Monolithic Power Systems MPS Angular Sensor Introduction Nash






























- Slides: 30

® Monolithic Power Systems MPS Angular Sensor Introduction Nash Zeng 2018. 07 MPS Confidential The Future of Analog IC Technology ®

Angular Sensors Applications • Basic BLDC Motors • Speed-Controlled Drivers Power Tools Appliances Industrial Automation Hi-end Toys Machining Servo Motor Knobs Interface Devices • Rotary Encoders MPS Confidential Gimbals Industrial Encoders Drones Automotive Robotics • Position-Controlled Drivers The Future of Analog IC Technology ®

General Angular Sensors Comparison Optical Encoder Single Chip Magnetic Angle Sensor Resolver Generator VS. Potentiometer MPS Confidential ü Low cost ü High precision * ü High speed * ü Side-of-shaft ability * ü Tiny system profile * ü Extremely long life ü Easy adjustable * * MPS Product Advantages The Future of Analog IC Technology ®

Key Advantages of MPS Angular Sensors Monolithic Power Systems ® vs. Ø Most feasible mechanism Ø Highest sampling frequency Ø Shortest delay Ø Smallest size MPS Confidential The Future of Analog IC Technology ®

Key Advantages of MPS Angular Sensors inl Resolution (3 sigma) Response Time bit 12 14 8. 5 12 µs 96 100 22 10000 Bmin m. T 45 30 20 30 Bmax m. T 75 70 80 80 µs 20000 10000 500 400 larg mm 7. 88 6. 4 7. 8 4 length mm 6. 2 5 7. 2 4 m. A 16 15 22 8. 5 min V 3 3 4. 5 3 max V 5. 5 3. 6 min °C -40 -40 max °C 125 150 125 85 no no AS 5045 AS 5048 AS 5134 AS 5055 deg 0. 9 1. 2 2 1. 4 no no yes yes 1 12 20000 30 70 25000 7. 5 7. 4 15 4. 5 5. 5 -40 150 yes 12 bits no no 17 3 5. 5 -40 125 no yes no 8 4. 5 5. 5 -40 125 no 12 bits yes yes -40 150 no yes no Applied Field Power-Up Time Package Size Mag. Alpha Key Advantages AK 7405 Ø Side-Shaft Mounting Possible 0. 4 12 442 90 120 10000 6. 4 5 AEAT-6600 IC-MH 8 0. 5 12 50 25 125 300 5 Ø High Sampling Frequency 0. 35 12 50 25 125 300 5 1 9 21 30 50 Ø Ultra-Short Latency TLE 5012 (fast mode) MLX 90316 (fast mode) HAL 3625 MPS Confidential 5 500 5. 8 4. 8 12 200 20 70 15000 5. 8 4. 8 0. 7 9 1000 20 100 7000 5. 8 4. 8 8 12 5 5 3 0. 2 12 30. 7 50 50 1500 • Low Power Consumption 0. 2 13 220 40 40 10000 MA 300 5 1 Ø Small Package AM 4096 AM 8192 A 1334 Supply Current 2 1. 75 10. 1 9. 2 68 60 30 30 100 40000 300 10 12 6. 4 1. 5 12 3 20 150 25 3 Supply Voltage Operating Temperature Side. Shaft Mount Product Company Up to 1 MHz 8 4. 5 5. 5 -40 14 3 5. 5 3~10µs abz uvw Immun. Ext Field 16 4. 5 5. 5 -40 150 yes no no no 10 4. 5 5. 5 -40 170 yes no no no 125 125 150 no no yes yes no no no yes no no 125 yes 10 bits yes no QFN 3 mmx 3 mm 26 3 5. 5 7~12 m. A 39 4. 75 5. 25 20 10 4. 5 5. 5 14. 5 -40 -40 7 3 3. 6 -40 The Future of Analog IC Technology ®

MPS Magnetic Angular Sensors Feasible mechanism with the same device!~ ü Cylinder magnet or ring magnet ü 1 pole-pair magnet or Multi-pp magnet ü On-axis or off-axis mounting End-of-shaft MPS Confidential Side-shaft The Future of Analog IC Technology ®

Principle of Traditional Solutions What is common in competitors’ magnetic sensors? § Based on two components (X, Y) voltage measurement § Voltage is converted to digital domain § Angle is computed with complex arctan algorithm MPS Confidential The Future of Analog IC Technology ®

Principle of Traditional Solutions Limitation of competitors’ traditional solutions? § Latency § Size § Non-linearity § Current consumption § Cost vs resolution • Latency • Non-linearity MPS Confidential • Latency • MCU loading The Future of Analog IC Technology ®

Basic Principle of MPS Angular Sensors MPS unique solution of Spinaxis: Instead of using digitized amplitudes. We measure the angle by phase detection. B α Phase Detect t Up to 1 MHz refresh rate MPS Confidential α • 3~10 us latency • 8~14 -bit resolution The Future of Analog IC Technology ®

Basic Principle of MPS Angular Sensors i V MPS Confidential V B The Future of Analog IC Technology ®

Basic Principle of MPS Angular Sensors How does Spinaxis work? a a Filtered output MPS Confidential The Future of Analog IC Technology ®

Basic Principle of MPS Angular Sensors How does Spinaxis work? a COMP HALL REF COMP REF PWM MPS Confidential The Future of Analog IC Technology ®

Interface of MPS Angular Sensors MPS Confidential The Future of Analog IC Technology ®

