Wavecom GS64 Especificaciones Pagina 73
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Product Technical Specification & Customer Design Guidelines
Interfaces
3.13.3 Li-Ion Charging Algorithm
The Li-Ion algorithm provides battery temperature monitoring, which is highly
recommended to prevent battery damage during the charging phase.
The Li-Ion charger algorithm can be divided in three phases:
1.
Constant charge
2.
Beginning of pulse charge
3.
End of pulse charge
The three phases can be seen on the following waveform for full charging:
Figure 28: Li-Ion full-charging waveform
Electrical characteristics of Li-Ion battery timing charge
Parameter Min Typ Max Unit
Step 1 switching Closed Always s
© Confidential
Page: 72 / 116
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WA_DEV_Q64_PTS_001-003 January 9, 2009
Opened 0.1 s Step 2 switching
Closed 1 s
Opened 0.1 3 s Step 3 switching
Closed 1 s
- Q64 Wireless CPU 1
- Document History 3
- Overview 4
- Table of Contents 5
- Table of Figures 9
- © Confidential 10
- Trademarks 11
- Copyright 11
- No Warranty/No Liability 11
- 1 References 12
- 1.2 List of Abbreviations 13
- 2 General Description 16
- 2.2 Functional Description 18
- 2.3 Operating System 19
- 2.4 Software Description 19
- 3 Interfaces 21
- 3.2 Power Supply 22
- Table 1 Power supply voltage 23
- 3.2.3 Power Supply Pin-out 23
- 3.3 Power Consumption 24
- Processing 25
- application 25
- Application 26
- 3.5 I2C Bus 33
- Customer 34
- 3.8 SIM Interface 42
- 3.8.2 Pin Description 44
- 3.8.3 Application 44
- • C1 : 100nF 45
- • D1 : ESDA6V1SC6 from ST 45
- 3.10.1 Features 48
- ADIN4/ GPIO5 49
- 3.10.2 Pin Description 50
- 3.10.3 Application 50
- 3.11.1 Microphone Features 51
- 3.11.2.1.1 Speaker Outputs 54
- Ω; AT+VGR=6; single 56
- 3.11.3 Pin Description 56
- 3.11.4 Application 57
- 3.11.4.1 Microphone 57
- (Inside Q64) 59
- 3.11.4.2.3 AUXO Connection 63
- Design Recommendation 64
- General 64
- RF decoupling inductors 65
- RF decoupling capacitors 65
- Features 68
- Pin Description 68
- Application 69
- Electro-magnetic 70
- Impedance: 7 to 30 Ω 70
- Current: 60 to 90 mA 70
- A charger power supply 72
- A battery 72
- Li-Ion Charging Algorithm 73
- Constant charge 73
- Beginning of pulse charge 73
- End of pulse charge 73
- Temperature Monitoring 74
- If the Wireless CPU 75
- Power-ON 76
- 3.14.3.2 Power-OFF 78
- 3.16 VREF Output 81
- Non Rechargeable battery 84
- Rechargeable Battery Cell 84
- TOUTdelay 89
- TSYNC-CLK 89
- TCLK-cycle 89
- TIN-hold 89
- TIN-setup 89
- 3.20 USB 2.0 Interface 90
- 3.21 RF Interface 92
- Antenna Specifications 93
- Equipment 94
- A communication tester 94
- A standalone power supply 94
- SIM cards used 96
- Wireless CPU 96
- Equipment Configuration 98
- 4.3 Template 99
- 5 Technical Specifications 100
- Temperature range 102
- -30 °C to +75°C 102
- Q64 ENVIRONNEMENTAL CLASSES 103
- Physical Characteristics 104
- Weight : 11.6 g 104
- Mechanical Drawings 104
- 6.2 SIM Card Reader 106
- 6.3 Microphone 106
- 6.4 Speaker 106
- 6.5 Antenna Adaptor 107
- 6.6 Antenna Cable 107
- 6.7 GSM Antenna 107
- 7 Noises and Design 108
- 7.2 Mechanical Integration 109
- 8 Appendix 111
- 3GPP TS 51.011 V5.0.0 113
- (2001-12) 113
- RF Safety 115
- General 115
- Exposure to RF Energy 115
- +1 919 237 4140 118
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