AW-MOD-48V-11F

The AW-MOD-48V-11F implements CAN 2.0B communication at 250 kbps or 500 kbps (configurable). The module transmits status messages at 100ms intervals containing: module voltage (0.1V resolution), individual cell voltages (1mV resolution), module current (0.1A resolution), temperatures from 4 sensors (0.1°C resolution), state of charge estimate (1% resolution), and fault status flags. The module accepts command messages for: sleep/wake control, current limit configuration, and balancing enable/disable. A DBC file is provided for easy integration with standard CAN tools and vehicle networks. The CAN interface is isolated to 500V from the power terminals. Termination resistor (120Ω) should be provided externally. For systems with multiple modules, each module can be assigned a unique node ID via DIP switches or software configuration. Contact our FAE team for the complete communication protocol specification and example code.

Request the DBC file and protocol specification from our support team for integration into your CAN network.

The AW-MOD-48V-11F includes comprehensive protection features to ensure safe operation and prevent damage. Overvoltage protection monitors individual cell voltages and module voltage, disconnecting the module via internal contactors if any cell exceeds 2.85V or module voltage exceeds 51V. Undervoltage protection disconnects the load if module voltage drops below 36V to prevent over-discharge. Overcurrent protection limits current to 25A continuous with automatic recovery; sustained overcurrent above 100A triggers contactor opening. Overtemperature protection reduces current limit at 55°C and disconnects at 70°C. Short circuit protection triggers immediate contactor opening with manual reset required. The module also includes reverse polarity protection on the communication interface and isolation monitoring for high-voltage safety. All protection events are logged in non-volatile memory with timestamps for diagnostic purposes. Fault status is indicated via CAN messages and LED indicators.

The module is self-protecting but external fusing is still recommended for system-level protection.

Sizing a 48V system with the AW-MOD-48V-11F requires calculating energy requirements and determining the number of parallel modules needed. The module stores approximately 4.0 Wh of usable energy (E = 0.5 × 11F × (48.6V² - 40V²) = 4.0 Wh assuming discharge from 48.6V to 40V). For example, a system requiring 2kW for 10 seconds needs 20 kJ = 5.6 Wh, requiring two modules in parallel (8.0 Wh total, providing margin). For power requirements: the module can deliver 20A continuous (960W) and 80A peak (3.8kW for 10s). If your application requires 4kW continuous, you need 5 modules in parallel (100A total capability). When paralleling modules, ensure equal cable lengths for current sharing. The CAN communication allows monitoring of all modules from a single interface. For systems with more than 4 modules, staged startup using contactors is recommended to limit inrush current.

Contact our FAE team with your power and energy requirements for detailed system sizing and configuration recommendations.

The AW-MOD-48V-11F thermal performance depends on operating conditions and cooling methods. The aluminum enclosure provides natural convection cooling rated for 20A continuous current at 25°C ambient. Internal temperature rise at 20A is approximately 15°C above ambient due to I²R heating (400W × 0.2Ω = 0.8W per cell × 18 cells = 14.4W total heat). Four internal temperature sensors monitor cell temperatures and enable active thermal management. At 45°C ambient, continuous current should be derated to 15A to maintain safe internal temperatures. Forced air cooling (200 LFM) increases continuous current capability to 30A. Mounting the module to a metal chassis or heat sink can improve thermal performance by 20-30%. The module includes thermal derating - current limit is automatically reduced if internal temperatures exceed 55°C. For high-duty applications, thermal modeling is recommended to ensure adequate cooling.

For continuous operation above 20A or ambient temperatures above 45°C, implement forced air cooling or chassis mounting.

The AW-MOD-48V-11F is well-suited for marine applications with appropriate installation considerations. The IP65 enclosure provides protection against water jets and dust, suitable for protected marine installations. For exposed locations or potential submersion, additional enclosure protection is required. The wide operating temperature range accommodates marine environments from arctic to tropical conditions. The module's resistance to shock and vibration meets marine requirements. Salt spray protection is provided by the anodized aluminum enclosure and sealed connectors. Common marine applications include: electric propulsion auxiliary power, winch and windlass energy storage, navigation system backup, and hybrid vessel energy recovery. The CAN communication interfaces well with marine monitoring systems. For installation, ensure adequate ventilation in engine compartments where temperatures may exceed 45°C. Use marine-grade cable and connectors for all electrical connections.

For marine installations, specify the optional conformal coating and stainless steel hardware. Contact our FAE team for marine certification requirements.

The AW-MOD-48V-11F carries a standard 3-year warranty against defects in materials and workmanship under normal use and service. The warranty covers repair or replacement of defective modules at the manufacturer's discretion. Warranty conditions require: operation within specified parameters (voltage, current, temperature), proper installation per the manual, no unauthorized disassembly or modification, and no physical damage from abuse or accident. The warranty does not cover: normal degradation of capacitance over time (expected to remain above 80% for 10+ years under normal conditions), damage from overvoltage, overtemperature, or reverse polarity, or damage from improper installation. Extended warranties up to 5 years are available for volume customers with approved application reviews. Warranty claims require RMA authorization and return of the defective unit for analysis. Contact our sales team for complete warranty terms and conditions.

Review the warranty terms before purchase. Extended warranty options are available for qualified applications.