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Bug #524

USB2.0接口工作电压过低

Added by EGON 6 months ago. Updated 20 days ago.

Status:
Closed
Priority:
High
Assignee:
Category:
H.W
Start date:
08/23/2024
Due date:
% Done:

0%

Estimated time:
型号:
LB120
CPU:
RK3568
产品:
LPA3568M8车载主机"
扩展/功能板硬件版本:
04
核心板硬件版本:
04
底板/一体板硬件版本:
05
固件版本:
\\192.168.1.250\01-Public\wilson_test\rk3568\lpa3568
系统:
Ubuntu
内核版本:
nux-gnu-gcc (GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 10.3.1 20210621, GNU ld (GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 2.36.1.20210621) #11 SMP Wed Aug 14 17:46:10 CST 2024
APP版本:
复现概率:
100%
无线网卡:
以太网模组:
EMMC颗粒:

Description

在电流达到0.5A时,
电压只有2.8V

#1

Updated by EGON 6 months ago

J1204 工作时电压小于4V 电流≈0.8A

#2

Updated by EGON 5 months ago

  • 系统 set to Ubuntu
#3

Updated by jing 4 months ago

负载开关器件一致性太差(限流开关,2V-5.5V,active high,2.1A,70mohm,SOT23-5,TCS9263B,Torch-Chip),理论设置保护电流为1.48A,实测有的到0.9A就保护了。与器件原厂沟通后建议更换为TSC9163。

#4

Updated by EGON 20 days ago

  • Status changed from New to Closed

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