin Thin DFN 3mm 3mm)  
U1  
CHARGING  
None  
1
1
2
1
Red LED, T-1 3/4 (5mm)  
2) Verify the shunt is removed from JU1 (EN) to set the  
EV kit for charge default-enable mode.  
Shunts  
JU1 and JU2  
3) Observe correct Li+ cell polarity. Connect a single-  
cell Li+ battery across the BATT+ and BATT- pads of  
the EV kit.  
None  
MAX1507EVKIT PC board  
Component Suppliers  
SUPPLIER  
Panasonic  
PHONE  
FAX  
WEBSITE  
www.panasonic.com  
www.t-yuden.com  
714-373-7366  
800-348-2496  
847-803-6100  
714-737-7323  
847-925-0899  
847-390-4498  
Taiyo Yuden  
TDK  
www.component.tdk.com  
Note: Please indicate you are using the MAX1507/MAX1508 when contacting these component suppliers.  
________________________________________________________________ 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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