Mandate: Required
Effective Date: July, 2016
4.8.2 Non-USB Charging Methods
A product (Source and/or Sink) with a USB Type-C connector shall only employ signaling
methods defined in USB specifications to negotiate power over its USB Type-C connector(s).
Top Mandate: Required
Effective Date: August, 2016
All products implementing a USB Type-C connector must use certified USB connectors.
Top Mandate: Required
Effective Date: January, 2017
Table 3-1 of the USB Type-C Specification states that a Gen 1 USB Type-C to USB Type-C cable must implement an Emarker. The initial certifications of Gen 1 USB Type-C to USB Type-C did not require Emarkers as Emarkers were not readily available in the market place. Now that Emarkers are readily available, the USB-IF is enforcing the requirement that Gen 1 USB Type-C to USB Type-C cables must implement an Emarker.
Top Mandate: Required
Effective Date: June, 2017
The below test specifications reqruie testing in all orientations:
- USB Type-C Functional Test Specification
- USB 2.0, USB 3.2, and USB4 Electrical Compliance Test Specification
Top Mandate: Required
Effective Date: October, 2022
All USB Type-C Chargers shall advertise USB Type-C current of at least 1.5A and shall short D+ and D- together with a resistance less than 200ohms.
Top Mandate: Required
Effective Date: July, 2018
All USB Type-C Car Chargers seeking certification, as well as automotive specific USB products which are directly connected to a 12V car battery (such as a cigarette lighter charger), must be tested at 3 different input voltages to simulate the wide range of input voltages that occur in an automotive setting. These voltages are 9V, 12.5V and 16V. This means that the compliance program must be run 3 times, 1 per input voltage.
Automotive specific USB products designed for use with regulated voltage sources are only required to pass at their defined input voltage.
At this time the USB-IF defines a USB Car Charger as a USB peripheral which interfaces specifically with a cigarette lighter receptacle.
Top Mandate: Required
Effective Date: February, 2019
USB Hubs with USB Type-C(tm) downstream facing ports are required to run Bridge Class tests using USBCV. Any failures found are considered warnings when hubs do not implement USB Power Delivery on their downstream facing ports.
Top Mandate: Required
Effective Date: May, 2021
USB 2.0 and USB 3.2 USB-C sink capable products must billboard if insufficient power is received to power-on.
Top Mandate: Required
Effective Date: April, 2022
A USB Type-C Power Bank is defined as an end-product rechargeable battery containing one or more USB Type-CŪ ports used only for the purposes of sourcing and sinking power.
The Table below summarizes the requirements surrounding USB Type-C Power Bank configurations:
|
|
DRP port(s) |
Sink-only port |
Source-only port(s) |
Notes |
|
A |
1 |
0 |
1 or more |
DRP port or Proprietary connector is clearly identified as the Sink port |
|
B |
0 |
1 |
1 or more |
Sink port is clearly identified |
|
C |
1 or more |
0 |
0 |
All ports can either Sink or Source power |
|
D |
0 |
0 |
1 or more |
No USB Type-C sink-capable port. |
Power Banks seeking USB-IF certification must adhere to the following requirements:
- If a Power Bank Implements zero or one USB Type-C DRP capable ports, then the Power Bank may implement any number of dedicated USB Type-C Source ports
- If a Power Bank implements more than one USB Type-C DRP capable ports, then all USB Type-C ports on the Power Bank must be DRP capable.
- If a USB Type-C DRP port is not implemented, a Power Bank can have up to one dedicated USB Type-C Sink-only port and all remaining USB Type-C ports shall be Source-only ports.
- A power bank may also contain Legacy USB connectors, such as a USB Standard-A connector, USB Standard-B connector, or USB Micro-B connectors. These ports will be tested based on their connector type.
- A power bank may also use proprietary connectors for the purpose of charging, such as a barrel jack.
- All ports must be clearly labeled to indicate their power capabilities. This is especially important if the power bank has multiple USB Type-C ports with a mixture of capabilities.
These requirements are defined to decrease user confusion by eliminating unnecessary configurations, such as a power bank with multiple USB Type-C Sink-only ports or a power bank that mixes multiple DRPs with source-only capable ports.
Top Mandate: Required
Effective Date: August, 2022
Effective Immediately, the RFI System Level Test Procedure is required for all certifications of USB Type-C End Product Hosts capable of 5Gbps and above.
Top Mandate: Informational
Effective Date: August, 2023
USB-IF allows complex products to take additional time to Connect (Connect refers to the USB defined electrical state). The USB 2.0 specification defines a maximum connection time of 1 second. This is extended up to 5 seconds for products that the USB-IF determines are complex products. During this 5 second period, products are allowed to pull up to 500mA. This includes both USB 3.2 capable products and USB 2.0 capable products.
To determine if your product is considered by the USB-IF as a complex product please email techadmin@usb.org.
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Engineering and Technical Services Group