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| 型号： | MCP1631RD-MCC2 |
| 厂商： | Microchip Technology |
| 文件页数： | 16/54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) |
| 相关产品： | MCP1631HV-500E/SS-ND - IC REG CTRLR ISO PWM CM 20-SSOP MCP1631HV-330E/ST-ND - IC REG CTRLR ISO PWM CM 20-TSSOP MCP1631HV-330E/SS-ND - IC REG CTRLR ISO PWM CM 20-SSOP MCP1631HV-500E/ST-ND - IC REG CTRLR ISO PWM CM 20-TSSOP MCP1631HVT-330E/SSTR-ND - IC REG CTRLR ISO PWM CM 20-SSOP MCP1631HVT-500E/SSTR-ND - IC REG CTRLR ISO PWM CM 20-SSOP MCP1631HVT-500E/STTR-ND - IC REG CTRLR ISO PWM CM 20-TSSOP MCP1631HVT-330E/STTR-ND - IC REG CTRLR ISO PWM CM 20-TSSOP PIC16F883T-I/SS-ND - IC PIC MCU FLASH 4KX14 28SSOP PIC16F883T-I/SO-ND - IC PIC MCU FLASH 4KX14 28SOIC 更多... |
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MCP1631HV Multi-Chemistry Battery Charger Reference Design
2.3.1.5
CHARGE PROFILE
? Li-Ion
- Qualification: Precharge at 200 mA for V CELL < 3.0V
- Constant Current = 2A for 1 Cell, 1A for 2 Cell
- Constant Voltage = 4.20V, User Calibrated
- Charge Termination = 140 mA for 1 Cell and 2 Cell
- Overvoltage Detection, once detected, attempt to restart charge cycle 5 times,
if overvoltage is persistent, terminate attempts and flash STATUS LED.
? NiMH/NiCd
- Qualification: Precharge at 200 mA for V CELL < 0.9V.
- Constant Current = 1.5A for 1 to 5 Cells.
- Terminate Fast Charge for -dV/dT or +dT/dt.
- Timed 50 mA top off charge for 1 hour.
- Overvoltage Detection, once detected, will attempt to restart charge cycle five
times. If overvoltage is still present, charging will terminate and STATUS LED
will flash.
? LED Driver
- Constant Current = 0 to 300 mA for 1 to 2 LEDs.
- Pressing CHEM switch increments output current. Limited to 300 mA.
- Pressing CELLS switch decrements output current. Limited to 0 mA.
- Overvoltage Detection, once detected, will attempt to restart charge cycle five
times. If overvoltage is still present, charging will terminate and STATUS LED
will flash.
2.3.1.6
PROGRAMMING
Header J3 is provided for in-system circuit programming using either ICD 2 or
PICkit ? 2.
2.3.1.7
DATA LOGGING
Header J5 is provided for serial data logging using the PICkit ? Serial Analyzer. The
source code for the evaluation board contains the code necessary to transmit data via
a PICkit ? Serial interface to a PC running the PICkit Serial Analyzer GUI interface. The
data currently logged consists of charging current setpoint, output voltage, temperature
thermistor voltage, current system state, and termination code.
The data logging feature allows the user to create and save a complete charging profile
for a specific battery pack. The interface software provided with the PICkit Serial
Analyzer allows the user to save the logged data to a file.
DS51791A-page 12
? 2009 Microchip Technology Inc.
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