A3998 Overview
Key Specifications
Package: QFN
Mount Type: Surface Mount
Pins: 32
Operating Voltage: 50 V
Description
Designed to provide the motor driver and power supply requirements for printers and office automation equipment. This integrated power IC incorporates two high current, high performance, full bridge outputs, capable of 1.5 A at 50 V.
Key Features
- 3.3/5 V switching regulator
- 1 to 2.5 V configurable linear regulator output
- Dual DMOS full bridge: drive two DC motors or a single stepper motor
- ±1.5 A, 50 V output rating per bridge
- 4-bit microstepping capability
- Serial port control
- Configurable mixed, fast, and slow current decay
- Synchronous rectification for low power dissipation
- Internal UVLO and thermal shutdown circuitry
- Crossover-current protection
