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MPC17550 - Quad H-Bridge Micromotor Driver

General Description

Terminal Terminal Name Formal Name Definition 1 2 3 4 5, 9 6 8 10, 14 11 7, 12, 25, 30 13 15 16 17 18 19 20 21 22 23, 27 24 26 28, 32 AGND NC PSB OE VMA HBAF HBAR VMB HBBR PGND HBBF INAR INAF INBF INBR INDR INDF INCF INCR VMD HBDF HBDR VMC Analog Ground Analog and logic signal ground referen

Key Features

  • an on-board DC / DC boost converter that allows motor operation all the way down to 1.6 V (the boost converter supplies the gate-drive voltage for each of the four independent H-bridge output stages). Each output bridge has its own gate-drive and logic circuitry with built-in shoot-through current protection. The 17550 has four operating modes: Forward, Reverse, Brake, and Tri-Stated (High Impedance). The 17550 has a low total RDS(ON) of 1.2 Ω max @ 25°C. In addition, it can be set into a very l.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Freescale Semiconductor Advance Information Document Number: MPC17550 Rev. 2.0, 7/2006 Quad H-Bridge Micromotor Driver with DC/DC Boost Converter 17550 The 17550 is a monolithic quad H-Bridge power IC ideal for portable electronic applications containing tiny bipolar stepper motors and/or brush DC-motors powered by two-to-four cell NiCd/NiMH batteries. The 17550 operates from 2.5 V to 5.5 V, with independent control of each H-Bridge via parallel 3.0 V or 5.0 V logic-compatible I/O. The device features an on-board DC / DC boost converter that allows motor operation all the way down to 1.6 V (the boost converter supplies the gate-drive voltage for each of the four independent H-bridge output stages).