Surge voltage protection

Example of surge voltage protection circuit for power supply line

Surge voltage protection

Lineup

TVS diode

Part number DF2B7BSL DF2B20M4SL DF2B5PCT DF2B7PCT DF2S14P2CTC DF2B7AFU
Package SL2 CST2 CST2C USC
VESD [kV] ±30 ±15 ±30 ±30 ±30 ±30
VRWM (Max) [V] 5.5 18.5 3.6 5.5 12.6 5.5
C(Typ.) [pF] 12 0.2 41 45 270 8.5
RDYN (Typ.) [Ω] 0.2 0.2 0.1 0.1 0.08 0.2

Electronic fuse (eFuse IC)

Part number

TCKE800NA

TCKE800NL

TCKE805NA

TCKE805NL

TCKE812NA

TCKE812NL

TCKE712BNL
Package

WSON10B

3.0 x 3.0 x 0.75 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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