For global automotive OEMs, system integrators, and commercial vehicle suppliers, the ASC-03 e-Damper Single-Valve Control Unit delivers precise, reliable damping system control—while addressing core B2B priorities: regulatory compliance, total cost of ownership (TCO) reduction, supply chain stability, and seamless integration. Built to meet the rigorous demands of global markets, it balances automotive-grade performance, flexibility, and safety for passenger, commercial, and specialty vehicle applications.
A concise comparison of our automotive-grade e-damper control products, designed to help you select the right solution for your system needs.
Overview
Both models are ASIL-B certified, rugged e-damper control solutions built for passenger/commercial vehicles. They share core performance features, with key differences tailored to single- vs. dual-valve system configurations.
Core Specifications
Applicable to both ASC-03 and ASC-04:
Processor: Automotive-grade POWER architecture (ASIL-B certified)
System Compatibility: 12V/24V vehicle systems; partial bus wake-up support
Sensor Inputs: Compatible with PSI5/PWM/RAW_AD signals; 4x RAW_AD channels (4 sensors max) + 4x PSI5 channels (24 sensors max)
Current Control Features:
High-side/low-side control (no hardware mods)
Adjustable PWM (up to 20kHz)
PI closed-loop current control (±1A/ms bidirectional speed)
Chatter control (Chopper + Dither)
Safety & Sensing: Redundant safety enable; built-in temp sensor; 6-axis IMU (simplifies sensor layout)
Communication: 2x CAN (CAN FD) + 1x K-Line/LIN; compatible with high/low-speed bus networks
Durability: IP67 rating (suitable for exterior cabin installation)
Selection Guide
Choose ASC-03 if you need control for single-valve e-damper systems (compact 32-pin layout).
Choose ASC-04 if you need control for dual-valve e-damper systems (8-channel capacity + 48-pin compatibility).
Model-Specific Key Differences
| Feature | ASC-03 | ASC-04 |
| Application | e-Damper Single-Valve Control Unit | e-Damper Dual-Valve Control System |
| Current Control Channels | 4 channels (2A per channel) | 8 channels (2A per channel) |
| Form Factor | 32-pin plug-in design | 48-pin plug-in design (enhanced compatibility) |
Technical Highlights & B2B-Centric Advantages
1. Automotive-Grade Safety & Global Regulatory Compliance
Market Access Ready:
ASIL-B certified (aligned with ISO 26262 functional safety standards) + AEC-Q100 qualified, directly meeting access regulations for North American, European, and Asian automotive markets—eliminating extra compliance testing time and costs for buyers.
Risk Mitigation:
Supports full functional safety workflows of global automakers; comprehensive Safety Case documentation is available to reduce end-product certification risks.
Self-Monitoring Reliability:
Redundant safety enable for real-time system checks, ensuring consistency in harsh on-road conditions.
2. TCO-Optimized Sensing & Input Flexibility
BOM Cost Reduction:
Built-in 6-axis IMU (Tri-accelerometer + Tri-gyroscope) eliminates separate inertial sensor purchases, cutting customer system BOM costs by 15–20% while reducing wiring/installation labor.
Inventory Efficiency:
Dual 12V/24V compatibility removes R&D investment and stock pressure associated with developing separate units for passenger vs. commercial vehicles.
Versatile Sensor Support:
Compatible with PSI5, PWM, and RAW_AD signals; includes 4 independent RAW_AD analog channels (4 sensors max) + 4 dedicated PSI5 channels (24 sensors max) for diverse system configurations.
3. Customizable Current Control for Targeted Performance
Hardware-Free Adaptability:
4 current control channels (2A/channel) with switchable high-side/low-side control (no hardware mods required) to match varied damper valve designs.
Tailored Parameters:
Customizable PWM frequency (up to 20kHz), closed-loop bidirectional current adjustment (±1A/ms), and Chatter Control Logic (Chopper + Dither)—aligned to your specific valve characteristics, shortening system debugging cycles.
4. Supply Chain & Mass Production Assurance
Stable Capacity:
500,000+ units/year production volume, with key components sourced from global Tier 1 suppliers (e.g., NXP, TI) to avoid downtime from material shortages.
Global Delivery Speed:
Supports EXW/FCA/FOB trade terms; 48-hour sample delivery and 7-day bulk delivery to North America, Europe, and Southeast Asia.
5. Seamless Integration & Global Technical Support
Accelerated Development:
English CAD/STEP models, API documentation, and test fixture guidelines reduce average integration cycles by 30%.
Protocol Customization:
CAN/LIN firmware services enable seamless with your existing ECU systems.
Time-Zone Aligned Support:
7×12-hour global technical team offering on-site debugging and fault diagnosis across major market time zones.
6. Long-Term Reliability & Environmental Compliance
Low Maintenance Costs:
IP67 ingress protection + automotive-grade vibration/temperature resistance, with an MTBF (Mean Time Between Failures) of ≥100,000 hours.
Green Supply Chain Ready:
Compliant with RoHS 2.0 and REACH EU regulations, avoiding trade barriers and aligning with sustainable procurement goals.
The ASC-03 is your future-ready e-damper control solution—combining global compliance, cost efficiency, and reliable performance to support your automotive innovation and market expansion.