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Microchip Delivers Accuracy and Energy-efficiency of Current Monitoring in High-temperature Automotive Applications
New high-side current sense amplifier offers the industry’s lowest offset for AEC-Q100 Grade 0 qualified devices, enabling a more accurate and energy efficient current measurement solution for those applications exposed to extreme temperatures

With the proliferation of automation and connectivity throughout the automotive and industrial markets, the need to accurately measure a dynamic current in the presence of high frequency noise often plagues modern vehicle and factory applications. In order to combat electrically noisy environments and address the need for higher accuracy current measurement, Microchip Technology Inc. (Nasdaq: MCHP) today introduced its high-side current sense amplifiers — featuring the industry’s lowest offset for AEC-Q100 Grade 0 qualified high-side current sense amplifier devices.

AEC-Q100 qualified, the MCP6C02 amplifier is offered in both a Grade 1 6-pin SOT-23 package and a Grade 0 8-pin 3x3 VDFN package. Delivering a maximum offset error of only 12 µV, the VDFN package offers the lowest offset voltage for any Grade 0 high-side current sense amplifier. Specified over a temperature range of -40°C to +150°C, its market-leading offset error allows the use of smaller value shunt resistors while also maintaining a high measurement resolution. This enables a more accurate and energy efficient current measurement solution for those applications exposed to extreme temperatures, like the motor within a vehicle’s water pump. In addition, the VDFN package is processed with wettable flank plating, allowing for visual inspection of the solder joints and removing the need for x-ray scanning as required for traditional DFN packages.

Microchip’s MCP6C02 and MCP6C04 devices also feature an on-chip electromagnetic interference (EMI) filter and a zero-drift architecture. The EMI filter helps provide added protection against high-frequency electrical interference, such as wireless hotspots and radio frequencies, while the self-correcting architecture brings increased accuracy to current measurement. Together these features enable developers to create higher performance solutions in a wide variety of applications, such as creating a current controlled feedback loop for a power supply or motor, monitoring and charging batteries, or monitoring current levels for safety reasons.

“The addition of high-side current sense amplifiers to Microchip’s portfolio augments our total system solution for critical functions such as motor control, power supplies and battery management,” said Bryan Liddiard, vice president of Microchip Technology’s mixed signal linear business unit. “Combined with our mixed signal solutions, microcontrollers, power management and communication offerings, Microchip enables our clients to move quickly from concept to production by utilizing a low-risk, proven supply partner.”

Development Tools

Microchip’s new ADM01104 evaluation board supports both the MCP6C02 and MCP6C04 high-side current sense amplifiers, and each device is pin, package and function compatible. To avoid subjection to high voltages and currents, the evaluation board ships pre-populated, providing proper filtering and protection of the input pins. Offering multiple reference voltage options, it enables a quick evaluation of the device for unidirectional and bidirectional modes of operation.

Pricing and Availability

The MCP6C02 6-pin SOT-23 package option is available for $1.22, while the MCP6C02 8-pin 3x3 VDFN package option is available for $1.41, each in 10,000-unit quantities. The MCP6C04 6-pin SOT-23 package is available for $0.98, also in 10,000-unit quantities.

For additional information, contact a Microchip sales representative, authorized worldwide distributor or visit Microchip’s website. To purchase products mentioned here, click to order now or contact a Microchip authorized distributor.

2021021604 / 26.02.2021 / Electronic-components / Microchip Technology Inc. /

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A corresponding ecosystem of support tools will help simplify motor control system development and accelerate time to market

Microchip Expands its mSiC™ Solutions with the 3.3 kV XIFM Plug-and-Play mSiC Gate Driver to Accelerate the Adoption of High-Voltage SiC Power Modules
The highly integrated 3.3 kV XIFM plug-and-play digital gate driver is designed to work out-of-the-box with high-voltage SiC-based power modules to simplify and speed system integration

Microchip’s Low-Cost PolarFire® SoC Discovery Kit Makes RISC-V and FPGA Design More Accessible for a Wider Range of Embedded Engineers
Cost-sensitive development platform helps student, beginner and seasoned designers work with emerging technologies

TimeProvider® 4500 Series Is the Industry’s First Grandmaster to Provide High-Speed Network Interfaces up to 25 Gbps
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Microchip Earns Certification in ISO/SAE 21434 Road Vehicle—Cybersecurity Engineering Standard from UL Solutions
Designing with certified security products can help Tier 1s and OEMs prove cybersecurity risk management compliance

The Next Evolutionary Step in Customizable Logic, Microchip Releases PIC16F13145 Family of MCUs
New Configurable Logic Block (CLB) module offers tailored hardware solutions and helps eliminate the need for external logic components

Microchip Launches 10 Multi-Channel Remote Temperature Sensors
MCP998x family represents one of the largest automotive-grade remote temperature sensor portfolios available from a single vendor

Next-Generation Family of Ethernet Switches Features Time Sensitive Networking and Scalable Port Bandwidths from 46 Gbps to 102 Gbps
Microchip’s LAN9694, LAN9696 and LAN9698 devices are integrated with High-availability Seamless Redundancy (HSR) and Parallel Redundancy Protocol (PRP) for ease of design

Microchip Launches AVR® EB Family of Microcontrollers to Reduce Noise, Vibration and System Harshness in BLDC Applications
Offers a smaller, more cost-effective solution for sophisticated waveform control with increased efficiency

Automate Installation Process with Press-Fit Terminal Power Modules for a Solder-Free Solution in High-Volume Manufacturing
Microchip’s SP1F and SP3F power modules are highly configurable in Silicon Carbide (SiC) or Silicon (Si) technology and now available with Press-Fit terminals

Microchip Unveils New Standard of Enhanced Code Security With the PIC18-Q24 Family of MCUs
Added voltage level shifting capabilities help increase flexibility and reduce system costs

To Meet And Exceed Heightened Automotive Secure Authentication Requirements, Microchip Releases Its Latest TrustAnchor Security IC
Available as a CryptoAuthentication™ or CryptoAutomotive™ Secure IC, the new TA101 device focuses on larger key sizes and enhanced cybersecurity requirements

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