To cope with the challenge of global climate change and realize the goal of 
carbon emission reduction and energy efficiency improvement, the application of 
renewable energy and new energy technologies has been rapidly developed in 
industrial and automotive fields, which also greatly extends the processing and 
transmission scenarios of analog chips, especially in the application field of 
NEVs.

Since 2016, NOVOSENSE Microelectronics (hereinafter referred to as NOVOSENSE) 
has started to plan the automotive-qualified products. The current three 
product directions cover signal sensing, system interconnection and power drive 
respectively, with products meeting the AEC-Q100 reliability test standards, 
providing comprehensive automotive electronic solutions.

Signal Sensing: To meet the requirements of full combustion and emission 
reduction for complying with the upgrading of environmental regulations and 
emissions standards, it is often necessary to install temperature manifold 
absolute pressure (TMAP) sensor on the intake manifold of the engine of 
automobile/motorcycle to quickly and accurately control the air-fuel ratio and 
achieve a balance between power performance, fuel economy and emissions. 
NOVOSENSE NSP163x series is a type of MEMS absolute pressure wafer based on the 
piezoresistive effect of high-sensitivity monocrystalline silicon and is 
designed with advanced silicon-silicon bonding CSOI MEMS micromachining 
technology, the manufacturing platform of which has been certified by 
IAFTF16949, and all wafers (100%) have passed AOI and CP test. NOVOSENSE NSPAS3 
is an automotive integrated absolute pressure sensor based on piezoresistive 
effect of silicon and using advanced MEMS micromachining technology. The 
product adopts automotive-qualified signal conditioning chips to calibrate and 
compensate the output of the MEMS die, which can convert pressure signals from 
10kPa to 400kPa into analog output signals with a customized output range (0 to 
5V). NSP163X series and NSPAS3 series are mainly used for automotive intake 
manifold pressure detection and motorcycle intake path pressure detection, as 
well as HEV/EV vacuum boost system (VBS) and battery pack pressure detection. 
NOVOSENSE NSPAS1 is also a calibrated absolute pressure sensor for gasoline 
vehicle intake pressure, NEV vacuum boost and motorcycle TMAP market, which 
meets the AEC-Q100 reliability standard.

System Interconnection: The signal conversion between strong and weak circuits 
in NEVs has significantly increased the demand for digital transmission 
isolation chips. Due to the requirements of safety regulations, common ground 
and performance in NEVs, digital isolation chips are required for the motor, 
power battery and electric control system (such as OBC, BMS, inverter, electric 
air compressor, PTC driver and other high voltage modules). The NOVOSENSE 
NSi82x series is a highly reliable multi-channel digital isolator that has been 
certified for UL1577 and VDE enhanced safety and supports a variety of 
insulation and withstand voltages (3.75kVrms, 5kVrms). The wide supply voltage 
range of this series components enables direct connection to most digital 
interfaces for easy level switching. NOVOSENSE NCA1021 universal 
automotive-qualified LIN transceiver chip can be widely used in bus interface 
design of automotive electronic subsystem, such as electric door lock, electric 
window, electric seat, electric rearview, glass wiper and seat heater modules, 
with the advantages of small interference between lines, less wiring harness, 
long transmission distance, and lower cost.

In high voltage current detection for automotive applications, there are 
usually two schemes, namely hall based current sensing and shunt based current 
sensing. The former has natural isolation characteristics, while the latter 
requires additional isolated amplifiers or modulators for electrical isolation. 
In comparison, the sampling scheme based on shunt plus isolated 
amplifier/modulator has higher accuracy and lower nonlinearity, and the offset 
voltage and temperature drift are lower, and it is not easy to be interfered by 
external magnetic field, which is preferred by engineers. NOVOSENSE NSi13xx 
series chip has the common-mode transient immunity (CMTI) of 150kV/(MU)s, with 
good accuracy and compact package design, which is suitable for motor drive, 
photovoltaic inverter, uninterrupted power supply and other industrial 
applications, as well as high voltage side current and voltage sampling in 
onboard charger (OBC), traction inverter and other automotive applications.

Power Drive: In 2022, NOVOSENSE has launched a series of automotive-qualified 
chips. NOVOSENSE automotive-qualified LDO NSR31/33/35 series chips are 
specially designed for the application scenarios where automotive batteries 
power the system. With ultra-low static power consumption of 5uA and low 
drop-out voltage, they are suitable for the automotive applications with high 
standby power consumption requirements, e.g., to power MCU and CAN/LIN 
transceivers in systems to save power and prolong battery life. The series 
chips can be used in such application scenarios as IVI and autonomous driving, 
body electronics and lighting, inverter and motor control, as well as OBC/DCDC 
and BMS. Designed for driving high-reliability load applications, the NSE11409 
series intelligent low-side switches can be widely used to drive load elements 
such as relays, actuator valves, lighting and heating resistance wires in 
automotive and industrial scenarios.

With the rise of the third-generation semiconductor SiC MOSFET, systems with 
higher voltage, higher frequency and higher power density are becoming new 
development trends. However, in the applications with high voltage and high 
frequency, the Power FET in the system is exposed to the risk of damage due to 
high dv/dt interference. The high-reliability single-channel isolated gate 
driver NSi6601M with the miller clamp protection can solve this problem well. 
It can be widely applied to ESS, OBC/DCDC and compressor/inverter and other 
applications. In addition, the NOVOSENSE single-channel smart isolated gate 
driver NSi661/51 with 10A driving current is also suitable for driving SiC, 
IGBT, MOSFET and other power FET, which can be applied to such applications as 
NEV traction inverter, generator and boost DCDC.

About NOVOSENSE

NOVOSENSE Microelectronics (NOVOSENSE for short, stock code in STAR Market: 
688052) is a high-performance and high-reliability analog and mixed signal chip 
design company. Since its establishment in 2013, the company has focused on 
signal sensing, system interconnection and power drive, providing rich 
semiconductor products and solutions such as sensor, signal chain, isolation, 
interface, power, drive and power management, which are widely used in 
automotive, industrial, information and communication and consumer electronics 
fields.

With the mission of "Sense and Drive the Future, Build a Connected World with 
Semiconductors", NOVOSENSE is committed to providing chip level solutions for 
the connection between the digital and the real world.

For more product information and lates updates of NOVOSENSE, please visit its 
official website at www.novosns.com or email to: sales@novosns.com

For media inquiry, please email to: pr@novosns.com.

Source: Novosense

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