Quectel BG95 User Manual

LPWA Module Series
BG95&BG96 Compatible Design
BG95&BG96_Compatible_Design 33 / 47
4.9. USB Interface
BG95/BG96 provides one integrated Universal Serial Bus (USB) interface which complies with the USB
2.0 specification and supports slave mode only. BG96 supports high speed (480Mbps) and full speed
(12Mbps) modes, while BG95 supports full speed (12Mbps) and low speed (1.5Mbps) modes.
The following figure shows a reference design of USB interface when application processor
communicates with BG96 via USB interface.
USB_DP
USB_DM
GND
USB_DP
USB_DM
GND
L1
Close to Module
R3
R4
Test Points
ESD Array
NM_0R
NM_0R
Minimize these stubs
Module
MCU
USB_VBUS
VDD
Figure 17: Reference Design of USB Interface (BG96)
The following figure shows a reference design of USB interface for BG95.
USB_DP
USB_DM
GND
USB_DP
USB_DM
GND
R1
R2
Close to Module
ESD Array
0R
0R
Module
Connector
USB_VBUS
USB_VBUS
ESD
R3
1K
Figure 18: Reference Design of USB Interface (BG95)

Quectel BG95 Specifications

General

Brand	Quectel
Model	BG95
Category	Control Unit
Language	English