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Lid and seat open/close brushed DC motor drive circuit (with MCD)

Example of brushed DC motor drive circuit using MCD with H-bridge

Lid and seat open/close brushed DC motor drive circuit (with MCD)

Lineup

1ch brushed DC motor driver (Built-in MOSFET)

Part number

TB67H450AFNG

TB67H451AFNG
Motor type Brushed DC motor
Output voltage [V]

50

Output current [A]

3.5

Output on-resistance (High side + Low side)
(Typ.) [Ω]

0.6

Output circuit

1 circuit

Control interface 1 mode
Phase mode 2-phase, 1-2 phase excitation
Abnormality detection function Thermal shutdown, over current, under voltage lockout
Package

HSOP8

2ch brushed DC motor driver (Built-in MOSFET)

Part number

TB67H400AFNG
TB67H400AFTG
TB67H400AHG
TB67H400ANG

TB67H410FTG
TB67H410NG
Motor type Brushed DC motor
Output voltage [V]

50

Output current [A]

4.0 (Small mode)

2.5 (Small mode)

Output on-resistance (High side + Low side)
(Typ.) [Ω]

0.49 (Small mode)

0.8 (Small mode)
Output circuit

2 circuits (Small mode)

Control interface 4 modes
Step resolution / excitation mode 1/1, 1/2 step (2-phase, 1-2 phase excitation)
Abnormality detection function Thermal shutdown, over current, power on reset
Package

HTSSOP48 / WQFN48 /
HZIP25 / SDIP24

WQFN48 / SDIP24

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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