LED drive circuit

Examples of LED drive circuit using a MOSFET as a low side switch

LED drive circuit

Lineup

U-MOS Series MOSFET (30 V / 40 V)

Part number

TPWR6003PL

TPWR8004PL

TPHR7404PU

TPHR8504PL

Package

DSOP
Advance
SOP
Advance

VDSS [V]

30

40

40

40

ID [A]

150 (412*)

150 (340*)

150 (400*)

150 (340*)

RDS(ON) [mΩ] @VGS = 10 V

Typ.

0.36

0.65

0.51

0.7

Max

0.6

0.8

0.74

0.85

Polarity N-ch N-ch N-ch N-ch
Generation U-MOSⅨ-H U-MOSⅨ-H U-MOSⅨ-H U-MOSⅨ-H

* : Silicon limit

U-MOS Series MOSFET (80 V)

Part number

TPH2R408QM TPH4R008QM TPN8R408QM TPN12008QM TPN19008QM TK5R1P08QM TK6R9P08QM

Package

SOP
Advance(N)
TSON
Advance
DPAK

VDSS [V]

80 80 80 80 80 80 80

ID [A]

120 (200*) 86 (140*) 32 (77*) 26 (60*) 34 (38*) 84 (105*) 62 (83*)
RDS(ON) [mΩ] @VGS = 10 V

Typ.

1.9 3.1 6.5 9.6 14.7 4.2 5.5

Max

2.43 4 8.4 12.3 19 5.1 6.9
Polarity N-ch N-ch N-ch N-ch N-ch N-ch N-ch
Generation U-MOSⅩ-H U-MOSⅩ-H U-MOSⅩ-H U-MOSⅩ-H U-MOSⅩ-H U-MOSⅩ-H U-MOSⅩ-H

* : Silicon limit

MCU

Part number

TMPM381FWFG

TMPM383FSUG

Maximum operation frequency

40 MHz

40 MHz

Instruction ROM

128 KB

64 KB

RAM

10 KB

8 KB

Timer 16bit x 8ch 16bit x 8ch
UART / SIO 3ch 2ch
UART (50 % duty) 1ch 1ch
AD Converter 18ch (12bit) 10ch (12bit)

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