Power supply circuit

Example of power supply circuit using devices with various protection functions

Wi-Fi / Bluetooth solution

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 0.75 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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