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. Bluegiga Technologies Oy VERSION HISTORY Version Comment 1.0 First version 1.1 Updated contact details Bluegiga Technologies Oy TABLE OF CONTENTS 1 Setup .............................................................................................................................................................5 2 Results ...........................................................................................................................................................6 3 Contact Information .......................................................................................................................................9 Bluegiga Technologies Oy 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 Bluegiga Technologies Oy Page 5 of 9 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 Bluegiga Technologies Oy Page 6 of 9 Figure 2: Current consumption profile during boot Figure 3: Current consumption profile during idle (pagemode 4) Bluegiga Technologies Oy Page 7 of 9 Figure 4: Current consumption profile when creating an A2DP connection Bluegiga Technologies Oy Page 8 of 9 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. Bluegiga Technologies Oy Page 9 of 9