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| 型号： | MCP1631RD-MCC2 |
| 厂商： | Microchip Technology |
| 文件页数： | 10/54页 |
| 文件大小： | 0K |
| 描述： | REFERENCE DESIGN MCP1631HV |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电池充电器 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | MCP1631HV，PIC16F883 |
| 主要属性： | 1 ~ 2 芯锂离子电池，1 ~ 5 芯镍镉/镍氢电池，1 ~ 2 1W LED |
| 次要属性： | 状态 LED |
| 已供物品： | 板，CD |
| 产品目录页面： | 668 (CN2011-ZH PDF) |
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MCP1631HV Multi-Chemistry Battery Charger Reference Design
1.2
WHAT IS THE MCP1631HV MULTI-CHEMISTRY BATTERY CHARGER
REFERENCE DESIGN?
The MCP1631HV Multi-Chemistry Battery Charger is a complete stand-alone battery
charger for NiMH, NiCd or Li-Ion battery packs. The board may also be used to drive
LED devices using constant current mode. When charging NiMH or NiCd batteries the
reference design is capable of charging one to five batteries connected in series. If
Li-Ion chemistry is selected, the board is capable of charging one or two series
batteries. When the LED driver is selected, the board is capable of driving one to two
1W LEDs. This board utilizes Microchip’s MCP1631HV (high-speed PWM and
PIC16F883 MCU). The input voltage range for the demo board is 5.3V to 16V.
The board is capable of both boosting and bucking the input voltage in order to obtain
the desired output voltage because a SEPIC converter topology is used. The overvolt-
age limit for the board is set to 9V. The powertrain components may be changed to
allow for higher output voltages and power.
TABLE 1-1:
MULTI-CHEMISTRY CHARGER CAPABILITY
Battery Chemistry
Li-Ion
NiMH or NiCd
LED Driver
1 Cell
2A
1.5A
300 mA
2 Cell
1A
1.5A
300 mA
3 Cell
NA
1.5A
NA
4 Cell
NA
1.5A
NA
5 Cell
NA
1.5A
NA
An input terminal block is provided to apply the input voltage to the charger. An output
header is also provided as a means to connect the external battery pack or simulated
battery load and external 10K thermistor. A programming header is available for
updating the firmware contained in the PIC16F883.
1.3
WHAT THE MCP1631HV MULTI-CHEMISTRY BATTERY CHARGER
REFERENCE DESIGN KIT INCLUDES
This MCP1631HV Multi-Chemistry Battery Charger Reference Design kit includes:
? The MCP1631HV Multi-Chemistry Battery Charger Board,102-00232
? Analog and Interface Products Demonstration Boards CD-ROM includes
(DS21912):
- MCP1631HV Multi-Chemistry Battery Charger User ’s Guide, (DS51697).
- MCP1631 Data Sheet, “High-Speed, Microcontroller-Adaptable, Pulse Width
Modulator” , (DS22063).
- PIC16F883 Data Sheet, “8-Pin Flash-Based, 8-Bit CMOS Microcontrollers
with nanoWatt Technology” , (DS41291).
- Application Note AN1137, “Using the MCP1631 Family to Develop Low-Cost
Battery Chargers” , (DS01137).
DS51791A- page 6
? 2009 Microchip Technology Inc.
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