ams AS5510 10-bit Linear Incremental Position Sensor nwere ntuziaka onye ọrụ mmepụta akụkụ dijitalụ.

AS5510 bụ ihe mmetụta Ụlọ Nzukọ linear nwere mkpebi 10 bit yana interface I²C. Ọ nwere ike tụọ ọnọdụ mmegharị mpụta nke magnetik 2-pole dị mfe. A na-egosi nhazi nke a na-ahụkarị n'okpuru ebe a (Fig 1).
Dabere na magnet size, a mpụta ọrịa strok nke 0.5 ~ 2mm nwere ike tụrụ na ikuku gaps gburugburu 1.0mm. Iji chekwaa ike, AS5510 nwere ike gbanwee gaa na steeti mgbada ọkụ mgbe ejighị ya.
Foto 1:
Ihe mmetụta ọnọdụ Linear AS5510 + Igwe Ọdụdọ

Ndepụta ọdịnaya

Foto 2:
Ndepụta ọdịnaya

Aha	Nkọwa
AS5510-WLCSP-AB	Ihe nkwụnye ọkụ nwere AS5510 na ya
AS5000-MA4x2H-1	Axial magnet 4x2x1mm

Nkọwa osisi

Ihe nkwụnye ihe nkwụnye AS5510 bụ sekit dị mfe na-enye ohere ịnwale na nyochaa AS5510 linear encoder ngwa ngwa na-enweghị iwu ihe nkwụnye ule ma ọ bụ PCB.
A ga-etinyerịrị bọọdụ nkwụnye ahụ na microcontroller site na bọs I²C, wee weta ya na vol.tage nke 2.5V ~ 3.6V. A na-edobe magnetik 2 dị mfe n'elu ihe ngbanwe.

Foto 2:
AS5510 nkwụnye ihe nkwụnye ọkụ na akụkụ

(A) (A) I2C na njikọ ọkọnọ ike
(B) Onye na-ahọpụta adreesị I2C

Mepee: 56h (ndabere)

Emechiri: 57h

Pinout

AS5510 dị na ngwugwu 6-pin Chip Scale nwere oghere bọọlụ nke 400µm.
Foto 3:
Nhazi ntụtụ nke AS5510 (N'elu View)

Tebụl 1:
Nkọwa Pin

Pin AB bọọdụ	Pin AS5510	Symbo	Ụdị	Nkọwa
J1: nkwo 3	A1	VSS	S	pin na-adịghị mma, ala analọgụ na dijitalụ.

JP1: pin2	A2	ADR	DI	I²C ntụtụ nhọrọ adreesị. Wetuo ala na ndabara (56h). Mechie JP1 maka (h57).
J1: nkwo 4	A3	VDD	S	Ntụtụ ọkọnọ dị mma, 2.5V ~ 3.6V
J1: nkwo 2	B1	SDA	DI/DO_OD	I²C data I/O, ike ịnya ụgbọ ala 20mA
J1: nkwo 1	B2	SCL	DI	elekere I²C
nc	B3	Nwalee	DIO	Nnwale ntụtụ, ejikọrọ na VSS

DO_OD	… mmepụta dijitalụ na-emeghe igbapu
DI	… ntinye dijitalụ
DIO	… ntinye/ mmepụta dijitalụ
S	… pin ọkọnọ

Ịkwanye osisi nkwụnye AS5510

Enwere ike idozi AS5510-AB na sistemu igwe dị adị site na oghere mgbago anọ ya. Enwere ike iji magnetik 2 dị mfe etinyere n'elu ma ọ bụ n'okpuru IC.
Foto 4:
AS5510 nkwụnye ihe nkwụnye ọkụ na akụkụ

Njem kacha kehoraizin amplitude na-adabere n'ụdị magnet na nha na ike magnetik (ihe magnet na airgap).
Iji tụọ a n'ibu ije na a linear nzaghachi, magnetik field udi na a ofu airgap ga-adị ka na Figure 5:.
Ogologo oke ahịrị nke oghere ndọta dị n'etiti mkpanaka North na South na-ekpebi oke njem magnet. Opekempe (-Bmax) na kacha (+ Bmax) ụkpụrụ ndọta nke usoro ahịrị ga-adị ala ma ọ bụ ha nhata na otu n'ime mmetụta anọ dị na AS5510 (debanye aha 0Bh): Sensitivity = ± 50mT, ± 25mT, ± 18.5mT , ± 12.5mT Ndebanye aha mmepụta 10-bit D[9..0] OUTPUT = Ubi (mT) * (511/ Sensitivity) + 511.

