CH455G

WCH (Nanjing Qinheng Microelectronics)Extended

-40℃~+85℃ 2.7V~5V 25mA 4MHz 50uA 7 Segment × 4 Digit、8 Segment x 4 Digit Adjustable Glow、Key Scan、Common Cathode I2C SOP-16 Digital Tube Drivers ROHS

Datasheet JLCPCB LCSC

Part id: wch/CH455G
Category: Digital Tube Drivers
Package: SOP-16
Pins: 16
In stock: 24,288 at JLCPCB (C89818)
Used on: 2 open-source boards

Overview

The CH455G is a digital Tube Driver made by WCH (Nanjing Qinheng Microelectronics) in a SOP-16 package with 16 pins. -40℃~+85℃ 2.7V~5V 25mA 4MHz 50uA 7 Segment × 4 Digit、8 Segment x 4 Digit Adjustable Glow、Key Scan、Common Cathode I2C SOP-16 Digital Tube Drivers ROHS.

PCBKit's library has its KiCad symbol (Driver_LED:CH455G, from KiCad's library) and its footprint (Package_SO:STC_SOP-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 24,288 are in stock at JLCPCB (part C89818). 2 open-source boards in 2 repositories on GitHub use it.

Symbol

Driver_LED:CH455GFrom KiCad's library

Footprint

Package_SO:STC_SOP-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Pinout

The pins of the CH455G
Pin	Name	Type
1	SEG4	Tri-state
2	SEG5	Tri-state
3	SEG6	Tri-state
4	SEG7	Tri-state
5	DIG0	Output
6	SCL	Input
7	SDA	Input/output
8	GND	Power in
9	DIG1	Output
10	DIG2	Output
11	DIG3	Output
12	SEG0	Tri-state
13	SEG1	Tri-state
14	VCC	Power in
15	SEG2	Tri-state
16	SEG3	Tri-state

Parameters

Clock Frequency: 4MHz
Configuration: 7 Segment × 4 Digit
Digit Drive Current: 160mA
Features: Internal reset function
Interface: I²C
Operating Temperature: -40℃~+85℃
Quiescent Current: 50uA
Segment Drive Current: 25mA
Voltage - Supply: 2.7V~5V

Order codes

CH455GLCSC C89818

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Open-source boards using it

2 layers12.5 × 23.3 mm
V485 display
gabrielyoung92/gabs_microSMT_PickAndPlace
Independent reorganisation of MicroSMT feeder and PNPv3 files, previews and documentation, with upstream attribution and ChatGPT assistance.
5 parts1
2 layers30.5 × 41 mm
Din box
blu006/blu_BOB_and_MISC
My breakout boards and miscellaneous boards
31 parts

Parts like it

CH455H
SOP-18-300mil-40℃~+85℃ 2.7V~5V 25mA 4MHz 50uA 7 Segment × 4 Digit、8 Segment x 4 Digit Adjustable Glow、Key Scan、Common Cathode I2C SOP-18-300mil Digital Tube Drivers ROHSWCH (Nanjing Qinheng Microelectronics)Digital Tube Drivers

Questions

Is there a KiCad symbol and footprint for the CH455G?

Yes. The symbol is Driver_LED:CH455G and the footprint Package_SO:STC_SOP-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CH455G?

SOP-16, with 16 pins. Its footprint is drawn on this page.

Where is the CH455G datasheet?

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

Where can I order the CH455G?

JLCPCB lists it as part C89818, with 24,288 in stock; the sellers' links on this page open their listings.

What can replace the CH455G?

Parts like it in the library: the CH455H by WCH (Nanjing Qinheng Microelectronics). Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the CH455G?

2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.