ON Semiconductor’s energy-efficient solutions empower robot innovation and help upgrade industrial automation

Industrial automation simply refers to the shift from human manufacturing to robotic manufacturing, involving various technologies such as cyber-physical systems (CPS), Internet of Things (IoT)/industrial Internet of Things (IIoT), Cloud Computing and artificial intelligence (AI). , It can realize economic growth and maximize profits, improve production efficiency, and avoid hidden dangers of manpower when performing certain tasks. ON semiconductor provides comprehensive, energy-efficient and innovative semiconductor solutions for industrial automation. Among them, the construction block diagram of the robotic semiconductor solution is shown in Figure 1.

Industrial automation simply refers to the shift from human manufacturing to robotic manufacturing, involving various technologies such as cyber-physical systems (CPS), Internet of Things (IoT)/industrial Internet of Things (IIoT), Cloud Computing and artificial intelligence (AI). , It can realize economic growth and maximize profits, improve production efficiency, and avoid hidden dangers of manpower when performing certain tasks. ON Semiconductor provides comprehensive, energy-efficient and innovative semiconductor solutions for industrial automation. Among them, the construction block diagram of the robotic semiconductor solution is shown in Figure 1.

ON Semiconductor’s energy-efficient solutions empower robot innovation and help upgrade industrial automation
Figure 1: Block diagram of industrial automation-robotic semiconductor solution construction

motor control

Designers can use ON Semiconductor’s brushless DC motor (BLDC) controllers to achieve BLDC motor control, such as high-performance second-generation single-motor controllers MC33035, NCV33035 and MC33033, or MC33039 for speed closed-loop control. For supporting power devices, ON Semiconductor offers the Power Trench N-channel MOSFET series, with avalanche breakdown voltage ranging from 40 V to 150 V or even higher, depending on the application.

A dedicated inverter network is used to drive the BLDC phase windings of the universal arm brake and end effector. This inverter system contains Power Trench power devices with a withstand voltage of up to 150 V. The following table lists some members of ON Semiconductor’s Trench series of discrete devices, as well as recommended three-phase gate (pre) drivers:

ON Semiconductor’s energy-efficient solutions empower robot innovation and help upgrade industrial automation

In order to feed transient large currents and large voltages to low-voltage microprocessors that are more sensitive to noise, digital isolators may be required; at the same time, depending on the power supply architecture, isolated driver ICs may also be required.

The functional part of the inverter and higher power application scenarios can be implemented using intelligent power modules (IPM), such as ON Semiconductor’s NFVA35065L32. This AEC-Q and AQG324 certified 50 A automotive-grade high-voltage module integrates 650V field-stop trench IGBT devices, which can withstand higher induced voltage spikes. NFVA35065L32 also integrates a wealth of protection functions such as over-current shutdown, under-voltage lockout (UVLO), over-temperature, over-temperature monitoring and fault telemetry functions, which can meet all your requirements for driving today’s three-phase BLDC motor applications, and is stable, reliable and excellent The high reliability. NFVA33065/34065L32 are respectively 650 V 30 A / 40A IPM. NFVA225 / 235 / 25012NP2TC is 1200V 25A/35A/50A IPM.

In the higher power range, ON Semiconductor has introduced 1200 V 25 A, 35 A and 50 A PIM modules, providing converter-inverter-brake (CIB) and converter-inverter (CI) Architecture; and 650V 50A PIM module, providing converter-inverter-interleaved PFC (CIP) architecture, which is ideal for industrial automation-robot applications. In the future, 1200 V and 650 V products ranging from 25 A to 200 A will be launched, including the Compact and QLP-74 series, to achieve full coverage of the power spectrum to meet various power requirements. The following table lists the TMPIM modules that ON Semiconductor has launched.

