The 17529 is a monolithic dual H-Bridge power IC ideal for portable electronic applications containing bipolar step motors and/or brush DC-motors (e.g., cameras and disk drive head positioners).
The MPC17529 is a monolithic dual H-Bridge power IC designed for portable electronic applications, specifically for controlling bipolar step motors and brush DC motors. It features independent control of each H-Bridge via a parallel MCU interface compatible with both 3.0 V and 5.0 V logic levels.
The device operates from a motor supply voltage of 2.0 V to 6.8 V and includes an on-board charge pump, shoot-through current protection, and an undervoltage shutdown function. It supports four operating modes: Forward, Reverse, Brake, and Tri-Stated (High Impedance).
| Output Current (DC) | 0.7 A |
|---|---|
| Output Current (Peak) | 1.4 A |
| Motor Supply Voltage Range | 2.0 V to 6.8 V |
| Logic Supply Voltage Range | 2.7 V to 5.6 V |
| Driver Output ON Resistance (Typ) | 0.7 Ohm |
| Driver Output ON Resistance (Max) | 1.2 Ohm |
| Operating Junction Temperature | -20 to 150 °C |
| Pulse Input Frequency | up to 200 kHz |
It is ideal for portable electronic applications containing bipolar step motors and/or brush DC-motors, such as those found in cameras and disk drive head positioners.
Yes, the device features built-in shoot-through current protection and an undervoltage shutdown function.
The four operating modes are Forward, Reverse, Brake, and Tri-Stated (High Impedance).