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CH554E

WCH (Nanjing Qinheng Microelectronics)Extended

16KB 24MHz 3.3V~5V 51 Family 8bit FLASH MSOP-10 Microcontrollers (MCU/MPU/SOC) ROHS

Part id
wch/CH554E
Category
Microcontrollers (MCU, MPU, SOC)
Package
MSOP-10
Pins
10
In stock
545 at JLCPCB (C111293)
Used on
1 open-source board

Overview

The CH554E is a microcontroller made by WCH (Nanjing Qinheng Microelectronics) in a MSOP-10 package with 10 pins. 16KB 24MHz 3.3V~5V 51 Family 8bit FLASH MSOP-10 Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH552E, from EasyEDA) and its footprint (Package_SO:MSOP-10_3x3mm_P0.5mm, from KiCad's library), ready for a KiCad board. 545 are in stock at JLCPCB (part C111293). 1 open-source board in 1 repository on GitHub use it.

Symbol

P1.4/T2_/CAP1_/SCS/TIN2/UCC1/AIN11P1.5/MOSI/PWM1/TIN3/UCC2/AIN22P1.6/MISO/RXD1/TIN43P1.7/SCK/TXD1/TIN54RST/T2EX_/CAP2_5P3.6/UDP6P3.7/UDM7GND/VSS8VCC/VDD9V3310
EasyEDA_Cloud:CH552EFrom EasyEDA

Footprint

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Package_SO:MSOP-10_3x3mm_P0.5mmFrom KiCad's library

Pinout

10
The pins of the CH554E
PinNameType
1P1.4/T2_/CAP1_/SCS/TIN2/UCC1/AIN1Unspecified
2P1.5/MOSI/PWM1/TIN3/UCC2/AIN2Unspecified
3P1.6/MISO/RXD1/TIN4Unspecified
4P1.7/SCK/TXD1/TIN5Unspecified
5RST/T2EX_/CAP2_Unspecified
6P3.6/UDPUnspecified
7P3.7/UDMUnspecified
8GND/VSSUnspecified
9VCC/VDDUnspecified
10V33Unspecified

Open-source boards using it

1
  • 2 layers25 × 21 mmPS2USB, the printed circuit board in 3D

    PS2USB

    meerstern/PS2USB_CONVERTER

    PS/2 USB CONVERTER for old computers with USB keyboard

    16 parts9

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the CH554E?

Yes. The symbol is EasyEDA_Cloud:CH552E and the footprint Package_SO:MSOP-10_3x3mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CH554E?

MSOP-10, with 10 pins. Its footprint is drawn on this page.

Where is the CH554E datasheet?

WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.

Where can I order the CH554E?

JLCPCB lists it as part C111293, with 545 in stock; the sellers' links on this page open their listings.

What can replace the CH554E?

Parts like it in the library: the CH552E by WCH (Nanjing Qinheng Microelectronics), the ML51BB9AE by Nuvoton Tech, the MS51BA9AE by Nuvoton Tech and the BS84B04C-10MSOP by Holtek Semicon. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the CH554E?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.