Confidential © ams AG 2015

High SpeedHigh ResolutionRotary Position SensorAS5147P

Confidential © ams AG 2015Page 2

Product segment matrixMagnetic Position Sensors

Product

Click on the part # to get the datasheet

Position measurement Motor Control

Linear Rotaryon-axis

Rotaryoff-axis

Rotaryon-axis

Rotaryoff-axis

incr. abs. incr. abs. incr. abs. incr. abs. incr. abs.

AS5304 | AS5306AS5311 | NSE5310AS5510 | AS5013

-

--

---

---

-

---

---

---

-

---

AS5040 | AS5045BAS5045 | AS5048AS5050A | AS5055AAS5047D | AS5047PAS5600AS5601

------

------

---

------

------

----

----

------

------

AS5132 | AS5134AS5115 | AS5215AS5147 | AS5247AS5147PAS5161 | AS5162AS5261 | AS5262

------

------

----

--

------

------

--

--

------

------

product portfolio new products − not applicable/available

Lin

ea

rR

ota

ry

Confidential © ams AG 2015Page 3

Internal Comparison / ImprovementsAS5147P

AS5147 AS5147P

Core Resolution [bit] 14 14

Maximum speed [rpm] 14.500 28.000

Encoder resolution [bit / deg] 11 / 0.18 12/ 0.09

Encoder pulses max. 512 (bin) max. 1024 (bin)

INL [deg] +-1 +-1

Noise [deg rms] 0.06 0.06

System propagation delay [us]Output readout rate at SPI 1.9* 1.9*

DAE @1.7/14.5k/28k rpm 0.02*/0.17* 0.02*/0.17*/0.35*

Output interfaces SPI, PWMABI, UVW

SPI, PWMABI, UVW

ISO26262 conform No SEooC according ISO26262

* DAEC™ … Dynamic Angle Error Compensation

Product Overview / Key FeaturesAS5147P

Benefits• Easy to use – Low latency & High refresh Rate• Lower system costs (no shielding)• High resolution for motor & position control• Simple replacement – reduce system cost• Fast high resolution position feedback• Provides absolute & incremental angle measurements• Supports safety challenging applications

Key features• DAEC™ Dynamic Angle Error Compensation• Immune to external stray magnetic fields• 14-bit core resolution • Encoder output: 1000 / 1024 pulses • Maximum speed up to 28.000 rpm• SPI, PWM, UVW and ABI Interfaces• SEooC according ISO26262• AEC-Q100 qualified

Applications• Electric Power Steering (EPS)• Gearbox and Brake Actuator• Starter & Alternator and Pump Motor • BLDC/PMSM motor commutation • Rotary position sensors

Confidential © ams AG 2015Page 5

AS5147P - (“SEooC”) according ISO26262Safety element out of context

ISO26262 SEooC flow:

Product developed with assumed safety goal / ASIL level

- Safety Analysis of the architecture- Sensor development in adherence to ISO26262 - User Guide: Safety Manual to achieve ASIL- Development process evidence

- PPAP- Safety Plan- Certifications

- Certification by independent certification company- Safety support

- Customer refined FMEDA - FIT Rate- Safety Manual- Pin-FMEA Document- Application Notes- Support concept phase at customer- Support integration at customer

Certified by independent ISO 26262 certification company

SEooC according ISO 26262 to support ASIL Level X

FMEDAFIT Calculation

SafetyManual

Fully qualified sensorAEC Q-100 Grade0

Sensor developed with Safety Goals

Confidential © ams AG 2015Page 6

DAEC™ - A Revolutionary solutionAS5147P - Integrated Dynamic Angle Error Compensation™(DAEC™)– patent published

Dynamic Angle Error

Hardware Compensation integrated!No Software needed!

External HW + SW compensation needed

Mag

netic

Pos

ition

Sen

sor

Sys

tem

MPS … Magnetic Position Sensor

Confidential © ams AG 2015Page 7

DAEC Dynamic Angle Error CompensationAS5147P benefits

No DAEC: Error increases with rpm!

DAEC reduces the error to almost zero!

Low Latency High Output refresh rate

No DAEC: slow refresh rate - additional error

DAEC: Correct angle at correct time!

Competition

AS5147P

Control loop

Error

High output refresh rate !

