OBD-II Interface Chip

Assembly

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Transceiver IC that converts between CAN bus / K-line protocols and the processor.

Direct parts	4
Total parts	5
Used in	1 assembly
Class	Assembly

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Transceiver IC that converts between CAN bus / K-line protocols and the processor. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

OBD-II Interface Chip parts and their functions

4 top-level parts · 5 parts in total · full bill of materials below

OBD-II Interface Chip parts diagram: 1 CAN bus transceiver, 2 k-line interface, 3 isolation optocoupler, 4 ESD suppressor. 5 parts in 4 top-level items. — OBD-II Interface Chip parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	CAN Bus Transceiver	1×	ISO 11898 CAN controller + PHY
2	K-Line Interface	1×	ISO 9141-2 K-line / L-line interface
3	Isolation Optocoupler	2×	Galvanic isolation from vehicle power
4	ESD Suppressor	1×	Transient voltage suppressors

3D model

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Build & assembly graph

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Bill of materials for OBD-II Interface Chip

4 top-level lines · 4 rows shown · 5 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	CAN Bus Transceiver	obd-scan-tool-can-transceiver	1×	1	·	part
2	K-Line Interface	obd-scan-tool-lin-transceiver	1×	1	·	part
3	Isolation Optocoupler	obd-scan-tool-isolation-optocoupler	2×	2	·	part
4	ESD Suppressor	obd-scan-tool-esd-protection	1×	1	·	part

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Where the OBD-II interface chip is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Automotive Service Equipment 1 OBD-II Scan Tool

Used in 1 assembly

OBD-II Scan Tool

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks