AS5600 magnetic encoder: specs and pinout
Magnetic rotary position sensor chip with 12-bit angle output, analog or PWM output, and an I2C interface.
Specs
| Spec | Value | Source |
|---|---|---|
| Resolution | 12-bit | source General description |
| VDD in 5.0 V operation mode | 4.5 V to 5.5 V (VDD5V) | source System electrical characteristics |
| VDD in 3.3 V operation mode | 3.0 V to 3.6 V (VDD3V3) | source System electrical characteristics |
| Absolute maximum VDD5V | 6.1 V | source Absolute maximum ratings |
| Absolute maximum VDD3V3 | 4.0 V | source Absolute maximum ratings |
| Operating temperature | -40 °C to 125 °C | source System electrical characteristics; features |
| I2C clock (SCL) maximum | 1.0 MHz | source I2C timing characteristics (fSCLK) |
| I2C slave address | 0x36 | source I2C interface section |
| Programmable maximum angle | 18° up to 360° | source Features |
Power
| Value | Source | |
|---|---|---|
| Supply | 5.0 V mode: VDD5V 4.5 V to 5.5 V. 3.3 V mode: VDD3V3 3.0 V to 3.6 V | source System electrical characteristics (supply current) |
| Current | 6.5 mA in NOM mode (PM = 00); 3.4 mA in LPM1, 1.8 mA in LPM2, 1.5 mA in LPM3 | source System electrical characteristics (supply current) |
Chip pins
These are the pins of the chip on the module, from the chip datasheet. The module's own header may label or expose them differently. Module header labels (VCC, GND, SDA, SCL…) come from the Compoden listing, not an official module schematic.
| Pin | Function | Voltage | Notes | Source |
|---|---|---|---|---|
| VDD5V (pin 1) | Positive voltage supply in 5 V mode (requires 100 nF decoupling capacitor) | 4.5 V to 5.5 V (5 V mode); absolute maximum 6.1 V | In 3.3 V mode this pin is tied to VDD3V3 | source Pin Assignment / Pin Description table (page 5) |
| VDD3V3 (pin 2) | Positive voltage supply in 3.3 V mode (requires an external 1 uF decoupling capacitor in 5 V mode) | 3.0 V to 3.6 V (3.3 V mode); absolute maximum 4.0 V | Supply between 3.6 V and 4.5 V is outside both modes | source Pin Assignment / Pin Description table (page 5) |
| OUT (pin 3) | Analog / PWM output | Absolute maximum VDD + 0.3 V, where VDD is the voltage at the VDD5V pin (so 3.3 V logic only in 3.3 V mode) | source Pin Assignment / Pin Description table (page 5) | |
| GND (pin 4) | Ground | source Pin Assignment / Pin Description table (page 5) | ||
| PGO (pin 5) | Program option input (internal pull-up; connected to GND = Programming Option B) | Absolute maximum VDD + 0.3 V, where VDD is the voltage at the VDD5V pin (so 3.3 V logic only in 3.3 V mode) | source Pin Assignment / Pin Description table (page 5) | |
| SDA (pin 6) | I2C data (consider external pull-up) | Absolute maximum VDD + 0.3 V, where VDD is the voltage at the VDD5V pin (so 3.3 V logic only in 3.3 V mode) | source Pin Assignment / Pin Description table (page 5) | |
| SCL (pin 7) | I2C clock (consider external pull-up) | Absolute maximum VDD + 0.3 V, where VDD is the voltage at the VDD5V pin (so 3.3 V logic only in 3.3 V mode) | source Pin Assignment / Pin Description table (page 5) | |
| DIR (pin 8) | Direction polarity (GND = values increase clockwise, VDD = values increase counterclockwise) | Absolute maximum VDD + 0.3 V, where VDD is the voltage at the VDD5V pin (so 3.3 V logic only in 3.3 V mode) | source Pin Assignment / Pin Description table (page 5) |
Common mistakes
- Supplying between the two operating modes: 3.6 V to 4.5 V is outside both the 3.0 V to 3.6 V and 4.5 V to 5.5 V ranges (source)
- Exceeding 4.0 V on VDD3V3: 4.0 V is the absolute maximum (source)
- Clocking SCL above 1.0 MHz: the maximum SCL frequency is 1.0 MHz (source)
What we could not confirm
- Legacy ams-OSRAM document hosted by Infineon. It is not checked against a current Infineon revision.
- Module pins DIR, OUT and PGO are not in the pinout table.
- Angle output accuracy is not given on this page.
- Pin rows are the AS5600 chip's 8 pins (Infineon-hosted datasheet). The listing's module header shows only VCC, GND, SDA, SCL; the chip also has DIR, OUT and PGO. Which chip supply pin (VDD5V or VDD3V3) the module's VCC feeds, and whether the module has a regulator, is not from an official source, so the 'VCC 3.3V or 5V' listing claim is not repeated.
Sources
- AS5600 datasheet, legacy ams-OSRAM document v1-06 hosted by Infineon (official URL: link).
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