Device

Rated value

Architecture

NXH25C120L2C2SG

1200 V 25A

Converter-Inverter-Brake

NXH35C120L2C2ESG/SG/S1G

1200 V 35A

Converter-Inverter-Brake

NXH50C120L2C2ESG/S1G

1200 V 50A

Converter-Inverter-Brake

NXH50M65L4C2SG/ESG

650 V 50A

Converter-Inverter-PFC

For higher voltage applications, the APM17M series of smart power inverters are required, such as NXV10H250XT1 (100 V, Idmax = 250 A, 1 mΩ) and NXV10H350XT1 (100 V, Idmax = 310 A, 1 mΩ). These power inverter units can be operated in three-phase (3 APM17M) or six-phase (6 APM17M).

The package design of this series has low parasitic inductance (machine vision

One of the key elements to achieve full automation is that the machine can perceive the surrounding environment: the machine can observe and recognize nearby objects, and distinguish and discern the next action, thereby maintaining safety and avoiding conflict. ON Semiconductor is one of the leaders in industrial machine vision. It is committed to empowering machines to surpass human vision with a full range of imaging solutions and leading technologies, and to promote innovation in industrial automation.

In the solution shown in the figure below, the 1/4-inch, 1 million-pixel AR0144 CMOS image sensor adopts the best third-generation global shutter technology, which is extremely suitable for machine vision applications. The NCP163, which uses ultra-low noise and ripple, provides power to the AR0144, allowing the AR0144 to get clear images even in low light.

The NCP3170 synchronous rectifier Buck provides main power output for point-of-load (POL) power supply. The step-down regulator has an output capacity of 3.3V/3A, which can provide sufficient power for other downstream devices of ON Semiconductor. The NCP3170 also has Some key features such as thermal shutdown and output short circuit. Electronic fuses (e-Fuses) can also be used on DC BUS to suppress voltage/current surges and solve the timing problems of multiple power supplies.

ON Semiconductor’s energy-efficient solutions empower robot innovation and help upgrade industrial automation
Figure 2: Industrial automation-machine vision semiconductor block of robots

Lidar

For low-light and distance-sensitive detection and measurement applications, use single-photon-sensitive high-performance solid-state sensors or silicon photomultiplier (SiPM)/single-photon avalanche diodes (SPAD) and Microcell arrays, and deploy LiDAR to detect light And ranging, can generate a digital 3D image of the desired target. Due to the high gain, high bandwidth and high sensitivity of the photomultiplier, more accurate images can be generated. ARRAYRDM-0116A10-DFN, a member of the R series SiPM sensor series, is suitable for 905/940 nm LiDAR applications. This 1×16 pixel array format and unique fast output, at the same time, the sensitivity of 905 nm wavelength is higher than 100 kA/W , These excellent features provide a feasible solution for factory automation scanning.

The main power supply consists of several switching regulators, converters and LDOs, which provide suitable working voltages for photomultiplier arrays, laser diodes, gallium nitride (GaN) drivers, analog front-end bias circuits, and time-to-digital converters. In order to provide -24V or -45V negative voltage to the Microcell array, you can use the NCV898031 non-synchronous (SEPIC) boost controller. The NCV898031 integrates a MOSFET driver to drive the FDMC86116LZ 100V 7.5A 103mΩ Rdson MOS. The boost rectifier part uses ultra-fast recovery Automotive grade diode SURA8120T3G (1A 150V Trr
NCV887102D1R2G automotive grade boost IC can be used to drive FDMC86116LZ MOSFET, which can provide 80 V power to the laser diode. The NCV890100MWTXG buck regulator has an internal integrated switching MOSFET, suitable for outputting 3.7 V and 5.5 V power supplies. This 2 MHz switching frequency power supply can handle input voltages up to 36 V and is suitable for small size applications. It requires 3.7 V or 5.5 Ideal for applications with V output voltage.

NCP59300 is a low noise and low ripple linear regulator with 3A current output. NCV8114ASN250T1G is a 300 mA LDO with high PSRR and low quiescent current. NCV8187AMT120TAG can provide 1.2A output. These LDOs provide power for the FPGA, NC7WZ17P6X clock buffer, NCV809RTRG voltage monitor/microprocessor, and clock oscillator in the time-to-digital converter. At the same time, these LDOs are all output from the DC-DC step-down converter of the NCV890100MWTXG controller. powered by.

voice control

Artificial intelligence (AI) voice interaction applications are becoming more and more popular, and further penetration in the industrial field. The LC823455 single chip (SoC) that can be used with the host AI system is a 32-bit high-resolution audio digital signal processing (DSP) core with multiple proprietary DSP accelerators (codecs) for audio noise reduction , Beamforming and echo cancellation. It is a multi-core architecture (2 ARM M3+1 DSP Core), which can provide powerful processing capabilities when connected with large-scale programs.

