Datasheet > SNC21200A

SNC21200A

更新时间： 2022-12-20 06:45:53

品牌	Logo	应用领域
松翰 - SONIX		控制器
页数	文件大小	规格书
12页	129K
描述
1-CH H.Q. Speech Controller

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SNC21200A 数据手册

SNC21200A

1-CH H.Q. Speech Controller

8.2 Motor application

Separate CPU power path with

power path of large current

application

104

10Ω

104

220KΩ

VDDIO

CVDD

Rb1

100Ω

OSC

8050

IO1

IO2

8050

104

Rb2

100Ω

Battery

Box

104

IO3

IO4

IO5

RST

GNDIO

CGND

Separate CPU GND with large

current application GND

There are some suggestions about PCB layout when user use

SNC21XXXA series IC with motor applications.

(1) The capacitor C1 (104) C2 (104) is strongly suggested to be as close to the chip

as possible.

(2) It had better let OSC components (R) get close to IC chip.

(3) OSC components had better get far away large current applications.

(4) Separate IC power path with large current application power path to avoid affect

IC working by power drop from large current application.

(5) R2 (10Ω)separate VDDIO and CVDD.

(6) Let power cable thicker, especially for large current application.

(7) C3 and C4 (104) are connected at the positive point and negative point of the

motor.

Ver1.1

November 6, 2009

1...8 9 101112

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