AN999: WT32i Current Consumption

WT32i Current Consumption
APPLICATION NOTE
Friday, 14 March 2014
Version 1.1
Copyright © 2000-2014 Bluegiga Technologies
All rights reserved.
Bluegiga Technologies assumes no responsibility for any errors which may appear in this manual.
Furthermore, Bluegiga Technologies reserves the right to alter the hardware, software, and/or specifications
detailed here at any time without notice and does not make any commitment to update the information
contained here. Bluegiga’s products are not authorized for use as critical components in life support devices
or systems.
The WRAP is a registered trademark of Bluegiga Technologies
The Bluetooth trademark is owned by the Bluetooth SIG Inc., USA and is licensed to Bluegiga Technologies.
All other trademarks listed herein are owned by their respective owners.
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VERSION HISTORY
Version
Comment
1.0
First version
1.1
Updated contact details
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TABLE OF CONTENTS
1
Setup .............................................................................................................................................................5
2
Results ...........................................................................................................................................................6
3
Contact Information .......................................................................................................................................9
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1 Setup
The current consumption of WT12 was measured over 1 ohm resistor with the setup shown in the picture
below. AVG current consumption was measured with a multimeter and peak current was measured with an
oscilloscope.
Oscilloscope
Oscilloscope
3V3
Multimeter
1R
WT12
WT11i
WT32i
BT link
WT12
WT32i
WT11i
Figure 1: Setup for the current measurement
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2 Results
Operation Mode
Idle
Sleep
Connected, Sniff disabled
Connected + Sniff, Master
Connected + Sniff, Master
Connected + Sniff, Slave
Connected + Sniff, Slave
A2DP Audio Streaming
A2DP Audio Streaming
SET BT PAGEMODE 0 2000 0
SET BT PAGEMODE 0 2000 1
SET BT PAGEMODE 0 2000 2
SET BT PAGEMODE 1 2000 0
SET BT PAGEMODE 1 2000 1
SET BT PAGEMODE 1 2000 2
SET BT PAGEMODE 2 2000 0
SET BT PAGEMODE 2 2000 1
SET BT PAGEMODE 2 2000 2
SET BT PAGEMODE 3 2000 0
SET BT PAGEMODE 3 2000 1
SET BT PAGEMODE 3 2000 2
SET BT PAGEMODE 4 2000 0
SET BT PAGEMODE 4 2000 1
SET BT PAGEMODE 4 2000 2
SET BT PAGEMODE 0 2000 0
SET BT PAGEMODE 0 2000 1
SET BT PAGEMODE 0 2000 2
SET BT PAGEMODE 1 2000 0
SET BT PAGEMODE 1 2000 1
SET BT PAGEMODE 1 2000 2
SET BT PAGEMODE 2 2000 0
SET BT PAGEMODE 2 2000 1
SET BT PAGEMODE 2 2000 2
SET BT PAGEMODE 3 2000 0
SET BT PAGEMODE 3 2000 1
SET BT PAGEMODE 3 2000 2
SET BT PAGEMODE 4 2000 0
SET BT PAGEMODE 4 2000 1
SET BT PAGEMODE 4 2000 2
SET BT SNIFF 0 20 1 8
SET BT SNIFF 40 20 1 8
SET BT SNIFF 1000 20 1 8
SET BT SNIFF 40 20 1 8
SET BT SNIFF 1000 20 1 8
A2DP SINK, INTERNAL CODEC
A2DP SOURCE, INTERNAL CODEC
Peak
12
32
12
32
75
70
Average
2.0
2.0
2.0
2.0
2.1
2.1
23
2.2
2.1
23
2.3
2.2
23
2.3
2.2
0.08
0.08
0.08
0.18
0.18
0.18
23.5
0.31
0.19
23
0.4
0.29
23
0.4
0.29
4.7
3.9
2.5
3.6
2.5
28
23
Unit
mA
mA
mA
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Figure 2: Current consumption profile during boot
Figure 3: Current consumption profile during idle (pagemode 4)
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Figure 4: Current consumption profile when creating an A2DP connection
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3 Contact Information
Sales:
[email protected]
Technical Support:
www.bluegiga.com/support
Orders:
[email protected]
WWW:
www.bluegiga.com
www.bluegiga.hk
Head Office / Finland:
Phone: +358-9-4355 060
Fax: +358-9-4355 0660
Sinikalliontie 5A
02630 ESPOO
FINLAND
Postal address / Finland:
P.O. BOX 120
02631 ESPOO
FINLAND
Sales Office / USA:
Phone: +1 770 291 2181
Fax: +1 770 291 2183
Bluegiga Technologies, Inc.
3235 Satellite Boulevard, Building 400, Suite 300
Duluth, GA, 30096, USA
Sales Office / Hong-Kong:
Phone: +852 3972 2186
Bluegiga Technologies Ltd.
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