Confidential © ams AG 2015Page 8

Stray field immunity ams patented differential principle

H2

H4 Hall

0

[V] Volts

12

3

4

Vdiff

Vdi

ff 1

Vdi

ff 2

external magnetic stray field

Vdiff 1 = Vdiff 2

Note: … considering homogeneous external magnetic stray field

Confidential © ams AG 2015Page 9

AS5147P Application Example for EPSTorque measurement, hand wheel, and motor position and control

AS5147P - Motor position sensor (On-Axis) Fast digital Interfaces; SPI, ABI, UVW, and PWM Accuracy ≤ 1.0o; with 14 bits resolution Max RPM up to 28K Fast refresh rates/low latency; 1.9 µs

Torque and hand wheel Sensor unit [TAS]

EPS Motor

Motor position sensor IC controls commutation of

brushless DC motor.

Torque sensing requirements [TOS]

Hand wheel position requirements [SAS] (On-Axis or Off-Axis)

Confidential © ams AG 2015Page 10

• Commutation feedback for brushless DC motor

• Provides fast and accurate measurements

- At startup: provides phase coil information via UVW signals- At speed: provides position measurement via SPI or ABI signals

• Eliminates the need for discrete hall sensors in stator

AS5147P Enables Efficient Motor CommutationBrushless DC (BLDC) Motor - preferred choice for EPS

Confidential © ams AG 2015Page 11

AS5147P Technical AdvantagesAdvanced magnetic position sensors in Electronic Power Steering (EPS) applications

Superior durability through contactless “system-on-chip” solution No wear High reliability Insensitive to humidity, dust, dirt, etc.

Lower Systems Cost Small surface mount Wide mechanical tolerances reduce manufacturing costs End-of-Line Sensor Programming for lower production costs

High Accuracy Rotary position error accuracy of < ±1.0o

Confidential © ams AG 2015Page 12

AS5147P Technical Advantages (Cont.)Advanced magnetic position sensors in Electronic Power Steering (EPS) applications

DAEC Low latency High refresh rate

Increased Functional safety via on-sensor diagnostics Enabler for safety critical applications (ISO26262 safety standard)

Confidential © ams AG 2015Page 13

Competitive Product PositioningAS5147P

Angular Position Sensor

AS5147P

Competitive ICs

Provides ultra-low latency, very fast output refresh rates, stray field immunity, and high accuracy performance, while reducing system costs

and enabling improved ISO 26262 system safety compliance.

Provides ultra-low latency, fast output refresh rates, stray field immunity, and high accuracy performance, while

enabling reduced system costs.

AS5147P vs Competitive ICs AS5147P vs Discrete Sensors

Angular Position Sensor

AS5147P

Discrete Sensors

Confidential © ams AG 2015Page 14

Competitive Positioning against Competitive IC SolutionsAS5147P

The AS5147P rotary position sensor IC provides ultra-low latency, superfast output refresh rates and high accuracy performance at reduced system costs.

Angular Position Sensor

AS5147P

Competitive ICs

Unlike competitive rotary position sensors ICs, the AS5417P. Is immune to stray magnetic fields for improved performance and lower

system costs (no shielding required) Has ultra-low intrinsic propagation delay and noise for better accuracy

performance Provides an extremely fast output refresh rate of just 1.9usecs Supports very high speed rotational shaft applications Provides sub +/-1.0o angle measurement accuracy over temperature Requires a smaller target magnet for lower system costs Is packaged in a low profile (1.0mm nom) height TSSOP-14. Provides robust customer configurability, including zero-position location,

for end-of-line programming

Confidential © ams AG 2015Page 15

Competitive Positioning Against Discrete SolutionsAS5147P

Provides ultra-low latency, stray field immunity, and high accuracy performance, while reducing system costs and enabling improved ISO 26262 system safety compliance.

Unlike discrete motor commutation solutions, the AS5147P. Provides high speed motor position information and motor commutation

feedback in a single device. Enables higher levels of ISO 26262 system safety compliance. Has lower system costs with elimination of discrete Hall switches Is immune to stray magnetic fields for improved performance and lower

system costs (no shielding required) Is singularly packaged in a low profile (1.0mm nom) height TSSOP-14.

Angular Position Sensor

AS5147P

Discrete Solutions

Confidential © ams AG 2015Page 16

• AS5147P-TS_EK_ABSAP#: 990600830

• AS5147P-TS-EK-MBSAP# 990600xxx

• USB I&P BOXSAP# 990600795

• SD4Y-EK-XX-PBSAP# 990600763

Adapter Board AS5147P Motor Board USB I&P Box SD4Y Programmer

Support ToolsAS5147P

Confidential © ams AG 2015Page 17

DAEC™ Stray field immunity Excellent price-performance ratio Immunity to harsh environments SEooC according to ISO26262 Ease of Use

Videos:

AS5147P Value PropositionSummary

Confidential © ams AG 2015

Thank you!

Please visit our website www.ams.com/Magnetic-Position-Sensors