Overview
The NCN5151MNTWG is a single-chip integrated slave transceiver designed by onsemi, optimized for use in multi-energy utility meters. It is specifically tailored for applications involving water, gas, electricity, and heating systems. This transceiver is part of the M-BUS (Meter Bus) protocol and is engineered to reduce electromagnetic interference, simplify PCB design, and ensure fast startup and shutdown. It also features error detection and correction, a fault-tolerant design, and polarity independence, making it highly reliable and versatile.
Key Specifications
| Status | Active |
|---|---|
| Package Type | QFN-20 |
| Case Outline | 485E |
| MSL Type | 1 |
| MSL Temp (°C) | 260 |
| Container Type | REEL |
| Container Qty. | 2500 |
| Data Transmission Standard | M-BUS |
| Data Rate | 38400 baud |
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| VCC Min (V) | 3.1 |
| VCC Max (V) | 3.6 |
| Operating Temperature (°C) | -40 to 85 |
| Mounting Type | Surface Mount |
| Package / Case | 20-VFQFN Exposed Pad |
Key Features
- Reduced Electromagnetic Interference: Minimizes noise and ensures reliable communication.
- Simplified PCB Design: Reduces complexity and increases reliability.
- Fast Startup and Shutdown: Ensures quick response times and reduces power consumption.
- Error Detection and Correction: Detects and corrects errors to ensure reliable data transmission.
- Fault-Tolerant Design: Continues operation even in the event of a fault.
- Polarity Independence: Allows for easy integration with microcontrollers.
- Low Power Consumption: Includes 2 and 3-wire low power modes for energy efficiency.
- Programmable Power Level: Up to 6 unit loads available through a 3.3 V LDO regulator.
- Integrated 3.3V VDD LDO Regulator: With extended peak current capability of 15 mA.
- Power-Fail Function: In M-BUS mode, ensures reliable operation during power failures.
Applications
The NCN5151MNTWG is specifically designed for use in multi-energy utility meters, including:
- Water meters
- Gas meters
- Electricity meters
- Heating systems
Q & A
- Q: What are the key features of the NCN5151MNTWG?
A: Reduced electromagnetic interference, simplified PCB design, fast startup and shutdown, error detection and correction, fault-tolerant design, polarity independence, and low power consumption.
- Q: What applications is the NCN5151MNTWG suitable for?
A: Multi-energy utility meters, including water, gas, electricity, and heating systems.
- Q: How does the NCN5151MNTWG ensure reliable operation?
A: Through its fault-tolerant design, error detection and correction capabilities, and robust construction.
- Q: Can I adjust the current source of the NCN5151MNTWG?
A: Yes, the NCN5151MNTWG supports adjustable constant current sources for easy adjustment to varying loads.
- Q: What is the data transmission standard used by the NCN5151MNTWG?
A: The NCN5151MNTWG uses the M-BUS (Meter Bus) protocol.
- Q: What is the operating temperature range of the NCN5151MNTWG?
A: The operating temperature range is -40°C to 85°C.
- Q: Is the NCN5151MNTWG RoHS compliant?
A: Yes, the NCN5151MNTWG is RoHS3 compliant.
- Q: What is the package type of the NCN5151MNTWG?
A: The package type is QFN-20.
- Q: What is the maximum data rate supported by the NCN5151MNTWG?
A: The maximum data rate is 38400 baud.
- Q: Does the NCN5151MNTWG have integrated voltage regulation?
A: Yes, it includes an integrated 3.3V VDD LDO regulator with extended peak current capability of 15 mA.
