OEM / ODM Custom Interconnect Solutions
Custom Magnetic Cable Assembly

12 Pin Slim Magnetic Charging Cable with Single-Row Contacts

A custom 12 pin magnetic charging cable with a slim rectangular mating head and twelve contacts arranged in a single linear row. The contacts are assigned according to the approved Pin Map and may support project-defined charging, power, return, detection or control functions. Voltage, current capability, cable construction, opposite-end termination, working stroke and magnetic retention are project-specific.

Confirm the Complete Cable Assembly
Magnetic End Pin count, shape and mating direction
Cable Construction Length, conductor and outer jacket
Opposite Termination USB, Type-C, DC or custom wire end
Electrical Functions Power, signal, detection or control

A Magnetic Cable Is More Than the Connector End

The finished assembly must define the magnetic mating component, internal conductor arrangement, cable construction and the opposite-end connection as one complete electrical system.

01

Magnetic Mating Interface

Confirm Pin count, contact allocation, magnet arrangement, connector shape, polarity control and mating direction.

02

Cable Construction

Define cable length, conductor count, wire specification, shielding requirements, jacket and flexibility.

03

Opposite-End Termination

Select USB, Type-C, DC plug, bare wire, terminal, PCB connection or another customized termination.

04

Device-Side Integration

Confirm installation space, outlet direction, strain relief, exposed-contact state and user operation.

12 PIN SLIM MAGNETIC CHARGING CABLE

Engineering Summary

This 12 pin magnetic charging cable is a complete cable assembly with a slim rectangular magnetic head and twelve electrical contacts arranged in one linear row.

The twelve contacts are assigned according to the approved Pin Map. Charging is the confirmed function of this product, while individual contacts may be allocated to power, return, detection, control or other project-specific electrical functions.

Magnets primarily assist capture and retention during mating. Final position, alignment and seating should be controlled by the mating housings and mechanical geometry, while the pogo contacts provide electrical contact and controlled Z-axis compliance.

Slim 12-Contact Interface Architecture

The visible mating interface uses twelve contacts distributed along a single row within a low-profile rectangular housing.

This architecture can be evaluated where a device requires multiple defined electrical functions along a limited edge or docking area. Pin count alone does not determine how many contacts are used for charging, return, detection or auxiliary functions.

Pin Count Twelve electrical contact positions

Contact Layout Single row / linear arrangement

Housing Shape Slim rectangular magnetic interface

Primary Function Project-defined charging interface

12-Pin Pin Map and Electrical Allocation

The approved drawing should identify Pin 1, viewing direction, contact pitch and the electrical function of all twelve contact positions.

A twelve-pin interface does not mean that all twelve contacts are used for charging. Depending on the project, contacts may be assigned to positive power, return, ground, detection, identification, control or other defined functions.

The cable-side and device-side drawings should use the same reference direction so the contact map cannot be mirrored during mechanical or electrical integration.

Parallel Contacts and Current Sharing

Multiple contacts may be evaluated in parallel where the approved Pin Map requires more than one conductive path for power or return.

Total current capability should not be calculated by simply multiplying the capability of one pogo contact by the number of parallel contacts.

Contact resistance, spring compression, conductor resistance, PCB copper, mechanical tolerance and temperature can cause unequal current sharing between parallel contact paths.

Parallel-contact performance should therefore be validated in the complete cable and mating assembly under the intended operating condition.

Magnetic Capture and Mechanical Seating

The magnetic structure assists the two mating components during approach and helps retain the interface after engagement.

Capture force, retention force, separation force and peel force describe different mechanical conditions. The required magnetic behavior should be selected according to the complete device geometry and intended release direction.

Final position and alignment should be established by the mating housing, mechanical datums, guides and seating surfaces. Magnetic attraction alone should not define final contact compression.

Working Stroke and Linear Contact Tolerance

All twelve spring-loaded contacts should operate within the approved working-stroke range after the two mating components reach their intended seated position.

Working stroke and total travel are different parameters. Working stroke defines the intended operating compression, while total travel represents the available mechanical movement of the spring contact.

For a long single-row interface, contact height, housing flatness, device-side position and mechanical tolerance should be reviewed across the complete contact line.

Pogo contacts should provide electrical connection and controlled compliance rather than act as the primary mechanical hard stop.

Charging Current and Complete Conductive Path

Charging-current capability cannot be determined from the twelve-pin count or contact size alone.

Power Source → Opposite-End Termination → Cable Conductors → Magnetic Cable Head → Assigned Pogo Contacts → Mating Interface → Device PCB → Charging Circuit → Battery / Load

Vdrop = I × Rpath
Ploss = I² × Rpath

Cable length, wire gauge, termination resistance, contact resistance, current sharing, device-side PCB copper, mating compression and temperature rise should be reviewed together before releasing a continuous-current rating.

