AS5048A High-Resolution Position Sensor
14-bit rotary position sensor with digital angle (interface) and PWM output
Features
- Contactless absolute angle position measurement
- 14-bit resolution (16384 positions/revolution)
- In system programmable zero position via SPI command
- Immune to external magnetic stray fields
Benefits
- Highest reliability and durability in harsh environments
- High precision
- Great flexibility during assembly (no external programmer needed)
- Lower material cost (no magnetic shielding needed)
Product parameters
Resolution [bit] | 14 |
---|---|
Interface | SPI |
Output | Digital angle (interface), PWM |
Max. Speed [rpm] | |
Overvoltage Protection | |
Redundant | |
Supply Voltage [V] | 3.3 or 5.0 |
Temperature Range [°C] | -40 to +150 |
Package | TSSOP-14 |
Automotive Qualified | |
Longevity Program |
General description
The AS5048A is a 14-bit rotary position sensor (previously known as encoder) for absolute angular measurement and with a PWM (=pulse width modulation) output over a full turn of 360° based on contactless magnetic sensor technology. This device fits perfectly for on-axis applications where a simple 2-pole magnet rotates above or below the sensor IC and the zero position can be programmed into the device simply with a SPI command. The absolute magnet angular position is measured with a resolution of 14 bit = 16384 positions per revolution and it is provided as a digital value on the serial interface (SPI).
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This product suits for the following applications:
- Angle sensor
- Replacement of potentiometers
- Factory and process automation
- Robotics

Tools
Title | Category | Headline | Buy |
---|---|---|---|
AS5048DemoKit | Application Board | Demo Kit for AS5048 | |
AS5048AAdapterBoard | Application Board | Adapter Board for AS5048A | |
AS5048AMotorBoard | Application Board | Motor Board for AS5048A | |
AS5xxxUniversalConnectorBoard | Accessories | Universal Connector Board for AS5xxx | |
RMH05-DK-XX | Accessories | Rotary Magnetic Holder | |
USBI&PBox | Accessories | USB I&P Box for I2C/SPI |
Technical documents
Type | Description | Language | ||
---|---|---|---|---|
Datasheet | AS5048A/B, Document version 1-11 | English | ||
Application Note | Application stepper motor control (How to...) | English | ||
Application Note | AS5048B I2C Slave Address Programming | English | ||
Application Note | AN5000 Magnet Selection Guide v1-04 | English | ||
Application Note | Tape & Reel Packing Information | English | ||
Application Note | USB Interface & Programming Box | English |
Environmental documents
Type | Description | Language | ||
---|---|---|---|---|
RoHS Certificate | RoHS Certificate_AS5048A/AS5048B | English | ||
RoHS Certificate | RoHS Certificate_AS5048A/AS5048B | English |
Notifications
Type | Description | Language | ||
---|---|---|---|---|
Product Change Notification | PCN38-2018 (AS50xx, AS51xx, AS52xx, AS54xx, AS8xxx) | English |
Other information
Type | Description | Language | ||
---|---|---|---|---|
Block Diagram | AS5048A Block Diagram | English | ||
Factsheet | 14-bit Resolution | English | ||
Factsheet | 14-位分辨率 | Chinese | ||
Image | AS5048AEvalKit Image | English | ||
Image | ASXXXX On-Axis TSSOP14 Magnetic Field Lines |