There is a fundamental change in mobility happening right now, with EVs, e-bikes, and e-scooters supplanting petroleum-or-muscle-based locomotion. However, harnessing electricity requires well-integrated, efficient, and durable microelectronic components. In this article, learn more about the latest analog solutions from Microchip, including amplifiers, temp sensors, power management devices, data converters, and more.
Amplifiers and Linear
How can I achieve a low noise, accurate measurement of a small signal
MCP6V96/6U/7/9
The MCP6V96/6U/7/9 family of operational amplifiers provides input offset voltage correction for very low offset and offset drift.
- Zero-Drift Architecture
- Gain bandwidth of 10 MHz
- Unity gain stable and no 1/f noise
- Maximum offset of only 25uV
- Maximum offset drift of 150 nV/C
- Enhanced EMI rejection
- Single, dual and quad channel offering
- Small packaging
- SC70, SOT-23, 2x3 TDFN, MSOP, TSSOP
Market/Application
- Portable Instrumentation
- Sensor Conditioning
- Temperature Measurement
- DC Offset Correction
- Medical Instrumentation
How can I accomplish cost effective signal conditioning without sacrificing performance?
MCP6477/9
The MCP6477/9 family of operational amplifiers provides 3MHz Gain BW with EMI Filtering
- Gain Bandwidth Product: 3 MHz (typical)
- Input Offset Voltage: 1.6 mV (maximum)
- Supply Voltage: 1.8V to 5.5V
- Supply Current: 140 µA (typical)
- Input Bias Current: 1 pA (typical)
- EMIRR at 1.8 GHz: 90 dB (typical)
- Phase Margin: 65° (typical)
- Rail-to-Rail Input/Output
- Temperature Range: -40°C to +125°C
- Duals available in SOIC and MSOP packages
- Quads available in SOIC and TSSOP packages
Market/Application:
- Smoke Detectors
- Sensor Conditioning
- Automotive
- Battey-Powered Systems
- Battery-Current Monitoring
Temperature Sensors
How can I monitor multiple temperatures remotely at 1.8V
EMC1813/14
The EMC1813/14 is a 3 or 4 Channel 1.8V temperature sensor with 1C accuracy, rate of change, alert, therm, beta comp, REC and I2C.
- 1.8V Logic Levels, Compatible with EIA/JEDEC8-7 Standard
- Rate of Temperature Change Calculation w/ Preemptive Alerts
- ±1°C Max Accuracy, 25°C to 125°C Ta, 0°C to 127°C Td
- ±1.5°C Max Accuracy, -40°C to 125°C Ta, -40°C to 127°C Td
- 0.125 Resolution
- Automatic Beta Compensation w/ BJT/Transistor Model Support
- SMBUs / I2C Compatible Interrupt
- Operating Voltage: 1.62V to 2.75V
- Available in 10-Lead 2.5x2.0 mm VDFN, MSOP-10
Market/Application
- Temperature Sensitive Storage
- Portable Electronics
- IOT for Low System Voltage
- Handheld Gaming
- Industrial, Computing, Medical, and Embedded Applications
Power Management: Voltage Reference
Do You Need a Low Drift, Low-Cost Voltage Reference for Automotive?
MCP1502
The MCP1502 is an automotive qualified low-drift, low-cost voltage reference device with 7ppm, 0.1% initial accuracy
- High initial accuracy: 0.1%
- Temperature coefficient: 7 ppm/°C max
- Line regulation: 50 ppm/V max
- Load regulation: 40-70 ppm/A max
- 8 voltage options: 1.024V, 1.25V, 1.8V, 2.048V, 2.5V, 3V, 3.3V, 4.096V
- Typ operating current: 140 µA
- AEC-Q100 qualified (automotive qualification)
- Extended temperature range: -40°C to +125°C
- Package: 6L SOT-23
Market/Application
- Precision data acquisition systems
- Sensor Conditioning
- Electric Vehicle Battery Management Systems
- Medical Equipment
- Industrial Controls
- Portable instrumentation
Data Converters
Need More Precision in Your ADC but Need to Reduce Board Space?
MCP3561R/2R/4R/5R: 24-bit ADC
MCP3461R/2R/4R/5R: 16-bit ADC
24-bit and 16-bit, 153.6kSPS 2/4/8 Channel ADC with Integrated Vref
MCP 3x6xR Total System Solution:
Market/Application:
- Resistive Sensor Transducers and Transmitters:
- Pressure, Strain, Flow and Force Measurement
- Factory Automation and Process Controls
- Portable Instrumentation
- Temperature Measurements
- Vibration Analysis
- Medical Diagnostics
- IOT Applications
E-Scooter/E-Motorcycle Reference Design
Status:
- Targeting 6kW motors
- Hall/FOC control algorithm planned
- (ZS/MT TBD)
E-Kick Scooter Motor Control Reference Design
- 250W-350W design with Hall/FOC
- User’s Guide with schematics and BOM
- Firmware source code and Altium design file
- Video of retrofitted Xiaomi M365 scooter
- Plans to scale to 500W/1.2kW
- Can be used for low power E-Bikes
E-Bicycle Reference Design
Status:
Hardware:
- 1st Prototype boards in assembly
- Designed to support up to 3kW motors
- Still working on hardware validation
- Software development to begin November
Software:
- Hall/FOC algorithm control planned
- 3 Modes of Operation: Manual, Pedal Assist and Electric Motor
Demo:
- Selecting e-bikes to purchase for conversion
- LCD control panel design in discussion
Featured Parts:
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