Smart Gas/Water Meter

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• Description
• Features
• Block Diagram
• Products
• Tools

Description

NXP connectivity solutions for smart metering address the challenges smart cities face for reliable, secure communications for remote metering and home energy management. We enable remote metering with NAN technologies like IEEE® 802.15.4 and Wireless MBUS. Additionally, NXP fosters smart energy management inside homes with HAN technologies like ZigBee®.

Flow meters help smart cities measure the volume of natural gas or water at a specific time or over a long period. The measurement is then displayed on low-power segment LCDs, often driven by segment LCD drivers on a MCU.
Advanced flow meters incorporate RF communication interfaces for connecting to one-way or two-way RF meter reading systems.

Features

• Cost of the devices in the system
• Reliability of the devices in the system in harsh outdoor environments
• Battery life of the system, > 10 years
• Security to guard against tampering
• Communication interface requirements
• Ability to expand and update the system in the field

Block Diagram

Products

Category Name 1:	MCU
Product URL 1	LPC546XX Microcontroller (MCU) Family | NXP
Product Description 1	The LPC546xx MCU family is architected to be power efficient for applications that require data aggregation from several different inputs. This MCU family provides a variety of wake-up sources including the FlexComm peripherals.

Category Name 2:	Wireless
Product URL 1	BGS8L5 SiGe:C LNA MMIC bypass switch LTE | NXP
Product Description 1	The BGS8L5 is a LNA with bypass switch for LTE receiver applications, in a small plastic 6-pin thin leadless package. It delivers system-optimized gain for diversity applications where sensitivity improvement is required.
Product URL 2	Low-Power Multi-Channel UHF RF Wireless Platform | NXP
Product Description 2	The OL2385 device is a radio frequency transceiver with an embedded MCU designed for a wide range of industrial and home applications requiring very high link budget for bidirectional RF communication.
Product URL 3	Zigbee and IEEE 802.15.4 wireless microcontroller with 512 kB Flash, 32 kB RAM | NXP
Product Description 3	The JN5169 is an ultra-low-power, high-performance wireless MCU suitable for ZigBee applications.

Category Name 3:	Driver
Product URL 1	Universal LCD driver for low multiplex rates | NXP
Product Description 1	The PCF85133 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) with low multiplex rates.

Category Name 4:	Switch
Product URL 1	Logic controlled high-side power switch | NXP
Product Description 1	The NX3P2902B is a high-side load switch which features a low ON resistance P-channel MOSFET. The MOSFET supports more than 500 mA of continuous current and an integrated output discharge resistor to discharge the output capacitance when disabled.
Product link 2	Single pole double throw (SPDT) switch | NXP
Product Description 2	The SA630 is a wideband RF switch fabricated in BiCMOS technology and incorporating on-chip CMOS/TTL compatible drivers. Its primary function is to switch signals in the frequency range DC to 1 GHz from one 50 Ω channel to another.

Category Name 5:	Peripherals
Product URL 1	PCF2123 | NXP
Product Description 1	The PCF2123 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power applications. Data is transferred serially via a Serial Peripheral Interface (SPI-bus) with a maximum data rate of 6.25 Mbit/s.
Product URL 2	-50 to 50kPa, Differential and Gauge Pressure Sensor | NXP
Product Description 2	On-chip, bipolar op amp circuitry and thin film resistor networks to provide a high output signal and temperature compensation.

Category Name 6:	Secure
Product URL 1	A71CH | Plug and Trust for IoT | NXP
Product Description 1	A71CH is a ready-to-use secure element for IoT devices providing a root of trust at the IC level and delivers, chip-to-cloud security right out of the box, so you can safely connect to IoT clouds and services, including AWS, IBM Watson IoT™ Platform, and Google Cloud™ IoT Core without writing security code or exposing keys.

Tools

Product	Link
OM13098: LPCXpresso54628 Development Board	OM13098 | LPCXpresso Development Board | LPC Microntrollers (MCUs) | NXP
OM2385/SF001 - OL2385 Wireless sub-GHz Transceiver SIGFOX Development Kit with KL43Z	OM2385/SF001 - SIGFOX Development Kit | NXP
OM15020: JN5169 USB Dongle for ZigBee	JN5169 USB Dongle for ZigBee | NXP
OM3710/A71CHARD | A71CH Arduino® compatible development kit	OM3710/A71CHARD | A71CH Arduino® compatible development kit | NXP
OM13512: Demoboard for the SPI-bus RTC PCF2123	Demoboard for the SPI-bus RTC PCF2123 | NXP