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SI-6633M

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Package:QFN36

SI-6633M is a 3-phase brushless motor driver IC, with rated current of 2A(DC)/4A(peak)
Output DMOSFET, pre-drive, PWM current control, and protection functions are integrated into a single package. The device supports motor power voltage up to 30V.

Design Support

Related Documents

■Application Note
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Features

    ØMotor supply voltage range VBB=10~30V
    ØOutput DMOSFETs are integrated. Output current IOUT=2A(DC)/4A(peak)
    ØHall Input
    ØCurrent control function
    lFixed frequency PWM (Internal PWM) with peak current control
    lPWM control by speed control signal with analog voltage (External PWM)
    lPWM control by logic input (Logic PWM)
    lOver current protection
    lOver voltage protection
    lThermal shutdown
    lUnder voltage lock out
    lMotor lock detection
    *Alarm output pin (FLAG) is active when any protection is activated.
    ØMotor speed output by hall input transition (FG)
    ØSynchronous rectification with low power dissipation
    ØSelect for synchronous rectification (active/passive).
    ØStand-by mode
    *Although the device may be protected from damaged with protection circuit in the device from design point of view, it can’t be guaranteed the device being damaged by the protections in the device. In the design of set, please take care to avoid abnormal condition with all the countermeasures you can take.

Application

    Printers, industrial equipment

Specifications

Type
Maximum Supply Voltage 38.00 V
Output Current 4.0 A
On-Resistance 4.0 Ω
Output Method 120°
Input Method
OVP YES
OCP YES
UVLO YES
TSD YES
STP (Simultaneous ON Protection Feature) YES
Lock Detection YES

Block Diagram

Block Diagram

Pin Configuration Definitions

Pin Configuration Definitions

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