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| 型号： | MCP1631RD-MCC1 |
| 厂商： | Microchip Technology |
| 文件页数： | 43/54页 |
| 文件大小： | 0K |
| 描述： | REFERENCE DESIGN FOR 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 ~ 4 芯镍镉/镍氢电池 |
| 次要属性： | 状态 LED |
| 已供物品： | 板，CD |
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Software
C.5
MPLAB ? AND PICKIT? 2 DEBUGGING EXERCISE
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Startup MPLAB (not supplied, available at: http://www.microchip.com).
From the toolbar, select “File | Open Workspace”.
Browse to the evaluation board source code path.
Select the existing workspace file named
“MCP1631HVBuckBoostBatteryChargerReferenceDesign.mcw” or create a new one.
Connect the PICkit 2 programmer to header J3 on the battery charger board.
Align Pin 1 of the header with the Pin 1 mark on the programmer.
Set the bench power supply voltage control to minimum voltage output.
Turn on the power supply and set the output voltage to 8V. Turn off the power
supply.
Connect the bench power supply to the battery charger board. Connect +V(8V)
to J1-1 and –V (Ground) to J1-2.
Turn on the power supply.
From the toolbar, select “Debugger | Connect”. The debugger should find the
PIC16F883 processor.
From the toolbar, select “File | Import”.
Browse to the source code path.
Select the existing project file named
“MCP1631HVBuckBoostBatteryChargerReferenceDesign.hex”.
From the toolbar, select “Debugger | Program”. The debugger will program the
PIC16F883 with the imported hex file.
From the toolbar, select “Debugger | Reset | Processor Reset”. This must always
be done after programming.
From the toolbar, select “File | Open”.
In the “Files of type” text box, select “List Files (*.lst)”.
Click on “MCP1631HVBuckBoostBatteryChargerReferenceDesign.lst”.
Click on “Open”. This opens the mikroC ? listing file for the project. Variable and
Code addresses are at the end.
Scroll to the end of the listing file and locate the code label “L_main_1:”. Write
down the function address.
In the “Program Memory” window, scroll down until you reach the same address
as the “L_main_1:” function address. Right click on the line and set a breakpoint.
From the toolbar, select “Debugger | Run”. The debugger will stop at the
breakpoint. Disable the breakpoint.
From the toolbar, select “Debugger | Run”. The debugger will continue.
When debugging the battery charger board, be careful when setting breakpoints. If the
breakpoint occurs while the Voltage Reference PWM is HIGH, the V REF voltage will rise
to about 2.5V. The MCP1631HV will then attempt to supply the current for the given
V REF , which will be high (about 2.5V / 1.1 = 2.27A). The current is limited by the V REF
signal which is in turn limited by the V REF voltage divider resistor pair R24 and R34.
? 2009 Microchip Technology Inc.
DS51791A-page 39
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1631RD-MCC2 | 功能描述:开关变换器、稳压器与控制器 MCP1631HV Multi-Chem BuckBst Chg Ref Dsgn RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MCP1631T | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator |
| MCP1631T-330E/ML | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator |
| MCP1631T-330E/SS | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator |
| MCP1631T-330E/ST | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator |
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