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AS5130

Data Sheet - A p p l i c a t i o n I n f o r m a t i o n

Figure 20. 3-Wire Angle Sensor

Application Example III: Low-power encoder

Via SSI, the AS5130 will be able to toggle between active mode and low power mode. In active mode, the current

consumption is ~15mA and in sleep mode 2mA. The fastest possible startup time from low power mode is 150µs. The

AS5130 can be periodically switched between active and low power mode, the average power consumption depends

on the duty cycle. In order to read out the correct data, the active mode time must be larger than 150µs.

Figure 21. Low Power Encoder

(EQ 8)

Example: sampling period = one measurement every 10ms.

= 2.195mA

(EQ 9)

AS5130

100n

+5V

CS

DCLK

DIO

CAO

1k

LED1

AS5130

AS5130

PROG

S

N

PWM out

PWM

CAO

micro

controller

AS5130

100n

+5V

CS

DIO

AS5130

S

N

on/off

CLK

+

+

---------------------------------------------------------------------

15mA∗150

μs 2mA∗985ms

,

+

150

μs 985ms

,

+

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