onsemi NB7NPQ1102MCMUGEVB Evaluation Board User Manual
- June 3, 2024
- onsemi
Table of Contents
NB7NPQ1102MCMUGEVB Evaluation Board
User’s Manual
NB7NPQ1102MCMUGEVB Evaluation Board
EVAL BOARD www.onsemi.com
Introduction
The NB7NPQ1102MCMUGEVB evaluation board was developed to provide a convenient
platform to quickly verify the operation of the NB7NPQ1102M redriver in a USB
type−C system environment.
This evaluation board manual contains:
- Information on the NB7NPQ1102M Evaluation Board
- Board Schematics
- Bill of Materials
Board Features
- Accommodates the Functional Evaluation of the NB7NPQ1102M
- Acts as a Reference Design that Can Easily be Modified for Active Cables, UFP (Upstream Facing Port), DFP (Downstream Facing Port), and DRP (Dual Role Port) Applications
- Type−C Plug and Receptacle to Easily Place in the Existing System Environment
- On Board Control Pins for Adjusting Settings without Compromising Form Factor
- Two NB7NPQ1102M Devices to Facilitate USB Type−C Connections without using a Multiplexor
Part Description
The NB7NPQ1102M is a 3.3 V dual channel, high gain, redriver for USB 3.1 Gen 1
and USB 3.1 Gen 2 applications that supports both 5 Gbps and 10 Gbps data
rates. Signal integrity degrades from PCB traces, transmission cables, and
inter−symbol interference (ISI). The NB7NPQ1102M compensates for these losses
by engaging varying levels of equalization at the input receiver, and flat
gain amplification on the output transmitter. The Flat Gain and Equalization
are controlled by four level control pins. Each channel has a set of
independent control pins to make signal optimization possible.
After power up, periodic check of TX output is made for the receiver
connection. When the receiver is detected, the RX termination becomes enabled
and the device is set to perform the redriver function. Note that both the
channels are independent of each other. The flexibility of this part allows it
to fit into many system applications The NB7NPQ1102M comes in a small 3 x 3
mm UQFN16 package and is specified to operate across the entire industrial
temperature range of –40°C to 85°C.
This manual should be used in conjunction with the device datasheet which
contains full technical details on the device specifications and
operation.
BOARD MAP AND FUNCTIONAL SUMMARY
External Power Supply Instructions
Select Power Source
The NB7NPQ1102MCMUGEVB has the flexibility to be powered through USB’s VBUS,
or an external power supply. Table 1 along with Figure 3 and Figure 4 describe
the jumper settings for each of the configurations.
Monitoring Current / Power
There are two easy ways to monitor the current consumed by the redriver. If
you are using an external power supply, you can simply use the current meter
commonly found on the power supplies. If you would like to use a current
probe, simply solder the probe between the VCC pin and the power supply. This
will allow monitoring of the NB7PQ1102M’s current consumption.
Step 4: USB 2.0 Data Lines
The USB 2.0 lines can be disconnected by removing the 0 Ω resistors R5 and R6
on the D+ and D− lines. This is useful if you cannot easily tell whether the
downstream facing port has acknowledged a super speed (+) connection with the
inserted loss, or if it stepped down to high speed data rates. When a receiver
is detected through RxDetect, the DFP will initialize link training. It will
send a test signal out at the highest data rate and expect to see the same
signal sent back by the UFP. If the signals do not match due to ISI (or any
other connection issues) then it will drop down the data rate to USB 2.0
speeds.
On Windows machines, an easy way to tell that a super speed connection was not
established is to look for a pop−up in the task bar letting the user know that
“This device can perform faster”. A disk benchmarking tool like Crystal Disk
Mark that lets you test read and write speeds to a peripheral storage can also
be used.
NB7NPQ1102MCMUGEVB
Table 1. SELECTING A POWER SOURCE
| USB VBUS | Place jumper on J14 and a Jumper on J13 |
|---|---|
| External Supply | Open J14 and connect positive lead of external supply to VCC |
clip and apply 3.3 V. Ensure that GND clip is connected to ground and that current limit is set to 300 mA.
COMPLETE BOARD SCHEMATICS
BILL OF MATERIAL
Table 2. BILL OF MATERIALS
Qty| Description| Schematic Reference| Manufacturer|
Manufacturer Part Number
---|---|---|---|---
2| 3.3 V Dual Channel USB3.1 High Gain Linear Re-driver| U1, U2| onsemi|
NB7NPQ1102MMUTXG
14| Header, 0.100″| J1. J2; J3; J4; J5; J6; J7; J8; J9; J10; J11; J12; J13;
J14| FCI| 77311-118-02LF
1| 3 Cnt Header, 0.100″| J15| FCI| 68001 -203H LF
8| Capacitor 0.33 «F (0402)| C3; C5; C6; C7; C11; C14; 017; 019| TDK|
C1005X5R1C334M050BB
8| Capacitor 0.22 tF (0402)| C4; C8; 012; 013; C15; C16; C18; C20| TDK|
C1005X5R1C224M050BB
6| Capacitor 1 uF (0603)| C1; C2; C9; 010; C21; C22| Samsung| CL10A105KA5LNNC
1| USB Type-C Receptacle| CN1| Mill-Max| 898-73-024-90-310001
1| Blue LED| D1| Rohm| SMLE12BC7TT86
1| 3.3 V Voltage Regulator| U3| onsemi| NCP3335ADM330R2G
4| Resistor 68 kc-2 (0402)| R1; R2; R3; R4| Panasonic| ERJ-2RKF6802X
2| Resistor 0.0 Q. (0402)| R5; R6| Yageo| RC0402JR-07ORL
1| Resistor 1 kc2 (0402)| R7| Panasonic| ERJ-2RKF1001X
1| USB Type-C Plug| CN2| Wurth Elektronik| 632712000011
4| Resistor 220 kc-2 (0402)| R22; R23; R24; R25| Panasonic|
2| Connector| GND; VCC| |
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© Semiconductor Components Industries, LLC, 2022
February, 2022 − Rev. 0
Publication Order Number: EVBUM2655/D
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