NCP2823 is a class D audio amplifier used to drive 4 Ω to 8 Ω output speakers. The power supply for this audio amplifier is NCP3170 DC-DC to provide 5 V power. Connected to the 5 V POL power supply is a series of high-noise suppression linear regulators (LDO)-NCP170. Its ultra-low quiescent current consumption is ideal for battery-powered applications. It can be realized by the RSL10 platform that supports Bluetooth 5. Interconnection between devices.

Wireless connection

QCS-AX-D12/QCS-AX2-D12 is a dual-band dual-concurrent WiFi 6/6E chip M that supports 802.11ax/ac/n/a/g/b standards. It is the industry’s first 8-space stream that supports 8×8 And multi-user multiple input multiple output (MU-MIMO) chip. Its 8 x 8 + 4 x 4 dual-band concurrency (DBDC) and OFDMA (orthogonal frequency division multiple access) can make the best and efficient use of bandwidth. QCS-AX-D12/QCS-AX2-D12 access points support up to 10 Gbps and eight spatial streams (Eight Simultaneous Spatial Streams).

Isolated Power

In the power supply part, the full-bridge rectifier GBPC3506 is used to rectify the AC to DC voltage, and the 3-channel interleaved CCM PFC IC FAN9673Q can provide the power supply with a high power factor of PF=1. The PFC power MOS recommends the use of 600 V30 A SuperFET III NTPF082N65S3F , 650V30A SiC diode FFSP3065A is a PFC rectifier diode. The zero current recovery characteristic of SiC diode achieves higher efficiency and better EMC characteristics and lower temperature rise.

In 500W-5KW applications, the use of full-bridge LLC and secondary synchronous rectification output or full-bridge rectification output can achieve efficiency higher than 95% while providing safety isolation. NCP(V)4390 is an LLC controller that uses adaptive dead time (to maintain the best body diode conduction time) control, and integrates a secondary synchronous rectification drive signal to achieve the best energy efficiency performance and the most simplified peripheral Device. NCP(V)4390 primary side MOS is zero voltage switching (ZVS), secondary side MOS/diode is zero current switching (ZCS) to minimize power consumption. The secondary can provide a variety of winding configurations to adapt to various required bus voltages. For example, 48 V bus voltage is used for the integrated power module of BLDC motors, and 12 V is used for image sensors, lidar systems, and multiphase converters. Smart power stage (SPS), radio board/antenna and POL power supply for voice and audio processing.

Multiphase DC-DC converter

Need to use multi-phase controller such as NCP81233, integrated MOSFET driver NCP5339, depending on the circuit needs to use e-Fuse or load switch IC to provide reverse current protection, input overvoltage clamp or overcurrent protection.

For applications with higher power requirements, the phase multiplier NCP81162 can be used. Two-phase or three-phase converters can be used to power multi-core system single-chip platforms, such as NCV81277 or NCV81275A multi-phase controllers, with MOSFET driver ICs such as NCV3025833 or NCV303150.

The 5 V DC power supply for the switching regulator is a 10 A single-phase buck converter. The converter is composed of NCV881930 control IC, driving two separate 40V78 AN channel MOSC NVMFS5C460NL. The remaining low-power power supply with an output voltage range of 0.75 V to 3.3 V is provided by the NCV6323 internal compensation regulator (integrated MOSFET and MOSFET driver).

Summarize

Robot is one of the key technologies to realize industrial automation. ON Semiconductor provides comprehensive energy-efficient semiconductor solutions for robot building blocks such as motor control, machine vision, lidar, voice control, wireless connection, power supply, etc., to support and promote innovation.

The Links:   LQ64D342 6RI100G-120

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