Quectel BG95 A-GL Series Hardware Design page 11

Figure Index
Figure 1: Functional Diagram of BG950A-GL
Figure 2: Functional Diagram of BG951A-GL
Figure 3: Functional Diagram of BG953A-GL
Figure 4: Functional Diagram of BG955A-GL
Figure 5: Pin Assignment of BG950A-GL & BG953A-GL (Top View)
Figure 6: Pin Assignment of BG951A-GL (Top View)
Figure 7: Pin Assignment of BG955A-GL (Top View)
Figure 8: Sleep Mode Application via UART Interface
Figure 9: Power Supply Limits During Burst Transmission
Figure 10: Star Structure of Power Supply
Figure 11: Turn On Module With a Driving Circuit
Figure 12: Turn On Module With a Button
Figure 13: Power-up Timing (After VBAT is Stable for 100–200 ms)
Figure 14: Power-up Timing (After VBAT is Stable for more than 250 ms)
Figure 15: Restart Timing
Figure 16: Power-down Timing (PWRKEY & PON_TRIG)
Figure 17: Power-down Timing (AT Command & PON_TRIG)
Figure 18: Reference Circuit of RESET_N with a Driving Circuit
Figure 19: Reference Circuit of RESET_N with a Button
Figure 20: Reset Timing
Figure 21: PON_TRIG Reference Circuit 1
Figure 22: PON_TRIG Reference Circuit 2
Figure 23: Reference Circuit of (U)SIM Interface with an 8-Pin (U)SIM Card Connector
Figure 24: Reference Circuit of (U)SIM Interface with a 6-Pin (U)SIM Card Connector
Figure 25: Reference Circuit of USB Application
Figure 26: Main UART Reference Design (Translator Chip)
Figure 27: Main UART Reference Design (Transistor Circuit)
Figure 28: Reference Circuit of PSM Status Indication
Figure 29: Reference Circuit of Network Status Indication
Figure 30: Reference Circuit of STATUS
Figure 31: Reference Circuit of Main Antenna Interface
Figure 32: Reference Design of GNSS Antenna Interface
Figure 33: Microstrip Design on a 2-Layer PCB
Figure 34: Coplanar Waveguide Design on a 2-Layer PCB
Figure 35: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground)
Figure 36: Coplanar Waveguide Design on a 4-Layer PCB (Layer 4 as Reference Ground)
Figure 37: Dimensions of the Receptacle (Unit: mm)
Figure 38: Specifications of Mated Plugs
Figure 39: Space Factor of Mated Connectors (Unit: mm)
Figure 40: Module Top and Side Dimensions (Unit: mm)
Figure 41: Module Bottom Dimensions (Bottom View, Unit: mm)
BG95xA-GL_Hardware_Design
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LPWA Module Series
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