AS5147P datasheet(2/40 Pages) AMSCO

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[v1-01] 2015-May-12

AS5147P − General Description

Applications

The AS5147P has been designed to support BLDC motor

commutation for the most challenging automotive

applications (AEC-Q100 grade 0 automotive qualified) such as

electric power steering (EPS), transmission (gearbox, actuator),

pump, brake (actuator) and starter & alternator.

Block Diagram

The functional blocks of this device for reference are

shown below:

Figure 2:

AS5147P Block Diagram

Good resolution for motor & position control

14-bit core resolution

Versatile choice of the interface

Independent output interfaces: SPI, ABI, UVW, PWM

No programmer needed (via SPI command)

Zero position, configuration programmable

Supports safety challenging applications

Self-Diagnostics

Lower system costs (no shielding)

Immune to external stray field

Benefits

Features

VDD3V3

A/D

Volatile Memory

SPI

LDO

AS5147P

VDD

GND

CSn

MOSI

SCL

MISO

I/PWM

W / PWM

Analog

Front-End

UWV

ATAN

(CORDIC)

AGC

OTP

INTERPOLATOR

Hall

Sensors

PWM Decoder

Selectable

on I or W

ABI

Dynamic Angle

Error

Compensation

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