The B58944 is commonly found in Bosch ECUs used by various automotive brands, including . Specific ECU models that may utilize this or similar driver ICs include: Bosch ME7.4.4, ME7.5, ME7.9.6
Sites like Jotrin Electronics and ECUFix specialize in these automotive-grade ICs. Микросхема NEC B58944 D43256BGU-70Y nec b58944 datasheet
Including EDC7 and EDC16 (heavy-duty and diesel systems, such as those in Iveco or Volvo trucks). Equivalent and Cross-Reference Parts The B58944 is commonly found in Bosch ECUs
Understanding the NEC B58944: A Technical Overview If you are hunting for the , you are likely working with legacy telecommunications equipment or specialized industrial electronics. NEC (now part of Renesas Electronics in many segments) produced a vast array of semiconductors, and the B58944 remains a critical component for maintaining older hardware. The Role: The Unsung Hero of the EDC16
| Parameter | Symbol | Typical NEC Value | Meaning | | :--- | :--- | :--- | :--- | | Supply Voltage | VCC | e.g., 7V | Max voltage before damage | | Power Dissipation | PD | e.g., 500mW | Use heatsink if exceeded | | Junction Temp | Tj | 150°C | Max internal temp |
The story of the NEC B58944 is a classic case of a "ghost" component—a part that is vital to keeping millions of vehicles on the road but officially exists only in the shadow of proprietary documentation. The Role: The Unsung Hero of the EDC16 The NEC B58944 (often labeled with D43256BGU-70Y
| Parameter | Specification | | :--- | :--- | | | Bluetooth v2.0 + EDR (Enhanced Data Rate) | | Frequency Range | 2.4 GHz ISM Band (2400 – 2483.5 MHz) | | Interface | UART / HCI (Host Controller Interface) | | Modulation | GFSK (Basic Rate), π/4-DQPSK & 8DPSK (EDR) | | Max Data Rate | Up to 3 Mbps (EDR) | | Operating Voltage | 3.3V (Typical) | | Sensitivity | Typically -85 dBm to -90 dBm | | Transmit Power | Class 2 (typical +4 dBm) or Class 1 with external PA support | | Operating Temp | -20°C to +70°C (Standard Commercial) |