DEMO MANUAL DC101
SMART BATTERY CHARGER
LT1511 Level 2, Smart
Battery Charger Demo Board
with SMBus Interface
DESCRIPTIOU
The DC101 board is a standalone Smart Battery charger that receives Charging Voltage(), Charging Current() and AlarmWarning() commands from the Smart Battery via the System Management Bus (SMBus) and sets charging current and voltage accordingly. The charger continu-
ously monitors the built-in thermistor in the battery. The thermistor information is used by the software to inhibit charging at temperature extremes and to set charging strategy for different battery chemistries.
, LTC and LT are registered trademarks of Linear Technology Corporation.
PERFORWAUCE SUWWARY
PARAMETER |
CONDITIONS |
MIN |
TYP |
MAX |
UNIT |
Input Voltage |
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16 |
24 |
27 |
V |
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Input Current |
Hardware Limited |
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2 |
A |
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Output Current |
Software Limited |
0 |
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2.5 |
A |
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Output Voltage |
Software Limited |
4 |
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20 |
V |
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Thermistor Resistance |
Ni-MH Battery |
3 |
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30 |
kΩ |
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Li-Ion Battery |
0.5 |
1 |
1.5 |
kΩ |
BLOCK DIAGRAW AUD BOARD PHOTO
DC101 Smart Battery Charger
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+ |
R10 |
SYSTEM CURRENT |
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DC OUT |
Component Side |
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FROM |
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5V |
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WALL |
LT1129 |
5V |
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GND |
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CUBE |
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SMB |
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μP |
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– |
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+ |
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LT®1511 |
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CHARGER |
26 |
14 |
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C SMBus |
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PIC16C73 |
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CLOCK (SCL) |
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SHUTDOWN |
15 |
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D SMBus |
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Q1 |
11 |
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DATA (SDA) |
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2 |
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T THERMISTOR |
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Q2 |
VOLTAGE PWM |
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– |
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13 |
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BATTERY |
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Q3 |
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CURRENT PWM |
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CONNECTOR |
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12 |
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DC101 BD |
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1
2 |
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D5 |
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3 |
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22 |
Smart Battery Charger with SMBus Interface |
6 |
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23 |
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DIAGRAATICSCHEWW |
CHARGERBATTERYSMART |
DC101MANUALDEMO |
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U3 |
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LT1129IST-5 |
5V |
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1 |
VIN |
VOUT |
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3 |
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BOLD LINES INDICATE HIGH CURRENT PATHS |
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DC OUT |
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+ |
C2 |
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E3 |
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C17 |
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J2 |
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GND TAB |
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10μF |
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R17 |
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E4 |
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0.1μF |
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5V |
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CENTER POST |
2 |
4 |
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10V |
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1.05k |
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IS POSITIVE |
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1/10W |
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1% |
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D1 |
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D2 |
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D6 |
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R16 |
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R18 |
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RESET |
S1 |
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RED |
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GRN |
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R10 |
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(SMB) |
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(μP) |
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BAS16LT1 3.32k |
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1k |
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1/10W 0.05Ω |
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R9 |
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1/10W |
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R26 |
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5V |
R5 |
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R6 |
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E1 |
DC IN |
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1% |
1/2W |
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100k |
1% |
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10k |
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330Ω |
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330Ω |
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24V |
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C10 |
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C11 |
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C9 |
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D3 |
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C8 |
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10μF |
10μF |
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1 |
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28 |
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2A |
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0.1μF |
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0.1 |
μ |
F |
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MCLR– |
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MBRS340T3 |
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25V |
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25V |
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RB7 |
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E2 |
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R11 |
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U2 |
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2 |
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27 |
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510Ω |
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RA0/AN0 |
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RB6 |
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LT1511 |
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3 |
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26 |
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RA1/AN1 |
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L1 |
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1 |
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24 |
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RB5 |
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GND |
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GND |
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4 |
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25 |
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RA2/AN2 |
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20μH |
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2 |
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23 |
Q4 |
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RB4 |
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SW |
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GND |
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R7 |
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5 |
RA3/AN3 |
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24 |
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MMBT3904LT1 |
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3.32k |
