Integration Manual
Table Of Contents
- Preface
- Contents
- 1 System description
- 1.1 Overview
- 1.2 Architecture
- 1.3 Pin-out
- 1.4 Operating modes
- 1.5 Supply interfaces
- 1.5.1 Module supply input (VCC or 3.3Vaux)
- 1.5.1.1 VCC or 3.3Vaux supply requirements
- 1.5.1.2 VCC or 3.3Vaux current consumption in 2G connected-mode
- 1.5.1.3 VCC or 3.3Vaux current consumption in 3G connected mode
- 1.5.1.4 VCC or 3.3Vaux current consumption in LTE connected-mode
- 1.5.1.5 VCC or 3.3Vaux current consumption in cyclic idle/active mode (power saving enabled)
- 1.5.1.6 VCC or 3.3Vaux current consumption in fixed active-mode (power saving disabled)
- 1.5.2 RTC supply input/output (V_BCKP)
- 1.5.3 Generic digital interfaces supply output (V_INT)
- 1.5.1 Module supply input (VCC or 3.3Vaux)
- 1.6 System function interfaces
- 1.7 Antenna interface
- 1.8 SIM interface
- 1.9 Data communication interfaces
- 1.10 Audio
- 1.11 General Purpose Input/Output
- 1.12 Mini PCIe specific signals (W_DISABLE#, LED_WWAN#)
- 1.13 Reserved pins (RSVD)
- 1.14 Not connected pins (NC)
- 1.15 System features
- 1.15.1 Network indication
- 1.15.2 Antenna supervisor
- 1.15.3 Jamming detection
- 1.15.4 IP modes of operation
- 1.15.5 Dual stack IPv4/IPv6
- 1.15.6 TCP/IP and UDP/IP
- 1.15.7 FTP
- 1.15.8 HTTP
- 1.15.9 SSL / TLS
- 1.15.10 Bearer Independent Protocol
- 1.15.11 Wi-Fi integration
- 1.15.12 Firmware update Over AT (FOAT)
- 1.15.13 Firmware update Over The Air (FOTA)
- 1.15.14 Smart temperature management
- 1.15.15 SIM Access Profile (SAP)
- 1.15.16 Power saving
- 2 Design-in
- 2.1 Overview
- 2.2 Supply interfaces
- 2.2.1 Module supply (VCC or 3.3Vaux)
- 2.2.1.1 General guidelines for VCC or 3.3Vaux supply circuit selection and design
- 2.2.1.2 Guidelines for VCC or 3.3Vaux supply circuit design using a switching regulator
- 2.2.1.3 Guidelines for VCC or 3.3Vaux supply circuit design using a Low Drop-Out linear regulator
- 2.2.1.4 Guidelines for VCC supply circuit design using a rechargeable Li-Ion or Li-Pol battery
- 2.2.1.5 Guidelines for VCC supply circuit design using a primary (disposable) battery
- 2.2.1.6 Additional guidelines for VCC or 3.3Vaux supply circuit design
- 2.2.1.7 Guidelines for external battery charging circuit
- 2.2.1.8 Guidelines for external battery charging and power path management circuit
- 2.2.1.9 Guidelines for VCC or 3.3Vaux supply layout design
- 2.2.1.10 Guidelines for grounding layout design
- 2.2.2 RTC supply output (V_BCKP)
- 2.2.3 Generic digital interfaces supply output (V_INT)
- 2.2.1 Module supply (VCC or 3.3Vaux)
- 2.3 System functions interfaces
- 2.4 Antenna interface
- 2.5 SIM interface
- 2.6 Data communication interfaces
- 2.7 Audio interface
- 2.8 General Purpose Input/Output
- 2.9 Mini PCIe specific signals (W_DISABLE#, LED_WWAN#)
