AS3668 Carrier PCB Module

www.ams.com Revision 1.1 / 2012/07/21

Application Note: AN02 – AS3668

Carrier PCB Module

AS3668

Carrier PCB Module

AS3668 – AN02 – Carrier PCB Module

www.ams.com Revision 1.1 / 3/11/2013 page 1/11

Table of Contents

1. General Information ............................................................................................................... 2

2. Revision Status ...................................................................................................................... 2

3. PCB overview ........................................................................................................................ 3

4. PCB Layer Stackup ............................................................................................................... 8

5. AS3668 Carrier PCB 1V0 Schematic..................................................................................... 9

6. Layout (Top View) ............................................................................................................... 10

7. Layout (Bottom View) .......................................................................................................... 10

8. Copyright ............................................................................................................................. 11

9. Disclaimer ............................................................................................................................ 11

1.1. Application ................................................................................................................. 2

3.1. Assembly ................................................................................................................... 3

3.2. Pin description ........................................................................................................... 3

3.3. PIN GPIO/AUDIO_IN ................................................................................................. 4

3.3.1. Mode: AUDIO_IN ................................................................................................... 4

3.3.2. Mode: GPIO ........................................................................................................... 5

3.4. Size of the carrier PCB .............................................................................................. 6

3.5. Reference design ....................................................................................................... 6

3.5.1. Pad size ................................................................................................................. 6

3.5.2. Placement of Pads on main pcb ............................................................................ 7



1. General Information

1.1. Application

The product is perfect for Mobilephones, MP3 Player, Portable Navigation Devices, Digital

Cameras, USB Dongles/Modems, Game Controllers and can be used for fun and indicator lights,

backlighting and as programmable current sources.

2. Revision Status

Application Note Rev.: AN02

Layout Rev.: 1v0

Schematic Rev.: 1v0



3. PCB overview

3.1. Assembly

All external components required for operation are assembled on this boards.

3.2. Pin description

Connect into a system with wires or solder it to another PCB.

Be aware to place no VIAS under these carrier PCB, to prevent a short at the bottom side.



3.3. PIN GPIO/AUDIO_IN

It must be selected if GPIO or AUDIO_IN mode will be used. In the Schematic it is shown as C4

but it can be also soldered a resistor instead of the capacitor.

General Purpose Input/Output or Audio Input. Depending on AS3668 configuration this

pin provided three different features. It can either be configured as general purpose input/

output 1 or as analogue audio input for music playback synchronization of AS3668 with an

audio source. Furthermore it is possible to use it as power up pin starting up with a default

PWM pattern sequence for LED1. If the pin is not used it is mandatory to connect it to

ground.

3.3.1. Mode: AUDIO_IN

For using the AUDIO_IN mode a blocking capacitor must be soldered onto the Pad of C4.



3.3.2. Mode: GPIO

For using the GPIO mode a 0Ohm resistor must be soldered onto the Pad of C4.



3.4. Size of the carrier PCB

The carrier PCB dimension is 7.62 x 10.16mm and has a heights of 0.6mm

Be aware to place no VIAS under these carrier PCB, to prevent a short at the bottom side.

3.5. Reference design

3.5.1. Pad size

Solder pad size is 1,6 x 1,2mm



3.5.2. Placement of Pads on main pcb

All pins are in a grid of 2.54mm(100mil).

Do not place any Vias and wires inside the black

area!

strictly confidential

AS3630 – AN01 – Demoboard

Preliminary Application Note: 6A SuperCap Flash Driver with Torch and Indicator


4. PCB Layer Stackup





5. AS3668 Carrier PCB 1V0 Schematic





6. Layout (Top View)

7. Layout (Bottom View)





8. Copyright

Copyright © 1997-2012, ams AG, Tobelbader Strasse 30, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered ®. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. All products and companies mentioned are trademarks or registered trademarks of their respective companies.

9. Disclaimer Devices sold by ams AG are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. ams AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. ams AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with ams AG for current information. This product is intended for use in normal commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or lifesustaining equipment are specifically not recommended without additional processing by ams AG for each application. For shipments of less than 100 parts the manufacturing flow might show deviations from the standard production flow, such as test flow or test location. The information furnished here by ams AG is believed to be correct and accurate. However, ams AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise or flow out of ams AG rendering of technical or other services.

Contact Information

Headquarters

ams AG Tobelbader Strasse 30 8141 Unterpremstaetten Austria T. +43 (0) 3136 500 0 For Sales Offices, Distributors and Representatives, please visit: http://www.ams.com/contact

AS3668 Carrier PCB Module

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