Continuous current and peak current should be defined separately where the charging system includes transient or intermittent loading.

Charging Versus Signal or Data Functions

Charging is the confirmed function of this twelve-pin cable. The higher contact count does not automatically establish data capability or communication bandwidth.

If signal or data contacts are required, the complete channel should be reviewed, including the Pin Map, return path, contact pitch, contact geometry, device-side PCB transition, cable conductor arrangement, shielding and source and receiving electronics.

A protocol or supported data rate should only be stated after complete-channel validation.

Cable Construction and Opposite-End Termination

The twelve-pin magnetic head is only one part of the complete charging cable assembly.

Cable length, conductor count, wire gauge, shielding, outer jacket, strain relief and opposite-end termination should be defined according to the electrical and mechanical requirements of the finished device.

USB-A, USB-C, bare wire, terminal, PCB, FPC or another interface should only be specified after the approved cable drawing confirms the actual configuration.

Product Specifications

SpecificationDetails
Product Type12 Pin Magnetic Charging Cable Assembly
Pin Count12 Pin
Primary FunctionCharging
Contact ArrangementSingle Row / Linear
Housing ShapeSlim Rectangular / Bar Style
Cable-Side InterfaceIntegrated Magnetic Cable Head
Device-Side MateSeparate Mating Component Visible; Supply Scope To Be Confirmed
Magnetic FunctionCapture + Retention
Final Position / AlignmentControlled by Mechanical Mating Geometry
Pin MapDefined by Approved Drawing
Parallel Contact AllocationTo Be Confirmed
Charging FunctionConfirmed
Data / Signal FunctionTo Be Confirmed
Cable LengthProject-Specific
Opposite-End TerminationTo Be Confirmed
VoltageProject-Specific
Continuous CurrentTo Be Confirmed
Peak CurrentTo Be Confirmed
Current CapabilityValidate Complete Conductive Path
Working StrokeDefined by Approved Drawing
Total TravelTo Be Confirmed
Spring ForceProject-Specific
Magnetic RetentionProject-Specific
Device-Side MountingTo Be Confirmed
Material / PlatingTo Be Confirmed
Cycle LifeTo Be Confirmed
Operating TemperatureTo Be Confirmed
IP RatingNot Claimed Without Complete Assembly Validation

Customization Options

CTP can review the complete twelve-pin magnetic charging cable around the customer’s electrical, cable and mechanical requirements.

  • 12-contact Pin Map
  • Contact pitch and Pin 1 orientation
  • Power and return contact allocation
  • Parallel-contact configuration
  • Continuous and peak charging current
  • Cable length and wire gauge
  • Shielding where required
  • Opposite-end termination
  • Slim housing X / Y / Z dimensions
  • Device-side mounting geometry
  • Working stroke and mating tolerance
  • Magnetic retention and release behavior

Explore related Multi-Pin Magnetic Cable Connectors for other high-contact-count cable architectures.

Application Fit

This slim 12 pin magnetic charging cable can be evaluated for devices that require a detachable multi-contact charging or docking interface within a limited edge or connector space.

  • Tablets and handheld terminals
  • Portable electronic equipment
  • Charging docks and cradles
  • Removable equipment modules
  • Service and docking interfaces
  • Customer-defined multi-contact charging systems

Final application suitability depends on the approved Pin Map, current allocation, cable construction, mechanical integration, mating tolerance and environmental requirements.

Environmental and Reliability Validation

Environmental performance should be validated for the complete cable assembly and installed device-side interface under defined test conditions.

Corrosion behavior, mating-cycle capability, cable bending life and operating-temperature performance depend on the actual materials, plating, cable construction and mechanical operating conditions.

A slim housing or recessed contact interface does not establish a waterproof rating. An IP rating should only be claimed after the complete mating assembly and device sealing structure have been defined and tested.

Information Engineers Should Provide

  • 12-pin Pin Map
  • Pin 1 orientation and viewing direction
  • Contact pitch
  • Power and return contact allocation
  • Parallel-contact requirements
  • Operating voltage
  • Continuous and peak charging current
  • Allowed voltage drop and temperature rise
  • Cable length and wire gauge
  • Shielding requirements if applicable
  • Opposite-end termination
  • Available X / Y / Z space
  • Device-side mounting geometry
  • Working stroke and mating tolerance
  • Magnetic retention and preferred release behavior
  • Environmental requirements
  • 2D / 3D drawings when available
  • Expected project volume

FAQ

What is a 12 pin magnetic charging cable?

It is a magnetic cable assembly using twelve electrical contact positions. This version uses a slim rectangular mating head with all twelve contacts arranged in one linear row.

