Product Specs

Product Specification
Spec-BMS002-V1.7 Page
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BMS002 BT5.2 LE Audio Module Featrue......................................................................................... 1
1. DEVICE OVERVIEW .................................................................................................................... 3
1.1 BMS002 Module series.......................................................................................................... 3
2. AUDIO CODEC..............................................................................................................................4
2.1 Auxiliary ADC Block description.......................................................................................... 4
2.2 Audio uplink (Analog part) .................................................................................................. 4
2.3 Audio downlink (Analog part) ..............................................................................................5
2.4 Digital controller for class-G amplifier ............................................................................... 6
3. Power-on/off sequence..................................................................................................................... 6
3.1 Pulling PWRKEY low (User presses PWRKEY.)............................................................... 6
3.2 Valid charger plug-in ............................................................................................................ 6
3.3 ALARM (RTC mode only) .....................................................................................................
4. Battery charge specification revision 1.2 (BC1.2)............................................................................8
4.1 Feature and description ..........................................................................................................8
4.2 Functional block .................................................................................................................... 8
4.3 Linear Battery Charging ........................................................................................................ 8
5. Bluetooth RF Subsystem................................................................................................................ 9
5.1 Bluetooth description..............................................................................................................9
5.2 Functional specifications........................................................................................................ 9
5.3 Basic data rate – Receiver & Transmitter specifications.....................................................10
5.4 Enhanced data rate –Receiver & Transmitter specifications...............................................10
5.5 Bluetooth LE –Receiver & Transmitter specifications........................................................10
6. Module Description........................................................................................................................ 11
6.1 BMS002 module structure....................................................................................................11
6.2 BMS002 module pin assignment and pin description......................................................... 11
7. Antenna of BMS002....................................................................................................................... 18
7.1 Recommended for PWB Antenna design............................................................................ 18
7.2 Module Placement Guidelines..............................................................................................18
8. Electrical Characteristics................................................................................................................ 20
8.1 Module Power Consumption (Vcore =0.7-1.1V)................................................................. 20
8.2 Module Power Supply.......................................................................................................... 21
9. Recommended Reflow Temperature Profile:................................................................................. 22
10. QR code label information:.......................................................................................................... 22
11. Certification.................................................................................................................................. 23
11.1 BQB Certification QDID...................................................................................................23
11.2 EMC Certification............................................................................................................. 23
12. Standard Packing Information...................................................................................................... 23
13. Document History.........................................................................................................................26