| Mfr Part | Информационный лист | Производитель | Текущий рейтинг | Тип датчика | Время отклика | Рабочее напряжение питания | Тип выхода | Рабочая температура | Точность | Пакет / футляр | Ток питания (макс.) | Чувствительность | Функция |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A4989SLDTR-T |  |
ALLEGRO | Н/Д | Н/Д | рисайз ~120 нс | От 3 В до 5,5 В Логика | Цифровые выходы / выходы затвора | от -20 °C до +85 °C | Н/Д | TSSOP-38 | 200 мА | Н/Д | Двойной полномостовой MOSFET-драйвер |
A4989SLDTR-T
Производитель: Allegro MicroSystems
Логические ячейки: Microstepping motor driver IC
Логические срезы: DMOS full-bridge motor drive and control logic
Встроенная оперативная память (eRAM): –
Упаковка: TSSOP-28
Рабочая температура: от -40 °C до +105 °C
Технические характеристики
A4989SLDTR-T is an Allegro MicroSystems dual full-bridge MOSFET pre-driver with built-in microstepping translator, engineered to drive high-power 2-phase bipolar stepper motors ranging from 30W to 500W for industrial motion control equipment.
👉 It’s not a low-power miniature stepper driver IC.
👉 It’s a high-voltage, high-efficiency pre-driver solution for heavy-load industrial stepper motor control systems.
Key Features of A4989SLDTR-T Motor Driver IC
Motion control engineers and equipment manufacturers select A4989SLDTR-T for its comprehensive integrated drive performance and stable industrial-grade reliability:
- Integrated microstepping translator supporting full, 1/2, 1/4, and 1/16 microstep resolution
- Simple 2-wire STEP/DIR control interface for easy MCU system integration
- Dual full-bridge gate drive for external N-channel power MOSFETs
- Wide motor load voltage range: 12 V to 50 V for high-power motor applications
- Internal logic supply voltage supports 3 V to 5.5 V, compatible with 3.3V and 5V main control circuits
- Synchronous rectification design to boost power efficiency and cut heat loss
- Built-in cross-conduction protection to prevent MOSFET shoot-through damage
- Adjustable slow/mixed/fast decay modes to reduce motor noise and improve positioning accuracy
- Dual sinusoidal DAC integrated for precise fixed-off-time PWM current regulation
- Optimized low-current microstepping control for smooth low-speed motor operation
- Pin-to-pin compatible with A3986 for convenient product upgrade replacement
- 38-TFSOP surface mount package, tape-and-reel (TR) shipping format
- Industrial operating temperature range: -20°C to 85°C
- RoHS3 compliant lead-free packaging, stable long-term supply cycle
Типичные применения
Industrial CNC equipment and automated motion platforms
Factory automation robotic joints and linear actuators
High-power precision stepper motor drive modules
Medical imaging and lab analytical instruments
Commercial large-format printers and plotters
Packaging machinery and conveyor control systems
Semiconductor manufacturing handling equipment
Office automation large-scale precision positioning devices
LXB Semicon supplies original A4989SLDTR-T motor driver IC