- 2.10 Reserved pins (RSVD)
- 2.11 Module placement
- 2.12 TOBY-L2 series module footprint and paste mask
- 2.13 MPCI-L2 series module installation
- 2.14 Thermal guidelines
- 2.15 ESD guidelines
- 2.16 Schematic for TOBY-L2 and MPCI-L2 series module integration
- 2.17 Design-in checklist
- 3 Handling and soldering
- 4 Approvals
- 4.1 Product certification approval overview
- 4.2 US Federal Communications Commission notice
- 4.3 Innovation, Science and Economic Development Canada notice
- 4.4 Brazilian Anatel certification
- 4.5 European Conformance CE mark
- 4.6 Australian Regulatory Compliance Mark
- 4.7 Taiwanese NCC certification
- 4.8 Japanese Giteki certification
- 5 Product testing
- Appendix
- A Migration between TOBY-L1 and TOBY-L2
- B Glossary
- Related documents
- Revision history
- Contact
TOBY-L2 and MPCI-L2 series - System Integration Manual
UBX-13004618 - R26 Design-in
Page 74 of 162
Figure 34 and the components listed in Table 22 show an example of a low cost power supply circuit, where the
VCC module supply is provided by a step-down switching regulator capable of delivering to VCC pins the specified
maximum peak / pulse current, transforming a 12 V supply input.
TOBY-L2 series
12V
R5
C6C1
VCC
INH
FSW
SYNC
OUT
GND
2
6
3
1
7
8
C3
C2
D1
R1
R2
L1
U1
GND
FB
COMP
5
4
R3
C4
R4
C5
71
VCC
72
VCC
70
VCC
12V
R5
C6C1
VCC
INH
FSW
SYNC
OUT
GND
2
6
3
1
7
8
C3
C2
D1
R6
R7
L1
U1
GND
FB
COMP
5
4
R3
C4
R4
C5
MPCI-L2 series
24
3.3Vaux
39
3.3Vaux
2
3.3Vaux
41
3.3Vaux
52
3.3Vaux
Figure 34: Example of low cost VCC and 3.3Vaux supply application circuit using step-down regulator
Reference
Description
Part Number - Manufacturer
C1
22 µF Capacitor Ceramic X5R 1210 10% 25 V
GRM32ER61E226KE15 – Murata
C2
100 µF Capacitor Tantalum B_SIZE 20% 6.3V 15m
T520B107M006ATE015 – Kemet
C3
5.6 nF Capacitor Ceramic X7R 0402 10% 50 V
GRM155R71H562KA88 – Murata
C4
6.8 nF Capacitor Ceramic X7R 0402 10% 50 V
GRM155R71H682KA88 – Murata
C5
56 pF Capacitor Ceramic C0G 0402 5% 50 V
GRM1555C1H560JA01 – Murata
C6
220 nF Capacitor Ceramic X7R 0603 10% 25 V
GRM188R71E224KA88 – Murata
D1
Schottky Diode 25V 2 A
STPS2L25 – STMicroelectronics
L1
5.2 µH Inductor 30% 5.28A 22 m
MSS1038-522NL – Coilcraft
R1
4.7 k Resistor 0402 1% 0.063 W
RC0402FR-074K7L – Yageo
R2
910 Resistor 0402 1% 0.063 W
RC0402FR-07910RL – Yageo
R3
82 Resistor 0402 5% 0.063 W
RC0402JR-0782RL – Yageo
R4
8.2 k Resistor 0402 5% 0.063 W
RC0402JR-078K2L – Yageo
R5
39 k Resistor 0402 5% 0.063 W
RC0402JR-0739KL – Yageo
R6
1.5 k Resistor 0402 1% 0.063 W
RC0402FR-071K5L – Yageo
R7
330 Resistor 0402 1% 0.063 W
RC0402FR-07330RL – Yageo
U1
Step-Down Regulator 8-VFQFPN 3 A 1 MHz
L5987TR – ST Microelectronics
Table 22: Components for low cost VCC and 3.3Vaux supply application circuit using a step-down regulator