Datasheet > A81407

A81407

更新时间： 2022-06-24 15:42:25

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
58页	3082K
描述
Multi-Output Regulator with Buck or Buck-Boost Pre-Regulator

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数据手册

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A81407 数据手册

Multi-Output Regulator with Buck or Buck-Boost Pre-Regulator,

4× LDO Outputs, Watchdog, 4× Gate Drivers, and SPI

A81407

FUNCTIONAL BLOCK DIAGRAM (continued)

ꢁꢃꢃ

ꢊ3.0 ꢁꢍ

ꢁꢃꢃ

ꢊ3.0 ꢁꢍ

ꢁUꢆ

A81407

ꢁUꢆ

MꢑSꢀ

NPꢀRꢇꢈꢄꢉꢊꢋꢌ0ꢍ

ꢆS

SPI

MꢀSꢑ

Sꢆꢈ

NPꢀR

ꢕꢁꢖꢖ ꢊw.r.t. Sꢁꢖꢖꢍ

ꢕU ꢊw.r.t. SUꢍ

ꢕꢁ ꢊw.r.t. Sꢁꢍ

ꢃꢄ-

ꢕꢐꢑꢅꢆH

td_{ꢏꢑꢐꢅ.ꢕꢚ}

μꢆ

RꢄSꢄꢅ

ꢀNꢄ

SHꢀꢅ

1ꢔꢁꢖAꢅ

t_ꢎꢃ

,ꢏAUꢐꢅ

ꢕꢎ ꢊw.r.t. Sꢎꢍ

ꢂꢃP

ꢅo SPꢑ

registers

ꢃꢄ-

ꢕꢐꢑꢅꢆH

td_{ꢏꢑꢐꢅ.ꢁꢖꢖ}

SꢁꢖꢖꢇUꢁ

ꢕate-ꢃriꢝer

ꢄNꢁꢖꢖ

ꢕꢁꢖꢖ

Sꢁꢖꢖ

ꢁUꢆ

ꢀꢁꢂUꢁ

ꢕAꢅꢄ

ꢃRꢑꢁꢄR

ꢄNAꢖꢐꢄ

Sꢁꢖꢖ

Uꢁ

ꢃꢄꢅꢄꢆꢅ

ꢁꢆP1

ꢁꢆPꢔ

ꢁRꢄꢕ

ꢁUꢆ

ꢁ5A

ꢁ5P1

ꢁ5Pꢔ

V_Bridge

ꢃꢄ-

ꢕꢐꢑꢅꢆH

td_ꢀꢁ

Pꢀꢄ

Motor

Phase W

ꢄNꢎ

ꢕꢎ

Sꢎ

td_Uꢁ

Bridge A

ꢁUꢆ

MPꢀR

ꢅSꢃ

Motor

Phase V

ꢄN

RSꢅ

Rꢄꢏ

ꢕate-ꢃriꢝer

ꢖꢕꢔ

ꢆꢐꢈ ꢒ ꢓ_SꢉS

ꢄNꢁ

ꢄNU

ꢕꢁ

Sꢁ

ꢕU

ꢏꢏn

μꢆ

ꢎꢃꢇꢏn

ꢑNꢅꢄRRUPꢅ

ꢏꢏ

Bridge B

Motor

Phase U

PUꢐSꢄ ꢎꢑꢃꢅH

ꢎAꢅꢆHꢃꢀꢕ

ꢅꢑMꢄR

ꢎꢃ_ꢑN

Bridge C

ꢆꢐꢈ_ꢑN

50 ꢙΩ

ꢊPꢎꢎꢃꢍ

ꢁRꢄꢕꢀ 2 ^Ψ

ꢁUꢆꢀ 2

ꢁ5A ꢀ 2

ꢁ5P1 ꢀ 2

ꢁ5Pꢔ ꢀ 2

ꢁꢄNꢖAꢅꢀ 8 ^Ψ

ꢖꢕ1

ꢎꢑNꢃꢀꢎ

ꢎAꢅꢆHꢃꢀꢕ

ꢅꢑMꢄR

WDꢀꢁn

ꢁꢆꢆ

ꢊꢎꢎꢃꢍ

WD_SEL_(1:0)

A-MUꢛ

WD_STATE_(2:0)

AMUꢛꢀ

ꢗꢘA

ꢎAꢅꢆHꢃꢀꢕ

ꢅꢑMꢄR

ꢖꢕꢔ

ꢅꢄMP

ꢁꢑN ꢀ 10 ^Ψ

ꢁꢆPꢔ ꢀ 12 ^Ψ

ꢁꢆP ꢀ 12 ^Ψ

ꢁUꢆ

ꢆꢐꢈ ꢒ ꢓ_SꢉS

ꢊꢗꢘAꢍ

ꢜ

SEL_MUX_(3:0)

ꢕNꢃ

ꢎꢃꢇꢏn

WDSEL(1:0)

PꢕNꢃ

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

1 2 3 456 7 8...58

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