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XP20001PD

by Energizer

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USB Power Delivery Charging and More with the Travel Friendly Energizer XP20001PD USB-C 45W PD Power Hub

With various fast charge combo in a single charger, the Energizer XP20001PD USB-C 45W PD Power Hub allows you to charge your Mac or multiple devices quickly. Like other similar chargers such as the Innergie PowerGear USB-C 45 and Perigears 45W USB-C PD Wall Charger, the Energizer power hub provides USB Type-C based USB Power Delivery charging up to 45 watts. You can charge your latest iPhone fast at 9-12 volts or power your Mac at 15-20 volts. The hub also has four USB Type-A outputs to offer a total 21 watts of legacy charging for various smartphones and tablets or iPhone's and iPad's. 

The Energizer XP20001PD USB-C 45W PD Power Hub came bundled with a USB Type-C to Type-C charging cable, a USB Type-A to Micro-B charging cable and instruction sheet.

It's fastest to charge your USB Power Delivery capable devices like the Apple MacBook 12" Retina 2017 directly using the supplied USB Type-C to Type-C cable or a USB Type-C to Lightning cable for your iPhone X. You can also use a USB Type-C to Type-A cable if you want to charge non USB Power Delivery capable devices like the Huawei P9 phone or any other standard smartphones and tablets. 

The USB Type-C port has dual role power capabilities to be able to power other devices as well as keep the Energizer hub charged. Energizer claims on the bottom of its casing to support 15 watts (5 volts @ 3 amps), 27 watts (9 volts @ 3 amps), 36 watts (12 volts @ 3 amps), 45 watts (15 volts @ 3 amps) and 45 watts (20 volts @ 2.25 amps) of output charging using USB Power Delivery 2.0. It also supports 15 watts (5 volts @ 3 amps), 27 watts (9 volts @ 3 amps), 36 watts (12 volts @ 3 amps), 36 watts (15 volts @ 2.4 amps) and 36 watts (20 volts @ 1.8 amps) for charging in. 

The USB Type-A ports can at most supply 21 watts (5 volts @ 4.2 amps) on an aggregate basis to charge up to four devices simultaneously.

Other than the USB Type-C port, the Energizer hub can also be charged through its Micro-B port up to 10 watts (5 volts @ 2 amps) when plugged in with the supplied USB Type-A to Micro-B cable accessory. Somehow the USB Type-C port is easy to get confused with the Micro-B port which are on opposite sides of the charger.

Before using the Energizer XP20001PD USB-C 45W PD Power Hub, it's advisable to go through some safety precautions as listed on its product page

Using the USB Power Test App from Granite River Labs with the Granite River Labs USB Power Delivery Compliance C2 Tester, we performed the following tests for the Energizer XP20001PD USB-C 45W PD Power Hub.

The USB Power Test App first negotiates a power contract for every PDO supported by the Energizer hub, and increases the load gradually to find the threshold where over current protection (OCP) kicks in and voltage and current start to drop for safety reasons.

Port1 Plot

The USB Power Test App reports out all the PDO's supported by the Energizer hub and their OCP thresholds. OCP thresholds for the Energizer hub are set at about 6-27% above the maximum current levels for the fixed PDO's.

PDOOCP (A)
PDO#1 Fixed: 5V 3A3.2
PDO#2 Fixed: 9V 3A3.63
PDO#3 Fixed: 12V 3A3.8
PDO#4 Fixed: 15V 3A3.21
PDO#5 Fixed: 20V 2.25A2.44

The USB Power Test App from Granite River Labs also produces an I-V curve which graphically shows the relationship between voltage and current for each PDO. We can observe as the current increases beyond the OCP threshold, the voltage immediately shuts off for all PDO's except for the 9V PDO. The 9V PDO displays current fold-back behavior where as the current increases beyond the OCP threshold, the voltage starts to bend down rather than immediately shutting off.

IV Curve

Since the Energizer XP20001PD USB-C 45W PD Power Hub is a multi port power hub, the USB Power Test App can be used to determine whether each output port of the hub is able to supply power independently. For every PDO supported by the Energizer hub, the USB Power Test App increases the load gradually for both the USB Type-C and Type-A ports to detect any power loss at the highest load limit for each port.

USB Type-C Port

Port1 Plot

USB Type-A Port

Port2 Plot

The USB Power Test App reports out the voltage, current and load limits for all the PDO's supported by the Energizer hub for each port.

