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BL3085B on a board, in 3D

BL3085B

BL

SOP-8L RS-485 / RS-422 ICs ROHS

Extended
DatasheetJLCPCBLCSCbl/BL3085B
Category
RS 485 , RS 422 ICs
Package
SOIC-8
Pins
8

Overview

The BL3085B is a RS 485 , RS 422 IC made by BL in a SOIC-8 package with 8 pins. SOP-8L RS-485 / RS-422 ICs ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Pro:BL3085B, from EasyEDA Pro) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 31,455 are in stock at JLCPCB (part C49022662). 1 open-source board in 1 repository on GitHub use it.

Symbol

RO1RE#2DE3DI4GND5A6B7VCC8
EasyEDA_Pro:BL3085BFrom EasyEDA Pro

Footprint

12345678
Package_SO:SOIC-8_3.9x4.9mm_P1.27mmFrom KiCad's library

Parameters

13
Communication Mode
Half-Duplex
Data Rate
250Kbps
Driver/receiver
1/1
ESD Protect
±18kV
Features
Enable shutdown
Number of Drivers
1
Number of Nodes
256
Number of Receivers
1
Operating Temperature
-40℃~+85℃
Quiescent Supply Current
150uA
Type
Transceiver
Types
transceiver
Voltage - Supply
4.5V~5.5V

Order codes

2

Pinout

8
The pins of the BL3085B
PinNameType
1ROUnspecified
2RE#Unspecified
3DEUnspecified
4DIUnspecified
5GNDUnspecified
6AUnspecified
7BUnspecified
8VCCUnspecified

Open-source boards using it

All 1
  • 2 layers72.3 × 87.3 mmYork vrf 1, the printed circuit board in 3D

    York vrf 1

    va-cyber-zha/My_PCBs-during-internship

    102 parts

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A picture
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A picture that opens the part, for a README
[![BL3085B](https://pcbkit.io/embed/parts/bl/BL3085B.jpg?size=s)](https://pcbkit.io/parts/bl/BL3085B)

Questions

Is there a KiCad symbol and footprint for the BL3085B?

Yes. The symbol is EasyEDA_Pro:BL3085B and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the BL3085B?

SOIC-8, with 8 pins. Its footprint is drawn on this page.

Where is the BL3085B datasheet?

BL publishes it: the Datasheet link on this page opens it.

Where can I order the BL3085B?

JLCPCB lists it as part C49022662, with 31,455 in stock; the sellers' links on this page open their listings.

What can replace the BL3085B?

Parts like it in the library: the SP3485EN-L/TR by MaxLinear, the SP485EEN-L/TR by MaxLinear, the SN75176BD by Texas Instruments and the MAX485ESA+T by Maxim Integrated (Analog Devices). Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the BL3085B?

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

Parts like it

8