System power circuit (Method without power controller)

Example of power supply control circuit without power management IC

System power circuit (Method without power controller)

Lineup

TVS diode

Part number DF2B7ASL DF2S14P2CTC DF2B5M4ASL DF2B6M4ASL DF2B6M4BSL
Package SL2 CST2C SL2 SL2 SL2
VESD [kV] ±30 ±30 ±16 ±15 ±8
VRWM (Max) [V] 5.5 12.6 3.6 5.5 5.5
Ct (Typ.) [pF] 8.5 270 0.15 0.15 0.12
RDYN (Typ.) [Ω] 0.2 0.08 0.7 0.7 1.05

Small signal MOSFET

Part number SSM6K513NU SSM6N55NU SSM6J507NU
Package UDFN6B UDFN6 UDFN6B
Polarity N-ch N-ch x 2 P-ch
VDSS [V] 30 30 -30
ID [A] 15 4 -10
RDS(ON) [mΩ] @VGS = 4.5 V
Typ. 8.0 48 19
Max 12 64 28

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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