Port1 PDOPort2 PDOPort1 (V)Port1 (A)Port1 Loading(%)Port2 (V)Port2 (A)Port2 Loading(%)
PDO#1 Fixed: 5V 3A 4.912.96100% (14.5W)   
PDO#1 Fixed: 5V 3APDO#1 Fixed: 5V 1.5A4.882.9699.7%4.881.5 
PDO#2 Fixed: 9V 3A 8.92.99100% (26.6W)   
PDO#2 Fixed: 9V 3APDO#1 Fixed: 5V 1.5A8.862.9999.75%4.871.49 
PDO#3 Fixed: 12V 3A 11.882.99100% (35.5W)   
PDO#3 Fixed: 12V 3APDO#1 Fixed: 5V 1.5A11.842.9999.84%4.861.5 
PDO#4 Fixed: 15V 3A 14.853100% (44.5W)   
PDO#4 Fixed: 15V 3APDO#1 Fixed: 5V 1.5A14.82399.78%4.861.5 
PDO#5 Fixed: 20V 2.25A 19.832.26100% (44.8W)   
PDO#5 Fixed: 20V 2.25APDO#1 Fixed: 5V 1.5A19.82.2699.83%4.881.49 
 PDO#1 Fixed: 5V 1.5A   4.931.5100% (7.4W)
PDO#1 Fixed: 5V 3APDO#1 Fixed: 5V 1.5A4.882.96 4.881.599.16%
PDO#2 Fixed: 9V 3APDO#1 Fixed: 5V 1.5A8.862.99 4.871.4998.55%
PDO#3 Fixed: 12V 3APDO#1 Fixed: 5V 1.5A11.842.99 4.861.598.65%
PDO#4 Fixed: 15V 3APDO#1 Fixed: 5V 1.5A14.823 4.861.598.65%
PDO#5 Fixed: 20V 2.25APDO#1 Fixed: 5V 1.5A19.82.26 4.881.4998.68%

Using the USB Power Delivery Compliance C2 Tester from Granite River Labs to run just a subset of the full USB Power Delivery compliance test suite,  some compliance failures were observed for the Energizer XP20001PD USB-C 45W PD Power Hub.

USB-IF High Level Mapping Summary

Sl No

Test Category

Test Group Description

Test Result

1

PHY_PRIMARY_TX

BMC Physical Layer Transmitter

PASS

2

PHY_PRIMARY_RX

BMC Physical Layer Receiver

PASS

3

PHY_PRIMARY_MISC

BMC Physical Layer Miscellaneous

PASS

4

PROT_PRIMARY

Protocol Specific Primary

FAIL

5

POWER_PRIMARY

Power Source/Sink Primary

PASS

Result Summary

Sl No

Test ID

Test Name

Test Result

1

TDA.2.1.1.1

TDA.2.1.1.1 BMC PHY TX EYE

PASS

2

TDA.2.1.1.2

TDA.2.1.1.2 BMC PHY TX BIT

PASS

3

TDA.2.1.2.2

TDA.2.1.2.2 BMC PHY RX INT REJ

PASS

4

TDA.2.1.2.1

TDA.2.1.2.1 BMC PHY RX BUSIDL

PASS

5

TDA.2.1.3.1

TDA.2.1.3.1 BMC PHY TERM

PASS

7

TDA.2.2.1

TDA.2.2.1 BMC PROT SEQ GETCAPS

PASS

8

TDA.2.2.3

TDA.2.2.3 BMC PROT SEQ DRSWAP

FAIL

9

TDA.2.2.4

TDA.2.2.4 BMC PROT SEQ VCSWAP DFP

PASS

11

TDA.2.2.6

TDA.2.2.6 BMC PROT SEQ PRSWAP

FAIL

12

TDA.2.2.7

TDA.2.2.7 BMC PROT BIST NOT 5V SRC

PASS

13

TDA.2.2.8

TDA.2.2.8 BMC PROT REV NUM

PASS

14

TDA.2.2.9

TDA.2.2.9 BMC PROT GSC REC

PASS

15

TDA.2.2.10

TDA.2.2.10 BMC PROT IGN PPS

PASS

16

TDA.2.3.1.1

TDA.2.3.1.1 POW SRC LOAD P PC

PASS

17

TDA.2.3.1.2

TDA.2.3.1.2 POW SRC LOAD CP ACC

PASS

18

TDA.2.3.2.1

TDA.2.3.2.1 POW SRC TRANS P PC

PASS

19

TDA.2.3.2.2

TDA.2.3.2.2 POW SRC TRANS CP ACC

PASS

20

TDA.2.3.3.2

TDA.2.3.3.2 POW SNK TRANS PC

PASS

BMC Eye Diagram


Eye Diagram 

The Energizer XP20001PD USB-C 45W PD Power Hub also supports different voltage and current levels for charging, as seen in the below load trace diagram captured using the GRL-USB-PD C2 Compliance Test Solution App.

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