Automotive & EV
Automotive & EV Test Solutions
Integrated test engineering solutions for automotive electronics, covering functional test, calibration, communication validation, EOL, burn-in and production automation for BMS, CVS, CCU, OBC, TCM/TCU, V2X and related electronic modules.
Automotive Electronics Testing Is Becoming More Complex
EV and intelligent vehicle electronics integrate high voltage, high current, sensors, actuators, high-speed communication, wireless communication and complex control logic. Production testing is no longer just Voltage / Current / Pass-Fail.Vehicle Electronics Application Map
Test capabilities are organized around automotive electronic modules supported by current project materials, without extending into unsupported ADAS, radar or autonomous-domain-controller scope.Energy & Power
Functional, communication, sampling, calibration, EOL and burn-in tests for battery management systems.
High-voltage, high-current, calibration and chain communication tests for current and voltage sensing modules.
Power electronics functional tests covering interlock, drive signals and current sampling for on-board chargers.
Charging & Control
Signal simulation, calibration, communication and functional validation for charging control units.
Powertrain / Control
Project experience in motor loading, valve control, PWM, communication and high-temperature online functional tests.
Connectivity
RF measurement, S-parameter, calibration, LIN and antenna detection for automotive wireless electronics.
Other Automotive Electronics
Functional tests for controllers, sensor/actuator interfaces and related automotive electronic modules.
Battery Management System Test
BMS test coverage summarizes communication, calibration, functional, EOL, burn-in and parallel test needs. See the BMS solution page for details.
BMS DUT ↕ Fixture / Interface ↕ Signal Simulation ↕ Measurement / Communication ↕ Test Software ↕ Report / MESExplore BMS Test Solution
Current / Voltage Sensing Test
CVS project experience includes high voltage, high current, sampling calibration and isoSPI / Daisy Chain communication.
Specific system specifications depend on DUT and project requirements.
Charging Control Unit Test
CCU tests are organized around charging control, signal simulation, calibration and communication.
On-Board Charger Test
OBC testing focuses on power electronics functional test; onTAP is not positioned as an OBC manufacturer.
Power
SBC / MCU VoltageHVDC Current SamplingLVDC Current SamplingControl
CPWake / Sleep CurrentProtection
E-LockHV InterlockSignal
IGBT Drive WaveformHVDC MOSFET DriveLVDC MOSFET DriveMeasurement
VoltageCurrentDrive SignalTCM / TCU Test
Project experience includes motor loading, valve control, PWM, CAN and high-temperature online functional testing.
A previous project required online functional testing in an approximately 82°C high-temperature environment. This is not a general specification for all systems.
V2X / Automotive RF Test
Automotive wireless electronics testing combines RF measurement, production calibration, error proofing and functional validation.
Automotive Test Capability Matrix
Only combinations supported by available materials are marked.| Capability | BMS | CVS | CCU | OBC | TCM/TCU | V2X |
|---|---|---|---|---|---|---|
| Electrical Measurement | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| High Voltage | ✓ | ✓ | ✓ | |||
| High Current | ✓ | ✓ | ✓ | |||
| CAN | ✓ | ✓ | ✓ | |||
| LIN | ✓ | ✓ | ||||
| I2C / SPI | ✓ | ✓ | ||||
| Daisy Chain / isoSPI | ✓ | ✓ | ||||
| PWM | ✓ | ✓ | ✓ | |||
| Calibration | ✓ | ✓ | ✓ | ✓ | ||
| RF | ✓ | |||||
| Programming | ||||||
| FCT | ✓ | ✓ | ✓ | |||
| EOL | ✓ | |||||
| Burn-In | ✓ |
BMS
CVS
CCU
OBC
TCM/TCU
V2X
Real-World Signal Simulation
Automotive ECU testing usually cannot rely only on instrument measurement. The test system must simulate inputs, loads, networks and actuator conditions from real vehicles.Real Vehicle
SensorBatteryMotorSwitchNetworkActuatorTest System
Signal SimulatorLoadPowerCAN/LINMeasurementFixtureECU / DUT
ECU OutputsCommunication ResponseCurrent ConsumptionControl SignalsFault StatesProduction Calibration
A test system does more than verify Pass/Fail. Some automotive electronics require parameter calibration during production.Automotive Communication
Communication can be part of device initialization, functional control, measurement, calibration, programming, fault verification and result validation.FCT
PCB / Module Functional Test
EOL
Final Product / Assembly Validation
Burn-In
Reliability / Long-duration Functional Test
Parallel Test
BMS materials include a 24-unit parallel burn-in project example, illustrating why parallel test matters for cycle time and equipment utilization.
Project Example
High Voltage & High Current Test Engineering
Using CVS project experience as an example, the test system must consider measurement, simulation, calibration, protection and fixture/interface design together.
Automotive Engineering Architecture
Test software connects communication, measurement, calibration, fixture, simulation, DUT and production data.CAN / LIN / I2C / SPI / isoSPIMeasurement
DMM / DAQ / HV / HC / ScopeCalibration
Algorithms / Data Write / Verification
Engineering in Practice
Representative project types are summarized as engineering evidence without customer names, project years or line quantities.BMS
Covering function, communication, sampling calibration, traceability and parallel burn-in tests.
Functional + Calibration + Communication + Burn-InCVS
High-voltage and high-current sensing modules require measurement, calibration, chain communication and data-write verification.
850V + +/-700A + isoSPI + CalibrationOBC
Power electronics functional tests need to cover interlock, control signals, drive waveforms and current sampling.
Power Electronics + HV Interlock + Drive SignalV2X
Automotive wireless electronics testing combines RF measurement, production calibration and functional-state validation.
RF + S-Parameter + Calibration + LINDeveloping a New Automotive Test System?
Whether the DUT is a BMS, OBC, controller or another automotive electronic module, the right test architecture starts with interfaces, coverage, cycle time and production data requirements.