Battery
Management System
An innovative solution to manage single- and multipack battery systems
The Webasto Battery Management System (BMS) is a versatile ‘all-in-one’ solution that can be adapted to a wide variety of vehicle types. From high-performance sports cars to commercial vehicles with large battery systems, the platform approach offers customized solutions for every specific application. The focus is always on the highest quality and reliability.
Advantages of the Battery Management System
The Webasto BMS combines reliability and performance and is perfectly designed for systems with multiple battery packs. It is highly flexible and meets a wide range of demanding customer requirements. As a reliable system partner, Webasto develops, certifies and tests the BMS in Germany and supports its customers through to integration and commissioning.
Technical data Battery Management System
| Interfaces and general specifications** | |
| BMS 2.0 | |
| Housing | On demand |
| Operating temperature | -40 °C to +85 °C |
| Voltage and current measurement | 1000 V (1500 V on request) 2600 A |
| Connector | Standard automotive low voltage connectors |
| Power supply | 12 V / 24 V (48 V on request) |
| CPU | 32-bit automotive safety multicore MCU running at 300 MHz with 6 MB internal program memory |
| Autosar | 4.2.2 |
| Calibration tool | Calibration data management XCP, UDS or data set |
Hardware interfaces | Cl30, Cl30c, Cl15, HV interlock, PWM, adressing pins, 4x digital / 4x analog inputs, up to 5 HV-contactors with onboard economizer |
Communication | 4x CAN FD (1x wake-up and partial networking) 2x ADI IsoSPI, 1x LIN |
| Enhanced function | Wake up: CL 15, network management according AUTOSAR, various sensor & load supplies up to 1 A |
| Cell monitoring board | ≤ 16x or ≤ 24x cells supported per CMB, passive balancing, 4x external & 3x internal temperature sensors |
**Further specifications upon request.
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