Field Strength Detection § Two independent detection thresholds MGH/MGL § Thresholds configurable between 15~150 m. T § Output pins and register flags MPS Confidential The Future of Analog IC Technology ®

MA 732/MA 730/MA 710/MA 702 Introduction SPI & SSI 9 -14 bit absolute output PWM Output 12 -14 bit resolution ABZ Incremental Output 10 -12 bit resolution Prog. 1 -1024 pulses per turn Prog. 4 -4096 edges per turn Field Strength Detection Programmable high/low thresholds Prog. Bandwidth(MA 732) Pin-2 -Pin Compatible MPS Confidential The Future of Analog IC Technology ®

MA 7 xx for Encoder Applications Angular Sensors for Encoder Applications Features by Part Effective angle resolution Dynamic response Magnetic field range Zero setting Side-shaft compensation Adjustable direction SPI register configuration Absolute angle on SPI Absolute angle on SSI ABZ incremental ABZ resolution Adjustable Z pulse PWM output PWM resolution Magnetic field detection MPS Confidential bit m. T bit PPR bit MA 702 MA 710 MA 732 12 Fast 30 ~150 ✔ ✔ 12 12 ✔ 1~256 ✔ ✔ 12 Medium 15~150 ✔ ✔ 12 12 ✔ 1~256 ✔ ✔ 12 ✔ 14 Medium 40~150 ✔ ✔ 14 14 ✔ 1~1024 ✔ ✔ 14 ✔ 9~14 Fast 40~150 m. T ✔ ✔ 9~14 ✔ 1~1024 ✔ ✔ 14 ✔ The Future of Analog IC Technology ®

MA 1 xx/MA 3 xx for Motor Applications Angular Sensors for Motor Applications Features by Part 1 MA 102 MA 310 MA 330 bit 8 12 12 9~14 Fast Medium Fast m. T 30~150 15~150 30 ~150 Zero setting ✔ ✔ Side-shaft compensation ✔ ✔ Adjustable direction ✔ ✔ ✔ ✔ SPI register configuration ✔ ✔ ABZ incremental ✔ ✔ ✔ PPR 1~256 1 ~256 1~1024 Adjustable Z pulse ✔ ✔ ✔ UVW output ✔ ✔ UVW pp per rev. 1~8 1~8 1 ~8 Differential UVW ✔ Magnetic field monitoring ✔ ✔ ✔ ✔ Absolute angle on SPI Dynamic response Magnetic field range ABZ resolution MPS Confidential The Future of Analog IC Technology ®

MA 8 xx for Turning Knobs Angular Sensors for Turning Knobs Features by Part MA 800 MA 820 MA 850 Effective angle resolution bit 8 8 8 Magnetic field range m. T 30~150 30 ~150 Zero setting ✔ ✔ ✔ SPI register configuration ✔ ✔ ✔ Absolute angle on SPI bit 8 8 8 Absolute angle on SSI bit 8 -- -- ✔ PPR 1. . 64 ✔ bit 8 ✔ ✔ ✔ ABZ incremental ABZ resolution PWM output PWM resolution Magnetic field detection MPS Confidential The Future of Analog IC Technology ®

Application Stories Share --MA 730 for Gimbals MA 730 Sensor output with BCT trimming MPS Confidential Sensor output without BCT trimming The Future of Analog IC Technology ®

Application Stories Share --MA 730 for Side-shaft Gimbals Simulation results of magnetic field: Customer dimensions: Bmin (m. T) Bmax (m. T) k 34 90 2. 6 Mag. Alpha setting: BCT=235 MPS Confidential The Future of Analog IC Technology ®

Application Stories Share --Multi-pole Side-shaft for E-bike Radial magnet Results with 5 -pp magnet: MPS Confidential MA 7 xx The Future of Analog IC Technology ®

Application Stories Share --Multi-pole Side-shaft for E-bike Magnet: MA 7 xx Sensor position: 3 D measurement at Sensima: 24 -pp magnet MPS Confidential The Future of Analog IC Technology ®

Application Stories Share --MA 302 for Mini Motors Customer’s problem: Motor diameter is too small for 3 hall ICs. MPS Solution: MA 302 6 mm outer diameter housing 4 mm diameter magnet In addition: provide encoder information MPS Confidential The Future of Analog IC Technology ®

Application Stories Share --MA 702 for LV Servo Motor Alum housing MA 702 hall encod er 4 mm diameter magnet • MA 702 for optical encoder replacement • Lower cost, smaller size, higher reliability MPS Confidential The Future of Analog IC Technology ®

Application Stories Share --MA 850 for Turning Knobs Alum housing MA 850 encod er 4 mm diameter magnet • MA 850 for potentiometer/low-end rotate encoder replacement • Low cost, longer life, better performance, higher reliability MPS Confidential The Future of Analog IC Technology ®

Demo & Test Boards Rotary Knob Demo kit & GUI Test boards for direct embedded via SPI MPS Confidential The Future of Analog IC Technology ®

Offline Magnetic Design Tool Magnetic field evaluation tool for end-of-shaft applications MPS Confidential The Future of Analog IC Technology ®

Online Magnetic Design Tool http: //sensors. monolithicpower. com/ End-of-shaft MPS Confidential Side-shaft Orthogonal Side-shaft The Future of Analog IC Technology ®

Online Magnetic Design Tool http: //sensors. monolithicpower. com/ MPS Confidential The Future of Analog IC Technology ®

Thanks~ http: //www. monolithicpower. com/ MPS Confidential The Future of Analog IC Technology ®