Brushed DC motor drive circuit

Example of brushed DC motor drive circuit for HVAC

Brushed DC motor drive circuit

Lineup

Brushed DC motor driver for damper

Part number

TB9101FNG

TB9102FNG

Package

SSOP24-P-300-0.65A

(7.6 x 8.3 mm)

Power supply voltage [V]

7 to 18

7 to 18

Output current [A]

±1.0

±1.0

Allowable power dissipation [W]

1.32

1.32

On-resistance (High side / Low side) (Typ.) [Ω]

0.6 / 0.6 

0.5 / 0.5 

External interface

Direct input

SPI interface

Part number

TB9056FNG

TB9058FNG

Package

SSOP24-P-300-0.65A

Power supply voltage [V]

7 to 18

7 to 18

Output current [A]

0.3

0.3

Motor drive circuit type

H-bridge (1ch)

H-bridge (1ch)

On-resistance (High side / Low side) (Typ.) [Ω]

1.0 / 1.2

1.0 / 1.2
Communication method  LIN rev. 1.3 LIN rev. 1.3
(Enhanced checksum)

Power supply IC (for MCU)

Part number

TB9005FNG

Package

SSOP20-P-225-0.65A

(6.4 x 7.0 mm)

Current consumption ICC (Typ.) [μA]

90 (@VIN = 12 V, Ta = 25 °C)
Load stability VLOAD (Max) [%] 1 (@ILOAD = 1 to 300 mA)

Function

Number of outputs

1ch (5 V)

Circuit type External transistor type
WDT, Overcurrent limitation

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