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AS5134 Datasheet(PDF) 24 Page - ams AG |
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AS5134 Datasheet(HTML) 24 Page - ams AG |
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24 / 29 page  www.austriamicrosystems.com Revision 1.6 24 - 29 AS5134 Data Sheet - A p p l i c a t i o n I n f o r m a t i o n Multiturn Counter 8-bit (+127/-128 turns). Optional: >8-bit (tbd) Automatically updated during active mode at every 360º-/0º- transition in each rotating direction. The multiturn counter can be accessed over the serial interface and is reset with a power-on-reset. It will be frozen at the last valid state in low power mode. Low power mode Non-operational. Last status is frozen in Low power mode to allow low power consumption and fast startup from low power mode to operating mode. Serial interface is active in low power mode to allow wakeup over the serial interface. PWM, incremental and BLDC outputs are invalid in low power mode, they remain at their last valid state. Current consumption in low power mode: typ. 30µA PWM output 2µs / step. 360º angle range in all modes. Minimum pos. pulse width (@0º) = 16us (8 LSB; tbd) Minimum neg. pulse width (@359º) = 16us (8 LSB; tbd) Pulse width @0º = 16µs, Pause = 736µs Pulse width @1º = 18µs, Pause = 734µs Pulse width @2º = 20µs, Pause = 732µs ……….. Pulse width @359º = 736µs, Pause = 16µs In case of an error (LOCK = Low), the pulse width is 8 µs (4 LSB), pause = 744µs for all angles. Interface hardware Incremental ABI interface: 3 pins BLDC UWV interface: 3 pins Absolute interface: 2 or 3 pins All outputs are available at the same time on separate pins Maximum speed; no missing codes 30,000 rpm Alignment tolerance +/- 0.25 mm (reference to package center) Normal operating Current consumption Typ 14mA; max 22mA Power-Up time ≤1.3 ms from cold start (no AGC), ≤4.1ms from cold start (AGC locked) <0.5ms from low power mode Serial Interface read options 360-step Angle (9-bit), 6-bit AGC, 8-bit Multiturn, ADC Lock, (tbd) Zero Position Programming in OTP Serial interface program options Incremental mode(quad ABI, step/dir) BLDC pole pairs (1,2,3,4,5,6) Zero Position Hall sensor sensitivity Serial interface write options (temporary write; will be lost with POR) Incremental mode(quad ABI, step/dir) BLDC pole pairs (1,2,3,4,5,6) Zero Position Hall sensor sensitivity Multiturn counter reset to 00 Low power mode (on/off) Table 10. Parameter and Features List Parameter AS5134 |
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