Damper drive circuit

Example of a small size motor driving circuit for damper using MOSFETs

Damper drive circuit

Lineup

Stepping motor & Brushed DC motor driver IC

Part Number

TC78H621FNG

TC78H660FNG

VM [V]

18

20

IOUT [A]

1.1

2.0

Ron(upper and lower sum) (Typ.) [Ω]

0.8

0.48
Control Interface

ENABLE / PHASE inputs

ENABLE / PHASE inputs

Step

Full, Half step resolution
Feature Motor driving voltage: 2.5 V (Min) Motor driving voltage: 2.5 V (Min)
Abnormality detection function Over heat, Over current, Low voltage Over heat, Over current, Low voltage
Package TSSOP16 TSSOP16

Single-phase brushless DC motor driver IC

Part Number TC78B002FNG TC78B002FTG

VM [V]

18

IOUT [A]

1.5

Drive type

Single phase full wave drive
Features

PWM control

Soft switching drive

Quick start

Hall bias circuit

Error detection: Current limit, Thermal shutdown

Package SSOP16 WQFN16

MCU TXZ+TM3A Series M3H Group

Series Group Function
TXZ+™3A Series M3H Group

Arm® Cortex®-M3, 120 MHz operation,

2.7 to 5.5 V

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