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参数资料
| 型号： | MX881R |
| 厂商： | IXYS CORP |
| 元件分类： | 显示驱动器 |
| 中文描述： | LED DISPLAY DRIVER, PDSO16 |
| 封装： | 3 X 5 MM, DFN-16 |
| 文件页数： | 10/13页 |
| 文件大小： | 398K |
| 代理商： | MX881R |
MX881
6
7/30/07
Drawing No. 088109
www.claremicronix.com
MX881
IXYS
Average Battery Current
The 3 bits (ABC2 – ABC0) of the control register are used to program the maximum average battery
current during a charge cycle. The MX881 does this by limiting the minimum off time during a switching
cycle. The off time compensates for variation of the battery voltage so that the average current is
independent of battery voltage. The default value of ABC is 101. With the default value of ABC, the
average battery current control circuits are disabled for maximum efficiency, and the maximum battery
current is approximately 220mA. The average current versus the output voltage is shown in Figure1.
The battery current peak value is preset internally to 0.7A. This current must be averaged by placing an
external bypass capacitor from VCC to ground. A 10uF capacitor is recommended for good current
smoothing and averaging.
Figure 1 - Average Battery Current
Average Battery Current Setting of 50mA (ABC = 000)
0
10
20
30
40
50
60
0
100
200
300
400
V
mA
VCC = 3.0V
VCC = 5.5V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MX881RTR | 功能描述:LED照明驱动器 Amps V RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MX882 | 制造商:Behringer 功能描述:ULTRALINK Pro 8 Channel Splitter / Mixer 制造商:BEHRINGER 功能描述:ULTRALINK PRO 8 INPUT LINE SPLITTER / MIXER |
| MX882AEST | 制造商:BLACK BOX 功能描述:FIBRE OPTIC MULTIPLEXER |
| MX-883 | 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:Precision, High-Speed 8-Channel, Analog Multiplexers |
| MX884 | 制造商:IXYS 制造商全称:IXYS Corporation 功能描述:High-Side Current Monitor With 10-Bit Serial Digital Output |
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