KM35 MCU Family for Smart Metering

Product Highlights > KM35 MCU Family for Smart Metering

            KM35 MCU Family for Smart Metering
                    NXP's MCUs feature a high-accuracy AFE with four 24-bit Sigma-Delta ADCs for simultaneous voltage and current measurement
    

Image of NXP's KM Series MCUs NXP's KM series of MCUs is based on the 32-bit Arm® Cortex®-M0+ core and provides a low-cost, highly integrated solution for one-, two-, and three-phase electricity meters that require powerful 32-bit processing capability, precision analog, security, and HMI functionality. Each MCU includes a powerful analog front-end that is configurable for different regions, enabling power calculations with high accuracy. A high-accuracy, real-time clock delivers less than 5 PPM drift over temperature. Metrology firmware for calculating active, reactive, and apparent power using a variety of algorithms is provided complimentary.

Features

Analog front-end
- High-accuracy AFE with four 24-bit Sigma-Delta ADCs for simultaneous voltage and current measurement
- 16-channel, 16-bit SAR ADC inputs for accurate measurement of phase voltage in three-phase applications
Security and HMI
- Cortex-M0+ core, memory protection unit, and cross-bar peripheral bridge
- GPIO and DMA enable compliance with WELMEC and OIML standards
- Active and passive tamper pins with automatic time stamping to protect against external intrusion
- HW encryptions (MMCAU – DES, 3DES, AES, MD5, and SHA-1/SHA-256) CRC (16-bit/32 bit) for data integrity

Rich enablement
- Comprehensive peripheral library drivers included in the MCUXpresso ecosystem
- Filter- and FFT-based metrology firmware provided free-of-charge
- TWR-KM35Z75M NXP Tower System Module compatible with multiple peripheral modules from NXP and third parties

Applications

Electricity meters
Flow meters (such as heat, water, and gas)
Industrial measurement and sensing

KM Series MCUs

	Image	Manufacturer Part Number	Description	Available Quantity	Price	View Details
		MKM35Z512VLL7	IC MCU 32BIT 512KB FLASH 100LQFP	75 - Immediate	$91.72	View Details
		MKM35Z512VLQ7	IC MCU 32BIT 512KB FLASH 144LQFP	110 - Immediate	$97.22	View Details