Operation Manual

AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
Preliminary Application Note
AS3610-AN01-Demoboard 1V0
USB complient Step down Charger for Portable Devices
1 General Description
The AS3610 is highly integrated standalone or optional I2C
controlled step down charger. All supervision and regulation
functions are realized internal and independent from the
processor.
In addition the Charger can generate a 5.05V output supply
at VBUS for USB OTG.
2 Key Features
DCDC USB Charger
1.2A, 3MHz DCDC Charger
OTG Boost with low IQ (700uA) up to 500mA
Seamless 100% Mode
Reverse Polarity protection on VBUS
NTC support
Low side LED driver
No external shunt resistor required
No Battery operation without voltage drop.
Package MLPD14 3x3mm
3 Applications
- 1 Cell Li+ charger for mobile phones and portable
devices
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
1 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
Table of Contents
1
FURTHER APPLICATIONS .................................................................................................................. 3
2
REVISION STATUS ............................................................................................................................. 3
3
GENERAL DESCRIPTION.................................................................................................................... 3
4
GETTING STARTED ............................................................................................................................ 3
5
GUI –SW: FIRST STEPS...................................................................................................................... 4
6.1 GUI – SW: OVERVIEW ........................................................................................................................... 4
6.2 SW VS. PCB: GET THE BOARD FUNCTIONAL ....................................................................................... 5
7
AS3610 DEMOBOARD V1.0 JUMPER AND DEVICE LOCATIONS ......................................................... 7
8
APPLICATION SCHEMATIC AS3610 DEMOBOARD 1V0 ...................................................................... 8
9
AS3610 DEMOBOARD V1.0: LAYOUT (TOP VIEW) ............................................................................ 11
10
AS3610 DEMOBOARD V1.0: LAYOUT (BOTTOM VIEW) .................................................................... 11
COPYRIGHT .............................................................................................................................................. 12
AS3610
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
2 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
1 Further Applications
Visit our home-page: http: //www.austriamicrosystems.com
2 Revision status
AS3610 - AN01 - Demoboard
AS3610 Demoboard – Layout
AS3610 Demoboard – Schematic
Rev.: 1v0
Rev.: 1v0
Rev.: 1v0
3 General description
Remark: all subsequent component numbering refers to the application schematics, shown in pt. Application
Schematic.
4 Getting Started
Install the GUI SW which can be found on the USB-BOX or CD-ROM which is included.
After that, follow the following sequence to connect the AS3610 Board: (also shown in the picture below)
1. Connect the an USB cable or alternative supply the board from a power supply (5V)
2. Connect the austriamicrosystems AG USB BOX at J1
3. connect a battery to VBAT and GND
A red LED (D2) on the Board immediately indicates a proper connection of the power supply.
2
1
3
( Picture shows AS3610 Demoboard 1V0 )
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
3 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
5 GUI –SW: First steps
If the USB Box and the Device is recognized the bars are shown in green
6.1 GUI – SW: overview
Select the NTC of the battery:
10 or 100k
Overview which current can be selected
on the Demoboard
www.austriamicrosystems.com (mmt)
Shows the status of the Charger
Function of Status pin:
0 always off
1 ch_det=ON
2 ch_det=ON, stop_charging or boost_error=5Hz blinking
3 Charging=ON, stop_charging or boost_error=5Hz blinking
4 Charging=ON, EOC=1Hz blinking, stop_charging or
boost_error=5Hz blinking
5 ch_det =ON, EOC=1Hz blinking, stop_charging or
boost_error=5Hz blinking
Revision 1.0 / 2010/07/27
4 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
6.2 SW vs. PCB: Get the board functional
Connect Battery (~3.7V Lithium Ionen) to Vbat -> no Power Supply
Connect Power Supply (5V) to Vbus or USB cable measure current consumption
LED D2 is turning on, current limit about 100/500mA
Set Jumper on NTC (J8) LED D2 should be blinking, current consumption is 0mA
Disconnect NTC- Jumper and set Jumper USB 500 (J5) to “1” current consumption is a little bit under
500 mA, set the Jumper back of USB 500 to “0” to get 100mA.
XEN set per Jumper (J3) to “1” current consumtion = 0mA, set XEN back to “0”
Activate in the SW
-
Then
in the Register of Charger Status now should be set: ChDet and it is depending on the battery voltage
CCM or Trickle or Const. Volt. Mode or EOC is shown.
Disconnect battery : CHDet & EOC are set
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
5 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
Remove the I-Term Jumper: ChDet & Const. Voltage mode are set
Re-connect Battery and Jumper
Disable in the SW the “ USB charger enable”
Disconnect VBUS
Activate the “ Boost Enable”
LED D2 is turned on! The Voltage on Vbus is ~5V.
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
6 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
7
AS3610 Demoboard V1.0 jumper and device locations
Listed below are the various connectors and jumpers.
Jumper
J1
J2
J3
J4,J6,J7
J9.J10,J11
J5
comment
Function
I2C interface
I2C-PWR
XEN
ISET
ITERM
USB 500
Uses the power supply from the I2C box
Enable pin for step down charger
Sets the charging current
Selects Trickle & EOC current
Set current limit in charger mode. 100mA/500mA USB current
limit
J8
NTC
J13
Stat. LED
J14,J15,J1
6,J17
J18,J19
Stand alone
VBUS
GND
VBAT
Device
NTC input
Status output pin.
Connector for Adapterboard
Fixed solution for the Stand alone mode
5V supply
Battery connector
comment
Value
U1
AS3610
USB complient Step down Charger for Portable Devices
U2
USB connector
5V supply for Vbus
Connector and Jumper locations of AS3610A Demoboard 1V0
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
7 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
8 Application Schematic AS3610 Demoboard 1V0
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
8 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
9 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
10 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
9 AS3610 Demoboard V1.0: Layout (top view)
Layout (top view)
10 AS3610 Demoboard V1.0: Layout (bottom view)
Layout (bottom view)
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
11 - 12
AS3610 – AN01 - Demoboard
Preliminary Application Note – USB complient Step down Charger for Portable Devices
Copyright
Copyright © 1997-2010, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, AustriaEurope. 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.
Diclaimer
Devices sold by austriamicrosystems AG are covered by the warranty and patent indemnification provisions
appearing in its Term of Sale. austriamicrosystems 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. Austriamicrosystems 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
austriamicrosystems 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
austriamicrosystems 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 austriamicrosystems AG is believed to be correct and accurate. However,
austriamicrosystems 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 austriamicrosystems AG rendering of technical or other services.
Contact Information
Headquarters
austriamicrosystems AG
A-8141 Schloss Premstätten, Austria
T. +43 (0) 3136 500 0
F. +43 (0) 3136 5692
For Sales Offices, Distributors and Representatives, please visit:
http://www.austriamicrosystems.com/contact
www.austriamicrosystems.com (mmt)
Revision 1.0 / 2010/07/27
12 - 12