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Other Tested AC-DC PSU's

(Using the Extended Test Kit or the Compact Power Supply Test Board)

NB: Some PSU's logged here are not normally used for "USB Power" and are marked thus: icon-error.png

Apple iPhone Charger A1399

DSCN0887cs.jpg

DSCN0888cs.jpg

P1000986rcs.JPG

iPhone_A1399.jpg

Slope resistance: 0.56 Ω1, Vmax: 4.5 V2, Ibrownout: ~0.8 A3(Black, 2013)
Slope resistance: 0.25 Ω4, Vmax: 4.8 V2(Red, 2015)

Purple A1399 Clone

DSCN0939cs.jpg

DSCN0940cs.jpg

Purple_A1399_Clone.jpg

Unusual "low-current" behaviour with current-limiting occuring at ~550mA

Acer Tablet PSU, model KP10001001

P1020557rcs.JPG
P1020558crs.JPG

P1020559rcs.JPG
P1020557rrcsg.JPG

AcerKP1001001.jpg

Slope resistance: 0.25 Ω5, 4.6 V6, Ibrownout: ~2.0 A3

Amazon Kindle Fire 7 charger

(Model FABK7B, 5W, 5.0V 1.0A)

P1030727rcs.JPG

AmazonKindleFire7Chgr.jpg

Slope resistance: 0.19 Ω7, 5.04 V2

Film Scanner PSU SL-0106-5V1A-E

(As supplied with this Film Scanner)

DSCN1426cs.jpg

DSCN1427cs.jpg
DSCN1427ccs.jpg

7DayShopFilmScannerPSU.jpg

Slope resistance: 0.49 Ω4, Vmax: 5.0 V2

FX Factory Dual Charger TR9202-MICRO

(Cable length ~1.5m)

DSCN1097cs.jpg

DSCN1097rcs.jpg
DSCN1098cs.jpg

FX_TR9202.jpg

Main O/P (Black) Slope resistance: 0.24 Ω4 8, Vmax: 4.9 V2

Second O/P (Red) Slope resistance9: 0.45 Ω4, Vmax: 4.7 V2

Both O/P's (Green) Slope resistance9: 0.15 Ω4, Vmax: 4.8 V10

HTC TC B250

DSCN0883lcs.jpg

DSCN0884lcs.jpg

HTC_TC_B250.jpg

Slope resistance: 0.72 Ω11 (Vmax: 4.4 V2)
Slope resistance: 1.5 Ω12, Vmax: 4.1 V2

iomega Zip Drive PSU (FE4823 050E100, 5V 1000mA)

(PSU supplied with an early, parallel-port Zip Drive, cable length ~2.05m) icon-error.png

DSCN1019cs.jpg

IomegaZipDrivePSU.jpg

Slope resistance: 0.73 Ω13, Vmax: 4.3 V2

Linksys AD 5/2C 5V 2A PSU

(PSU supplied with a NSLU2, cable length ~1.9m) icon-error.png

DSCN0970cs.jpg

DSCN0970ccs.jpg

LinksysAD5_2C.jpg

Slope resistance: 0.43 Ω4, Vmax: 5.0 V2, 4.6 V10

MW MWUSB3UK

P1000524rcs.JPG

P1000525rcs.JPG
P1000526cs.JPG

MW_MWUSB3UK.jpg

Slope resistance: 0.36 Ω11, Vmax: 4.4 V6, Ibrownout: ~1.4 A3

Optimum (B & M) 268971

("in-car" 12/24V in, 5V 1000mA charger included with this device)

DSCN0883rcs.jpg

DSCN0884rcs.jpg

Optima_B_M_268971.jpg

Slope resistance: 0.50 Ω14, Vmax: 4.7 V2

Optimum (B & M) 285307 4-Port USB PSU

DSCN1675cs.jpg

DSCN1676cs.jpg

DSCN1677cs.jpg

Optima_B_M_285307_4P.jpg

Slope resistance: 0.24 Ω4, Vmax: 4.7 V6
Slope resistance: 0.50 Ω13, Vmax: 4.1 V6

Pluscom 5V 1.5A Hub PSU

(PSU supplied with the Pluscom 3-port Hub & Card Reader)

DSCN0986ccs.jpg

PluscomComboPSU.jpg

Slope resistance: 0.54 Ω15, Vmax: 4.8 V2, 4.5 V16

Polaroid Dual 5V 2A Mains Adapter MW3FU2UK

P1040027rrcs.JPG P1040028rrcs.JPG P1040029rrcs.JPG

PolaroidDualPort2A.jpg

Slope resistance: 0.46 Ω17, Vmax: 4.21 V10, Ibrownout: ~1.14 A3

Samsung TC E250

(Cable length ~1.1 m)

