Wired Transceivers & Modems | NCN5121

用于双绞线网络的 KNX 收发器

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KNX 收发器双绞线网络 (KNX TP1-256) 可以将 NCN5121 用作接收器-发射器集成电路 (IC)。NCN5121 同时嵌入了 PHY 和 MAC 层，用于处理总线上的发射和接收。它会从未调节的总线电压产生稳定的电压，用于自身电源需求以及为外部器件供电。NCN5121 确保了与总线的安全耦合和去耦合。通过模拟引脚可提供各种监控指标（总线电压、电流、温度...）。

  • Home Automation
  • Smart Building

  • Smart lighting & switches
  • Ventilation and air conditioning
  • Thermostats
  • Alarms and smoke detectors
  • Shutters and blinds
  • Alarms
  • Occupancy detection

  • KNX certified TP transceiver with embedded PHY and MAC layers (TP1-256) . 9600 Bauds communication speed.
  • Two high efficient DC-DC converters + one linear regulator :
    - DC-DC1 : fixed 3.3 V
    - DC-DC2 : adjustable between 1.2 and 21 V
    - 20V linear regulator
  • Bus Current Consumption up to 24 mA
  • Supervision of temperature, KNX bus voltage and current
  • Control and monitoring of power regulators
  • Buffering of sent data frames (extended frames upported)
  • Selectable UART/SPI interface and baud rate to host controller.
  • Comprehensive clocking system
    - Operates with industry standard low cost 16 MHz quartz
    - Can generate 8/16 MHz clock for the external MCU
  • Extended ambient temperature range -40 C to +105 C

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NCN5121MNTWG

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CAD Model

Pb

A

H

P

QFN-40

485AU

3

260

REEL

3000

Y

KNX

9600 baud

1

1

3.13

3.47

-

-

-

$3.059

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可靠性数据

Die Related Summary Data

Device: NCN5121MNTWG

Equivalent to wafer fab process: CMOS SUB

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

CMOS SUB

2

920154574

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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