Difference between revisions of "Power Dock for NanoPi NEO/zh"

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(连接NanoPi NEO)
(特性)
 
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* 输出过压保护
 
* 输出过压保护
 
* 缓启动
 
* 缓启动
* 负载调整率:±1%
 
* 电压调整率:±0.5%
 
 
* PCB尺寸(mm):40x88
 
* PCB尺寸(mm):40x88
 
[[File:Power Dock for NanoPi NEO.png | frameless|800px|Power Dock for NanoPi NEO_PCB]]
 
[[File:Power Dock for NanoPi NEO.png | frameless|800px|Power Dock for NanoPi NEO_PCB]]
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参考下图连接模块:<br>
 
参考下图连接模块:<br>
[[File:Power Dock for NanoPi NEO_nanopi_NEO.jpg|frameless|600px|Power Dock for NanoPi NEO_nanopi_NEO]]
+
[[File:Power Dock for NanoPi NEO_nanopi_NEO.jpg|frameless|500px|Power Dock for NanoPi NEO_nanopi_NEO]]<br>
 +
连接电池盒和其他模块:<br>
 +
[[File:Power Dock for NanoPi NEO_nanopi_NEO0.jpg|frameless|400px|Power Dock for NanoPi BAT]]
 +
[[File:Power Dock for NanoPi NEO_nanopi_NEO1.jpg|frameless|400px|Power Dock for NanoPi NEO Hub]]
 +
[[File:Power Dock for NanoPi NEO_nanopi_NEO2.jpg|frameless|400px|Power Dock for NanoPi RTC]]
 +
[[File:Power Dock for NanoPi NEO_nanopi_NEO3.jpg|frameless|400px|Power Dock for NanoPi GPS]]
  
 
==相关资料==
 
==相关资料==

Latest revision as of 11:22, 19 April 2017

English

1 介绍

Power Dock for NanoPi NEO
  • Power Dock for NanoPi NEO是一个高效的电源转换模块,能为用电设备提供稳定、可靠的供电。
  • 模块使用TI公司的TPS54331电源转换芯片,输入电压范围宽,带载能力强,输出电流大。使用了低内阻、大电流屏蔽电感,提高转换效率,降低发热量。
  • 模块自身的缓慢启动功能能有效限制浪涌电流,输入欠压保护和输出过压保护功能能有效保护用电设备不被损坏。
  • 模块A侧使用了双层加高的排母,NEO可直接倒扣在A侧,B侧扩展了NEO的排针接口,方便外接其他模块。

2 特性

  • 输入电压:12V
  • 输出电压:5V/2A。
  • 开关频率:570KHz
  • 静态电流:1uA
  • 输入欠压保护
  • 输出过压保护
  • 缓启动
  • PCB尺寸(mm):40x88

Power Dock for NanoPi NEO_PCB

  • 引脚说明:
  • GPIO管脚定义
Pin# Name Linux gpio Pin# Name Linux gpio
1 SYS_3.3V 2 VDD_5V
3 I2C0_SDA 4 VDD_5V
5 I2C0_SCL 6 GND
7 GPIOG11 203 8 UART1_TX/GPIOG6 198
9 GND 10 UART1_RX/GPIOG7 199
11 UART2_TX/GPIOA0 0 12 PWM1/GPIOA6 6
13 UART2_RTS/GPIOA2 2 14 GND
15 UART2_CTS/GPIOA3 3 16 UART1_RTS/GPIOG8 200
17 SYS_3.3V 18 UART1_CTS/GPIOG9 201
19 SPI0_MOSI/GPIOC0 64 20 GND
21 SPI0_MISO/GPIOC1 65 22 UART2_RX/GPIOA1 1
23 SPI0_CLK/GPIOC2 93 24 SPI0_CS/GPIOC3 67
  • USB/Audio/IR 定义
NanoPi-NEO V1.1
Pin# Name Description
1 VDD_5V 5V Power Out
2 USB-DP1 USB1 DP Signal
3 USB-DM1 USB1 DM Signal
4 USB-DP2 USB2 DP Signal
5 USB-DM2 USB2 DM Signal
6 GPIOL11/IR-RX GPIOL11 or IR Receive
7 SPDIF-OUT/GPIOA17 GPIOA17 or SPDIF-OUT
8 PCM0_SYNC/I2S0_LRC I2S/PCM Sample Rate Clock/Sync
9 PCM0_CLK/I2S0_BCK I2S/PCM Sample Rate Clock
10 PCM0_DOUT/I2S0_SDOUT I2S/PCM Serial Bata Output
11 PCM0_DIN/I2S0_SDIN I2S/PCM Serial Data Input
12 GND 0V

3 工作原理

  • Power Dock for NanoPi NEO模块使用TI公司的TPS54331降压转换芯片,使用Buck 拓扑结构,芯片内部集成了一个低Rds的上桥MOSFET,能有效提高转换效率。

4 硬件连接

4.1 连接NanoPi NEO

输入电压通过电源输入端子接入模块,NEO板倒扣(网口朝下)在Power Dock for NanoPi NEO的A侧,B侧扩展了NEO的排针接口,方便外接其他模块。

参考下图连接模块:
Power Dock for NanoPi NEO_nanopi_NEO
连接电池盒和其他模块:
Power Dock for NanoPi BAT Power Dock for NanoPi NEO Hub Power Dock for NanoPi RTC Power Dock for NanoPi GPS

5 相关资料