Nke a bụ ezigbo ikpe: akara ahịrị nke magnet bụ ± 25mT, nke dabara na ntọala ± 25mT sensitivity nke AS5510. Mkpebi nke nchụpụ vs. uru mmepụta kacha mma.
Oke. Ogologo njem TDmax = ± 1mm (Xmax = 1mm)
Mmetụta uche = ± 25mT (Deba aha 0Bh ← 01h)
Bmax = 25mT
→ X = -1mm (= -Xmax) Ubi(mT) = -25mT UTPUT = 0
→X = 0mm Ubi (mT) = 0mT Mpụta = 511
→ X = +1mm (= +Xmax)
Ubi (mT) = +25mT mmepụta = 1023
OUTPUT dị ike karịa ±1mm: DELTA = 1023 – 0 = 1023 LSB
Mkpebi = TDmax / DELTA = 2mm / 1024 = 1.95µm/LSB
Exampnke 2:
N'iji otu ntọala ahụ na AS5510, usoro ntanetị nke magnet n'elu otu ntụgharị nke ± 1mm bụ ugbu a ± 20mT kama ± 25mT n'ihi ikuku ikuku dị elu ma ọ bụ magnet na-esighị ike. N'okwu ahụ mkpebi nke mbugharị vs. uru mmepụta dị ala. Oke. Ogologo njem TDmax = ± 1mm (Xmax = 1mm): Mmetụta na-agbanweghị agbanwe = ± 25mT (Deba aha 0Bh ← 01h): agbanwebeghị
Bmax = 20mT
→ X = -1mm (= -Xmax)
Ubi (mT) = -20mT mmepụta = 102
→ X = 0mm Ubi (mT) = 0mT mmepụta = 511
→ X = +1mm (= +Xmax)
Ubi (mT) = + 20mT UTPUT = 920;
OUTPUT dị ike karịa ±1mm: DELTA = 920 – 102 = 818 LSB
Mkpebi = TDmax / DELTA = 2mm / 818 = 2.44µm/LSB
Iji debe mkpebi kachasị mma nke usoro ahụ, a na-atụ aro ka ịmegharị uche dị ka Bmax nke magnet, na Bmax < Sensitivity iji zere saturation nke uru mmepụta.
Ọ bụrụ na ejiri ihe njide magnet, a ga-eji ihe na-abụghị ferromagnetic mee ya ka o wee dobe ike ndọta kachasị na oke linearity. Ihe dị ka ọla, ọla kọpa, aluminium, igwe anaghị agba nchara bụ nhọrọ kacha mma iji mee akụkụ a.

Jikọọ AS5510-AB

Naanị waya abụọ (I²C) ka achọrọ maka nkwukọrịta ya na onye nnabata MCU. A na-achọ ndị na-emegide Pull-up na ahịrị SCL na SDA. Uru ya dabere na ogologo wires, yana ọnụọgụ ndị ohu n'otu ahịrị I²C.
The ike ọkọnọ na-enyefe n'etiti 2.7V ~ 3.6V jikọọ na nkwụnye osisi na sere-elu resistors.
Enwere ike ijikọ ihe nkwụnye AS5510 nke abụọ (nhọrọ) n'otu ahịrị ahụ. N'ọnọdụ ahụ, a ga-agbanwe adreesị I²C site na iji waya mechie JP1.

Software example

Mgbe emechara sistemụ ahụ ike, a ga-emerịrị igbu oge>1.5ms tupu I²C nke mbụ
Jiri AS5510 gụọ/dee iwu.
Mmalite ka emechara ike bụ nhọrọ. Ọ nwere:
- Nhazi uche (debanye aha 0Bh)

Magnet polarity (Deba aha 02h bit 1)

Ụdị nwayọọ ma ọ bụ ngwa ngwa (Deba aha 02h bit 3)
Ọnọdụ mgbada (Deba aha 02h bit 0)

Ịgụ uru ndọta na-aga n'ihu. Koodu isi mmalite na-agụ uru 10-bit magnetik, wee tụgharịa gaa na ike ndọta na mT (millitesla).
ExampLe: A haziri mmetụta uche na oke + -50mT (97.66mT/LSB); Polarity = 0; ntọala ndabara:

D9..0 uru = 0 pụtara -50mT na ihe mmetụta ụlọ.

D9..0 uru = 511 pụtara 0mT na ihe mmetụta ụlọ nzukọ (enweghị oghere magnetik, ma ọ bụ enweghị magnet).
D9..0 uru = 1023 pụtara +50mT na ihe mmetụta ụlọ nzukọ.

Schematic na nhazi

Ozi ịtụ

Tebụl 2:
Ozi ịtụ

Koodu ịtụ	Nkọwa	kwuru
AS5510-WLCSP-AB	AS5510 nkwụnye ọkụ	bọọdụ nkwụnye nwere ihe mmetụta na ngwugwu njem

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ams AS5510 10-bit Linear Incremental Position Sensor nwere mmepụta akụkụ dijitalụ [pdf] Akwụkwọ ntuziaka onye ọrụ
AS5510 10-bit Linear Increament Position Sensor nwere mmepụta akụkụ dijitalụ, AS5510, 10-bit Linear Incremental Position Sensor nwere mmepụta akụkụ dijitalụ, ihe nrịbawanye ọnọdụ ọnọdụ Linear, sensọ ọnọdụ mmụba, ihe mmetụta ọnọdụ, ihe mmetụta.

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AS5510 10-bit Linear Incremental Position Sensor nwere mmepụta akụkụ dijitalụ

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