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We have established a product portfolio that is tailored for multiple scenarios and boasts high reliability, with wide-ranging applications in strategic fields such as smart energy storage, industrial control, power electronics, and smart cities, providing stable and efficient technological support for the energy transition and the development of smart urban infrastructure.
Smart Energy Storage
Energy Storage BMS Solution
Core Features
● Dual-core intelligent control, safe and efficient.
It integrates an ARM Cortex-M3 core and a TI C28x DSP core. The M3 core handles communication and scheduling, while the C28x core excels in high-precision data acquisition and complex algorithm processing. With clearly defined divisions of labor, this dual-core architecture delivers real-time performance far superior to single-core solutions.
● High-precision battery monitoring
Supports ADC sampling with resolution exceeding 16 bits, with total voltage (TV) and total current (TI) measurement accuracy up to ±0.1% FSR, and single-cell voltage (CV) measurement accuracy of ±2 mV, enabling precise monitoring of battery status.
● All-round security protection
Hardware-level protection features include overvoltage (OV), undervoltage (UV), overcurrent (OC), short circuit (SC), and overtemperature (OT) protection, with response speeds reaching the microsecond level, thereby establishing a robust safety barrier.
● Smart Balanced Management
Supports both passive and active balancing strategies (requires external chip expansion), effectively mitigating battery inconsistencies and enhancing overall capacity and lifespan.
● Powerful cloud-edge interconnection
It integrates multiple industrial communication interfaces, enabling seamless connection to cloud platforms for data monitoring, fault prediction, and intelligent analysis.
Email: sales@sengkeda.com
Core specification parameters
| Parameter Category | Detailed indicators |
| Main controller | TI F28M35H52C1RFPT |
| Processor architecture | Dual-core: ARM® Cortex™-M3 (120 MHz) + TI C28x DSP (150 MHz) |
| Analog Front End (AFE) | External high-performance battery monitoring chip (e.g., TI BQ76 series) |
| Voltage detection accuracy | ±2 mV (single-cell voltage) |
| Current detection accuracy | ±0.1% FS (using a high-precision isolated sampling resistor + amplifier) |
| Temperature detection | Supports NTC thermistors, multi-channel (typically 16–32 channels). |
| Balance function | Passive equalization, with a current typically ranging from 100 to 200 mA (active equalization can be externally expanded). |
| Insulation testing | Supports insulation resistance testing between high-voltage systems and ground. |
| Operating temperature | -40°C ~ +85°C (Industrial-grade standard) |
| Security certification | Supports development compliant with the ISO 26262 functional safety standard. |
Interface Information
| Interface Type | Description and Function | Core chip division of labor |
| Battery sampling interface | SPI/I2C: Connect to the external battery monitoring AFE chip to acquire cell voltage and temperature. | C28x DSP |
| Current sampling interface | ADC: Connects to an isolated operational amplifier to acquire charge and discharge currents. | C28x DSP |
| High-voltage isolation interface | CAN FD / CAN 2.0B: The primary communication interface, enabling reliable communication with the Vehicle Control Unit (VCU), Motor Control Unit (MCU), or Power Conversion System Controller (PCS). | Cortex-M3 |
| Diagnostic communication interface | UART / RS-485: Used for connecting debugging tools, displays, or backup communication. | Cortex-M3 |
| Internal communication interface | SPI / UART: Data exchange and command synchronization between the M3 core and the C28x core. | Dual-core interconnection |
| Digital input/output | GPIO: Controls the charge/discharge relay, pre-charge relay, fan, heater, and more. | Cortex-M3 |
| Debugging and Programming | JTAG: Used for program flashing and online debugging of dual-core devices. | Dual-core |
| Information Security | Hardware encryption module: Supports algorithms such as AES and SHA to ensure communication and data security. | Cortex-M3 |
Software and Features
Advantages of the dual-core architecture
| Task Assignment | Cortex-M3 core (application core) | C28x DSP Core (Control Core) |
| Responsibilities | Communication management, status monitoring, policy scheduling, human-machine interaction | High-precision data acquisition, real-time protection, SOC/SOH estimation, and balancing control. |
| Advantage | Run OSes such as FreeRTOS to easily handle complex protocol stacks and upper-layer applications. | Optimized for real-time control, featuring fast processing of mathematical algorithms and high precision. |
| For example | Handle CAN communication, upload data to the cloud, and manage the display screen. | Real-time calculation of battery SOC and implementation of voltage and current protection judgments. |
Typical application scenarios
- Large-scale Energy Storage Systems (ESS): grid-side, commercial and industrial energy storage cabinets, and home energy storage systems.
- New-energy vehicles: Power battery packs for pure electric/hybrid vehicles.
- Industrial Equipment: Power management for industrial vehicles such as forklifts, AGVs, port machinery, and other industrial vehicles.
- Uninterruptible Power Supply (UPS): Backup lithium battery systems for data centers and communication base stations.
Keywords：Energy Storage BMS Solution
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Guangzhou SENGKEDA Technology Co., Ltd
Contact: Elaine Huang
Service hotline: +86 20 8792 5274
Email: sales@sengkeda.com
Company Address: Building D, No. 1, Cai Pin Road, Science City, Huangpu District, Guangzhou, Guangdong Province
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