M-BUS

MS720

  • New design recommended
Meter-Bus (M-BUS) Master Transceiver Circuit
Overview

The MS720TE is a master transceiver circuit developed specifically for M-Bus standard (EN1434-3) applications. This circuit can be used in conjunction with our MS721 chip circuit. The circuit features high sensitivity and good antiinterference capability. It incorporates comprehensive internal protection circuits to prevent device damage. The external application circuit is simple.

Key Features
  • ⚫ Compliant with EN1434-3 Standard (Master)
  • ⚫ Power Supply Voltage: 24V ~ 40V
  • ⚫ Provide 3.3V Regulated Voltage Source, Maximum Supply Current 10mA
  • ⚫ MBUS Maximum Power Supply Capability: 150mA
  • ⚫ MBUS Detection Current: 10mA  20mA (MBUS Slave Upstream Current)
  • ⚫ RXD and TXD Logic Levels Configurable via VIO
  • ⚫ Support Half-duplex UART Protocol Up to 9600 Baud Rate
  • ⚫ Support Sleep Mode, Standby Current Less Than 1μA
  • ⚫ Under-voltage Protection and Over-temperature Protection Functions
Key Features
M-BUS Master Interface Circuit