What are the twelve contacts used for?

The exact function of each contact is defined by the approved Pin Map. Contacts may be assigned to power, return, detection, identification, control or other project-specific electrical functions.

Are all 12 pins used for charging?

Not necessarily. The number of charging, return and auxiliary contacts depends on the project-specific Pin Map and electrical architecture.

Can multiple pins be connected in parallel for more current?

Parallel contacts can be evaluated, but current should not be assumed to divide equally. Contact resistance, conductor resistance, compression tolerance and temperature can affect current sharing.

What charging current can this 12 pin cable support?

Charging current is project-specific and must be validated across the complete conductive path, including cable conductors, terminations, assigned pogo contacts, the mating interface, device PCB and charging circuit.

Does 12 pins mean this cable supports high-speed data?

No. Pin count does not define data bandwidth. Any data function must be evaluated from the Pin Map, return path, contact geometry, PCB transition, cable construction and complete electrical channel.

What does the magnetic structure control?

Magnets primarily assist capture and retention. Final position, alignment and seating should be controlled by the mechanical mating geometry.

What is the working stroke of the 12 pogo contacts?

Working stroke is defined by the approved drawing and represents the intended operating compression. It should be distinguished from total mechanical travel.

Can cable length and opposite-end termination be customized?

Yes. Cable length, wire gauge, conductor allocation, shielding and opposite-end termination can be defined according to the approved project requirements.

What information is required for a custom 12 pin magnetic charging cable?

Provide the Pin Map, contact pitch, voltage, continuous and peak current, cable length, wire gauge, opposite-end termination, available mechanical space, working stroke, magnetic requirements and available 2D or 3D drawings.

CUSTOM 12 PIN MAGNETIC CABLE DEVELOPMENT

Request an Engineering Review

Send CTP your 12-pin Pin Map, contact pitch, voltage, continuous and peak current, cable length, wire gauge, opposite-end termination, working stroke, magnetic requirements and device-side drawings. Our engineering team can review the complete charging interface before quotation and sample development. Request Custom Quote & Samples

Engineering Review for 12 Pin Slim Magnetic Charging Cable with Single-Row Contacts

This product page presents a CTP magnetic cable assembly configuration for engineering reference. Final dimensions, electrical ratings, materials, magnet structure, sealing level and reliability targets are not universal values; they are confirmed against the approved drawing, installation condition and model-specific validation plan.

Information to provide for evaluation

  • source-side interface and device-side magnetic head
  • pin definition, current, voltage and signal requirements
  • cable length, conductor, jacket, shielding and strain relief
  • magnetic retention, polarity, sealing, color and packaging
  • sample quantity, validation plan and forecast volume

How specifications are confirmed

CTP reviews the application and prepares a drawing or specification for approval before sample production. Test scope, acceptance criteria and report format should identify the model, sample status, method, conditions, result and review date.

Can this magnetic cable assembly be customized?

Yes. Customization can cover geometry, contact layout, materials, cable construction, magnetic structure, sealing and appearance. Feasibility depends on the application and approved specification.

Are the electrical and waterproof values universal?

No. Current, voltage, resistance, temperature rise and ingress-protection claims apply only to the identified model and stated test conditions.

What determines sample and production timing?

Timing is confirmed after the drawing, materials, tooling, sample quantity, validation scope and production requirements have been reviewed.

Information Required Before Cable Development

A reference product image is not enough to define a cable assembly. Confirm the following information before drawing, sampling or quotation review.

1. Pin Map Define power, return, signal, control, detection and unused contacts.
2. Voltage and Current Provide voltage, continuous current, peak current and operating cycle.
3. Cable Length Confirm finished length, tolerance, moving conditions and routing path.
4. Wire Construction Define conductor count, wire requirement, shielding and outer-jacket conditions.
5. Opposite-End Interface Confirm USB, Type-C, DC, terminal, bare wire or custom connection.
6. Mechanical Conditions Provide available space, outlet direction, strain relief and mating requirements.

From Cable Requirements to Project Validation

The exact project route depends on whether an existing product can be used, modified or requires a new cable assembly design.

01

Requirement Review

Confirm product scope, Pin Map, cable length, termination, quantity and application conditions.

02

Cable and Connector Mapping

Match magnetic contacts to conductors, source-side wiring and device-side functions.

03

Drawing and Sample Scope

Confirm dimensions, outlet direction, cable construction and required sample configuration.

04

Validation and Production Review

Review electrical, mechanical and environmental conditions before production approval.

Have a Cable Drawing, Pin Map or Device Requirement?

Submit the magnetic-end structure, electrical functions, cable length, conductor requirements, opposite-end interface, installation space and available drawings for project review.

Submit Magnetic Cable Requirements