DSCN0929cs.jpg

DSCN0928cs.jpg

Samsung_TC_E250.jpg

Slope resistance: 1.1 Ω18 (Vmax: 3.9 V2)
Slope resistance: 3.3 Ω12, Vmax: 2.9 V2

Samsung ETA0U10UBE

(Cable length ~1.5 m)

P1000520rcs.JPG

P1000522rcs.JPG
P1000521cs.JPG

Samsung_ETA0U10UBE.jpg

Samsung ETA0U83UWE

P1020900rcs.JPG

P1020901rcs.JPG
P1020902rcs.JPG

Samsung_ETA0U83UWE.jpg

Samsung EP-TA11UWE

P1010525cs.JPG

P1010526rcs.JPG
P1010527rcs.JPG

Samsung_EP-TA11UWE.jpg

Slope resistance: 0.20 Ω17, Vmax: 4.8 V10

Samsung EP-TA20UWE

P1050167rcs.JPG

P1050168rcs.JPG
P1050169rcs.JPG

Samsung_EP-TA20UWE.jpg

SanDisk PSU

(for the SanDisk Photo Album, cable length ~1.9m)

DSCN0520rrc2.jpg

SanDiskPhotoAlbumPSU.jpg

Slope resistance: 0.47 Ω19, Vmax: 4.7 V2

Targus "-5.0V" PSU

(Supplied with this Mobile Port Replicator)

DSCN1579crs.jpg

DSCN1580css.jpg
DSCN1581rcs.jpg
NB. Centre Pin is Negative

TargusPortRepPSU.jpg

Slope resistance: 0.34 Ω4, Vmax: 4.7 V10

Universal AC Adapter - USB Power Port

DSCN0930rcs.jpg

DSCN0932rcs.jpg DSCN0934crs.jpg

Universal_AC_Adapter.jpg

Slope resistance: 0.73 Ω20 (Vmax: 4.8 V2)
Slope resistance: 14 Ω21, Vmax: <0.0 V2
(Typical "Over-current-limited" behaviour, with the "knee" at ~500mA)

Yuconn LA-530WF

P1050600rrcs.JPG

YuconnLA-530WF.jpg

Slope resistance: 0.09 Ω7, 5.20 V22

Other Tested DC-DC PSU's

(Using the Extended Test Kit)

Optimum (B & M) 268971 "In-Car" Charger 10A15A

DSCN1706cs.jpg

DSCN1707cs.jpg
DSCN1709cs.jpg

DSCN1710cs.jpg

Optima_B_M_268971_CC_10A15A.jpg

Slope resistance: 0.55 Ω18 (Vmax: 4.7 V2)
Current Limit Slope resistance: 28.2 Ω23, Imax ~720mA @ 0.0V

YwRobot Breadboard PSU

DSCN1711cs.jpg

DSCN1712cs.jpg

undercon.png

"Arduino Car" Voltmeter/Buck Module

P1000281rcsa.JPG

P1000282rcs.JPG

ArduinoCarBuckConv.jpg


  1. Between 6th. & 11th. data points (1)

  2. Imax 1000mA (2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19)

  3. Vbrownout 4.6 V (20 21 22 23)

  4. Between 5th. & 12th. data points (24 25 26 27 28 29 30 31)

  5. Between 4th. & 8th. data points (32)

  6. Imax 2100mA (33 34 35 36)

  7. Between 6th. & 8th. data points (37 38)

  8. cf. measured cable resistance of 0.2 ±0.05 Ω (39)

  9. Includes USB hub cable (40 41)

  10. Imax 2000mA (42 43 44 45 46)

  11. Between 5th. & 11th. data points (47 48)

  12. Between 11th. & 12th. data points (49 50)

  13. Between 6th. & 12th. data points (51 52)

  14. Between 8th. & 12th. data points (53)

  15. Between 3rd. & 12th. data points (54)

  16. Imax 1500mA (55)

  17. Between 5th. & 8th. data points (56 57)

  18. Between 5th. & 9th. data points (58 59)

  19. Between 7th. & 12th. data points (60)

  20. Between 3rd. & 9th. data points (61)

  21. Between 9th. & 12th. data points (62)

  22. Imax 3000mA (63)

  23. Between 10th. & 12th. data points (64)


2019-02-13 17:23