Power supply circuit (USB type)

Example of the power management and ESD protection circuit when USB is in use

Power supply circuit (USB type)

Lineup

TVS diode

Part number DF2B6M4SL DF2B6M4BSL DF2B20M4SL DF2B5BSL DF2B5PCT DF2B7PCT
Package SL2 CST2
VESD [kV] ±20 ±8 ±15 ±23 ±30 ±30
VRWM (Max) [V] 5.5 5.5 18.5 3.3 3.6 5.5
Ct (Typ.) [pF] 0.2 0.12 0.2 11 41 45
RDYN (Typ.) [Ω] 0.5 1.05 0.2 0.2 0.1 0.1
Purpose Signal line Signal line Signal line
Power line
Power line Power line Power line
Audio line

Electronic Fuse (eFuse IC)

Part number

TCKE800NA

TCKE800NL

TCKE805NA

TCKE805NL

TCKE812NA

TCKE812NL

TCKE712BNL

Package

WSON10B

3.0 x 3.0 x 0.7 mm

WSON10

3.0 x 3.0 x 0.75 mm

VIN [V] 4.4 to 18 4.4 to 13.2

RON (Typ.) [mΩ]

28

53
Return function NA: Automatic return, NL: Latch type (external signal control) Latch type (external signal control)
VOVC (Typ.) [V] - 6.04 15.1 Adjustable

N-ch MOSFET gate driver IC

Part number VIN_OVLO
Min / Max [V]
VGS
Typ. / Max [V]
N-ch MOSFET type
can be driven
Package
TCK401G Over 28 Max 10
(VIN ≥ 12 V)
Single high side
Common Source
WCSP6E
TCK402G
TCK420G 26.50 / 28.50 10 / 11
(VIN ≥ 5 V)

Single high side

Common Drain

WCSP6G
TCK421G 22.34 / 24.05
TCK422G
13.61 / 14.91
TCK423G 13.61 / 14.91 5.6 / 6.3
TCK424G 10.35 / 11.47
TCK425G 5.76 / 6.87

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