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
, LTC and LT are registered trademarks of Linear Technology Corporation.
PERFORWAUCE SUWWARY
PARAMETER | CONDITIONS | MIN | TYP | MAX | UNIT |
Input Voltage |
| 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 |
| 2.5 | A |
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Output Voltage | Software Limited | 4 |
| 20 | V |
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Thermistor Resistance | 3 |
| 30 | kΩ | |
| 0.5 | 1 | 1.5 | kΩ |
BLOCK DIAGRAW AUD BOARD PHOTO
DC101 Smart Battery Charger
| + | 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 |
| μP |
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– |
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| + |
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| LT®1511 |
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| CHARGER | 26 | 14 |
| C SMBus |
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| PIC16C73 |
| CLOCK (SCL) |
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| SHUTDOWN | 15 |
| D SMBus |
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| Q1 | 11 |
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| DATA (SDA) |
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| 2 |
| 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 |
| CURRENT PWM |
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| CONNECTOR |
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| 12 |
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| DC101 BD |
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