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RB3 |
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BOOST |
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VCC1 |
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MBRS340T3 |
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4 |
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21 |
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1% |
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RA4 |
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RB2 |
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GND |
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VCC2 |
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R24 |
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R4 |
7 |
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22 |
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RA5/AN4 |
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C9 |
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C5 |
5 |
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20 |
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C14 |
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RB1 |
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GND |
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VCC3 |
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10k |
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3.32k |
8 |
VSS |
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21 |
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0.47μF |
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1μF |
6 |
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19 |
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5% |
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33pF |
1% |
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RB0/INT |
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25V |
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25V |
UV |
PROG |
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9 |
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20 |
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7 |
18 |
R2 |
C4 |
R1 |
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OSC1 |
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VDD |
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GND |
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VC |
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301Ω |
1μF |
3.32k |
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10 |
OSC2 |
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19 |
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C1 |
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8 |
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17 |
25V |
1/10W |
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Y1 |
11 |
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VSS |
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0.1μF |
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OVP |
UVOUT |
1/10W |
C15 |
RCO |
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18 |
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9 |
16 |
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1% |
4MHz |
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RC7 |
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CLP |
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GND |
1% |
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33pF |
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12 |
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17 |
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Q3 |
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CCP2 |
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10 |
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15 |
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RC6 |
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CLN |
COMP2 |
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2N7002LT1 |
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13 |
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16 |
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CCP1 |
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11 |
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14 |
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RC5 |
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COMP1 |
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BAT |
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14 |
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15 |
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SCL |
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12 |
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13 |
R3 |
Q1 |
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SDA |
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SENSE |
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SPIN |
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1k |
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R20 |
C16 |
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2N7002LT1 |
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U1 |
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1/10W |
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R8 |
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D4 |
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200Ω |
100pF |
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SHUTDOWN |
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PIC16C73-20PS |
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1% |
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0.033Ω |
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1/10W |
50V |
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BAS16LT1 |
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C3 |
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CHARGER |
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1/2W |
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1% |
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33μF |
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ADJUSTMENT RANGE |
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JPR1 |
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25V |
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PWM1: 3FFh = 22.4V |
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C12 |
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C20 |
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5V |
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R19 |
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000h = 6V |
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5V |
1 |
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PWM2: 3FFh = 4.1A |
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10μF |
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10μF |
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R23 |
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200Ω |
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RESET |
2 |
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R14 |
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000h = 0A |
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25V |
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25V |
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22Ω |
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1/10W |
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3 |
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330Ω |
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1% |
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4 |
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+ |
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C7 |
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R13 |
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R15 |
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C18 |
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5 |
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SMART BATTERY |
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0.015μF |
143k |
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21.5k |
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10μF |
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25V |
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1/10W |
1/10W |
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6 |
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CONNECTOR |
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10V |
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5% |
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0.1% |
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0.1% |
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Q2 |
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7 |
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J1 |
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R12 |
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2N7002LT1 |
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8 |
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AMP-787441-1 |
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TP1 TP2 TP3 TP4 TP5 |
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C6 |
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9 |
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1 |
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100k |
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(+) |
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0.047μF |
1/10W |
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5V |
5V |
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5V |
