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

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* 引脚说明:
 
* 引脚说明:
 +
* '''GPIO管脚定义'''
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
−
|名称 || 描述
+
|Pin# || Name || Linux gpio ||Pin#  || Name || Linux gpio     
 
|-
 
|-
−
|S   || 模拟GPIO
+
|1   || SYS_3.3V  ||    ||2    || VDD_5V ||
 
|-
 
|-
−
|V   || 电源5V
+
|3    || I2C0_SDA  ||    ||4    || VDD_5V ||
 +
|-
 +
|5    || I2C0_SCL  ||    ||6    || GND   ||
 
|-
 
|-
−
|G   || 地
+
|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'''
 +
{| class="wikitable"
 +
|-
 +
| style="background: PaleTurquoise; color: black" colspan="3"| '''NanoPi-NEO''' || style="background: PaleTurquoise; color: black" colspan="3"| '''NanoPi-NEO V1.1'''
 +
|-
 +
|Pin# || Name    ||    Description      || Pin# || Name    ||    Description   
 +
|-
 +
|1    || VDD_5V  ||    5V Power Out      || 1    || VDD_5V  ||    5V Power Out
 +
|-
 +
|2    || USB-DP1  ||    USB1 DP Signal    || 2    || USB-DP1  ||    USB1 DP Signal
 +
|-
 +
|3    || USB-DM1  ||    USB1 DM Signal    || 3    || USB-DM1  ||    USB1 DM Signal
 +
|-
 +
|4    || USB-DP2  ||    USB2 DP Signal    || 4    || USB-DP2  ||    USB2 DP Signal
 +
|-
 +
|5    || USB-DM2  ||    USB2 DM Signal    || 5    || USB-DM2  ||    USB2 DM Signal
 +
|-
 +
|6    || GPIOL11/IR-RX  || GPIOL11 or IR Receive || 6    || GPIOL11/IR-RX  || GPIOL11 or IR Receive
 +
|-
 +
|7    || SPDIF-OUT/GPIOA17  || GPIOA17 or SPDIF-OUT || 7    || SPDIF-OUT/GPIOA17  || GPIOA17 or SPDIF-OUT
 +
|-
 +
|8    || MICIN1P  ||  Microphone Positive Input    || 8  || PCM0_SYNC/I2S0_LRC  || I2S/PCM Sample Rate Clock/Sync
 +
|-
 +
|9    || MICIN1N    ||  Microphone Negative Input    || 9  || PCM0_CLK/I2S0_BCK  || I2S/PCM Sample Rate Clock
 +
|-
 +
|10    || LINEOUTR  || LINE-OUT Right Channel Output  || 10  || PCM0_DOUT/I2S0_SDOUT || I2S/PCM Serial Bata Output
 +
|-
 +
|11    || LINEOUTL  || LINE-OUT Left Channel Output  || 11  || PCM0_DIN/I2S0_SDIN || I2S/PCM Serial Data Input
 +
|-
 +
|12    || GND      || 0V                            || 12    || GND      || 0V
 
|}
 
|}
  

Revision as of 08:41, 11 October 2016

English

1 介绍

Power Dock for NanoPi NEO
  • Matrix-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

  • 输入电压范围：12V-24V
  • 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
  • 负载调整率：±1%
  • 电压调整率：±0.5%
  • 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 NanoPi-NEO V1.1
Pin# Name Description Pin# Name Description
1 VDD_5V 5V Power Out 1 VDD_5V 5V Power Out
2 USB-DP1 USB1 DP Signal 2 USB-DP1 USB1 DP Signal
3 USB-DM1 USB1 DM Signal 3 USB-DM1 USB1 DM Signal
4 USB-DP2 USB2 DP Signal 4 USB-DP2 USB2 DP Signal
5 USB-DM2 USB2 DM Signal 5 USB-DM2 USB2 DM Signal
6 GPIOL11/IR-RX GPIOL11 or IR Receive 6 GPIOL11/IR-RX GPIOL11 or IR Receive
7 SPDIF-OUT/GPIOA17 GPIOA17 or SPDIF-OUT 7 SPDIF-OUT/GPIOA17 GPIOA17 or SPDIF-OUT
8 MICIN1P Microphone Positive Input 8 PCM0_SYNC/I2S0_LRC I2S/PCM Sample Rate Clock/Sync
9 MICIN1N Microphone Negative Input 9 PCM0_CLK/I2S0_BCK I2S/PCM Sample Rate Clock
10 LINEOUTR LINE-OUT Right Channel Output 10 PCM0_DOUT/I2S0_SDOUT I2S/PCM Serial Bata Output
11 LINEOUTL LINE-OUT Left Channel Output 11 PCM0_DIN/I2S0_SDIN I2S/PCM Serial Data Input
12 GND 0V 12 GND 0V

3 工作原理

  • Matrix-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：
Matrix-Power Dock for NanoPi NEO_nanopi_NEO


5 相关资料

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