MC34920 Datasheet (Motorola) - Quad H-Bridge Motor Driver

MC34920, Quad H-Bridge Motor Driver

Terminal 1 2 3 4 5 6, 7, 17, 18, 28, 29, 39, 40 8 9 10 11, 15, 16, 23, 30, 31, 35 12 13 14 19 20 21 22 24 25 Terminal Name Vb CP2 CP1 RESET Formal Name Output terminal to VVb Capacitor to CP1 Capacitor to CP2 Reset Output VCC Supply Voltage Substrate Ground V1 Regulator Feedback Input Mode Select f

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Document order number: MC34920 Rev 1.0, 01/2004 MOTOROLA SEMICONDUCTOR TECHNICAL DATA Advance Information 2.8 Ω (Typ) Quad H-Bridge Motor Driver The 34920 is a multifunctional analog ASIC.

The 34920 integrates two circuits, four H-bridge drivers, a reset circuit in a single IC, and two DC/DC switching voltage regulators.

Input voltage is 21 V to 42 V DC.

Each motor of the two driver blocks can be configured as either a DC motor driver with pul

MC34920 Features

* Individual Thermal Limit Protection

* User-Selectable Motors: 2 DC Motors (2.4 A/Motor), 2 Step Motors (W1-2 Phase Control), 1 DC Motor and 1 Step Motor

* 2 Buck Regulators (Switching @ 200 kHz)

* VV2 Output Voltage Is Programmable to 10 V to 15 V DC (Externally Set