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10 |
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2 |
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(+) |
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0.1% |
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R21 |
R22 |
R25 |
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11 |
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3 |
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CLK |
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22k |
22k |
22k |
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12 |
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4 |
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CLK |
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5% |
5% |
5% |
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5 |
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SMBCLK |
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DC101 SD |
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DATA |
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E5 |
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6 |
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SMBDATA |
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DATA |
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E6 |
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7 |
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(T) |
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INT |
E7 |
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8 |
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(T) |
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9 |
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UNLESS OTHERWISE SPECIFIED: |
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(–) |
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10 |
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1. ALL RESISTANCES ARE IN OHMS, 1/10W, 5% |
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(–) |
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2. ALL CAPACITANCES ARE IN MICROFARADS, 50V, 10% |
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DEMO MANUAL DC101
SMART BATTERY CHARGER
PACKAGE DIAGRAW
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TOP VIEW |
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GND |
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1 |
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24 |
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GND |
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SW |
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2 |
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23 |
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GND |
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BOOST |
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3 |
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22 |
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VCC1 |
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GND |
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4 |
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21 |
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VCC2 |
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GND |
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5 |
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20 |
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VCC3 |
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UV |
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6 |
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19 |
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PROG |
LT1511CSW |
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GND |
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7 |
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18 |
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VC |
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OVP |
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8 |
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17 |
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UVOUT |
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CLP |
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9 |
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16 |
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GND |
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CLN |
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10 |
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15 |
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COMP2 |
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COMP1 |
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11 |
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14 |
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BAT |
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SENSE |
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12 |
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13 |
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SPIN |
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SW PACKAGE |
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24-LEAD PLASTIC SO WIDE |
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PARTS LIST |
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||||||
|
REFERENCE |
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||||||
|
DESIGNATOR |
|
QUANTITY |
PART NUMBER |
|
DESCRIPTION |
|
|
|
VENDOR |
TELEPHONE |
|||||||||
|
C1, C8, C17, C19 |
|
4 |
12065C104KATMA |
|
0.1μF 50V Chip Capacitor |
|
AVX |
(803) 946-0362 |
|||||||||||
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|||||||
|
C2, C18 |
|
2 |
TAJB106M010 |
|
10μF 10V Tantalum Capacitor |
AVX |
(207) 282-5111 |
||||||||||||
|
|
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|
|
|
|
|
|||||||
|
C3 |
|
1 |
12063G334ZAT2 |
|
0.33μF 25V Chip Capacitor |
AVX |
(803) 946-0362 |
||||||||||||
|
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|
||||||
|
C4, C5 |
|
2 |
12063G105ZATMA |
|
1μF 25V Chip Capacitor |
|
AVX |
(803) 946-0362 |
|||||||||||
|
|
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|
|
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|
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|
|
|
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|
|||||||
|
C6 |
|
1 |
12065C473KAT |
|
0.047μF 50V 10% Chip Capacitor |
AVX |
(803) 946-0362 |
||||||||||||
|
|
|
|
|
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|
|
|
|
|
|
|
|||||||
|
C7 |
|
1 |
12063C153KAT2 |
|
0.015μF 25V 5% Chip Capacitor |
AVX |
(803) 946-0362 |
||||||||||||
|
|
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|
|
|
|
|
|||||||
|
C9 |
|
1 |
12063G474ZAT2 |
|
0.47μF 25V Chip Capacitor |
AVX |
(803) 946-0362 |
||||||||||||
|
|
|
|
|
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|
|
|
|
|
|||||||
|
C10, C11, C12, C20 |
|
4 |
THCS50E1E106Z |
|
10μF 25V Ceramic Capacitor |
Marcon |
(847) 696-2000 x374 |
||||||||||||
|
|
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|
||||||
|
C14, C15 |
|
2 |
1206A330KAT2 |
|
33pF 50V Chip Capacitor |
|
AVX |
(803) 946-0362 |
|||||||||||
|
|
|
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|
|
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|
|
|
||||||
|
C16 |
|
1 |
VJ1206A101KXA |
|
100pF 50V Chip Capacitor |
|
Vitramon |
(203) 268-6261 |
|||||||||||
|
|
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|
||||||
|
D1 |
|
1 |
SF1-BR |
|
Red LED |
|
|
|
Data Display Product |
(800) 421-6815 |
|||||||||
|
|
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|
||||||
|
D2 |
|
1 |
SF1-G |
|
Green LED |
|
|
|
Data Display Product |
(800) 421-6815 |
|||||||||
|
|
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|
|
||||||
|
D3, D5 |
|
2 |
MBRS340T3 |
|
Diode |
|
|
|
Motorola |
(602) 244-3576 |
|||||||||
|
|
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|
|
||||||
|
D4, D6 |
|
2 |
BAS16LT1 |
|
Diode |
|
|
|
Motorola |
(602) 244-3576 |
|||||||||
|
|
|
|
|
|
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|
|
|
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|
|
|
|
||||||
|
J1 |
|
1 |
AMP-787441-1 |
|
Connector |
|
|
|
AMP |
(717) 780-4409 |
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
J2 |
|
1 |
CUI-PJ-002A |
|
Connector |
|
|
|
Cui-Stack |
(503) 643-4899 |
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
JPR1 |
|
1 |
3801S-12-G1 |
|
12-Pin Header Jumper |
|
Comm Con Conn. |
(818) 301-4200 |
|||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
L1 |
|
1 |
CTX20-4 |
|
20μH Inductor |
|
|
|
Coiltronics |
(407) 241-7876 |
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
Q1,Q2, Q3 |
|
3 |
2N7002LT |
|
N-Channel MOSFET |
|
|
|
Motorola |
(602) 244-3576 |
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
Q4 |
|
1 |
MMBT3904LT1 |
|
NPN Transistor |
|
|
|
Motorola |
(602) 244-4342 |
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
R1, R4, R16 |
|
3 |
CR32-3321F-T |
|
3.32k 1/8W 1% Resistor |
|
AVX |
(803) 946-0524 |
|||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
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R2 |
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1 |
CR32-3010F-T |
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301Ω 1/8W 1% Resistor |
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AVX |
(803) 946-0524 |
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R3, R18 |
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2 |
CR32-1001F-T |
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1k 1/8W 1% Resistor |
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AVX |
(803) 946-0524 |
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3 |
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