Документация
Микросхема A4989SLDTR-T
У поставщика
У поставщиков
219 шт.
Норм. уп.: 4000
Цены поставщиков
Склад 13
В наличии:219 шт
Срок поставки: до недели
Норм. уп.: 4000
Минимальная партия: 4 шт
| Кол-во, шт. | Цена, ₽ |
|---|---|
| от 1 | 341,40 |
| от 8 | 321,45 |
| от 15 | 305,19 |
| от 30 | 293,10 |
| от 59 | 284,10 |
Описание
Микросхема A4989SLDTR-T от Allegro MicroSystems — это драйвер двухфазных шаговых двигателей. Компонент поддерживает режимы микрошага и встроенную защиту от перегрузки по току и перегрева. Предназначен для использования в системах автоматизации, 3D-принтерах и станках с ЧПУ.
Технические характеристики
| Корпус | 38-pin TSSOP |
| Тип монтажа | SMD |
| Артикул | A4989SLDTR-T |
| Hold time min | 200ns |
| Wake time min | 1ms |
| Blank time max | 1.8µs |
| Blank time min | 1.2µs |
| Blank time typ | 1.5µs |
| Setup time min | 200ns |
| Package lead free | Да |
| Fixed off time max | 23.16µs |
| Fixed off time min | 18.12µs |
| Fixed off time typ | 20.4µs |
| Макс. напр. пит. | 50V |
| Мин. напр. пит. | 12V |
| Oscillator resistor | 10kΩ |
| Package lead finish | 100% matte tin |
| Cxx pin voltage range | -0.3V to Sxx+15V |
| Reset pulse width max | 1µs |
| Reset pulse width min | 0.2µs |
| Step low duration min | 1µs |
| Sxx pin voltage range | -2V to 55V |
| Ghx output voltage min | VBB - 0.2V |
| Ghxx pin voltage range | Sxx to Sxx+15V |
| Glx output voltage min | VREG - 0.2V |
| Glxx pin voltage range | -2V to 16V |
| Lssx pin voltage range | -2V to 5V |
| Pull up resistance max | 55Ω |
| Pull up resistance min | 30Ω |
| Pull up resistance typ | 40Ω |
| Step high duration min | 1µs |
| Crossover dead time max | 1.2µs |
| Crossover dead time min | 0.6µs |
| Load supply current max | 10mA |
| Logic input current max | 1µA |
| Logic input current min | -1µA |
| Sense pin voltage range | -1V to 1V |
| Макс. темп. хр. | 150°C |
| Мин. темп. хр. | -55°C |
| Тип упаковки | Tape and Reel (лента в катушке) |
| Current trip point error | ±5% |
| Макс. темп. перехода | 150°C |
| Logic supply current max | 10mA |
| Logic supply voltage max | 5.5V |
| Logic supply voltage min | 3.0V |
| Макс. частота генератора | 4.8MHz |
| Частота генератора мин. | 3.2MHz |
| Oscillator frequency typ | 4MHz |
| Pull down resistance max | 24Ω |
| Pull down resistance min | 14Ω |
| Pull down resistance typ | 19Ω |
| Regulator output current | 30mA |
| Logic input voltage range | -0.3V to 7V |
| Gate turn on rise time max | 160ns |
| Gate turn on rise time min | 80ns |
| Gate turn on rise time typ | 120ns |
| Logic input hysteresis min | 150mV |
| Logic input hysteresis typ | 300mV |
| Макс. напряжение питания | 50V |
| Gate turn off fall time max | 80ns |
| Gate turn off fall time min | 40ns |
| Gate turn off fall time typ | 60ns |
| Logic input low voltage max | 0.3VDD |
| Reference input current max | 3µA |
| Reference input current min | -3µA |
| Reference input voltage max | 2V |
| Reference input voltage min | 0.8V |
| Logic input high voltage min | 0.7VDD |
| Overtemperature shutdown typ | 165°C |
| Regulator output voltage max | 13V |
| Regulator output voltage min | 11.25V |
| Vdd undervoltage lockout max | 2.95V |
| Vdd undervoltage lockout min | 2.45V |
| Vdd undervoltage lockout typ | 2.7V |
| Описание (англ.) | Dual Full-Bridge MOSFET Driver with Microstepping Translator |
| Thermal resistance 1layer pcb | 127°C/W |
| Thermal resistance 4layer pcb | 51°C/W |
| Turn on propagation delay typ | 180ns |
| Vreg undervoltage lockout max | 8.5V |
| Vreg undervoltage lockout min | 7.5V |
| Vreg undervoltage lockout typ | 8V |
| Internal reference voltage max | 2.1V |
| Internal reference voltage min | 1.9V |
| Internal reference voltage typ | 2.0V |
| Load supply idle current reset | 100µA |
| Short circuit current sink max | 250mA |
| Short circuit current sink min | 160mA |
| Short circuit current sink typ | 200mA |
| Turn off propagation delay typ | 180ns |
| Logic supply idle current reset | 300µA |
| Short circuit current source max | -80mA |
| Short circuit current source min | -140mA |
| Short circuit current source typ | -110mA |
| Absolute max logic supply voltage | 7V |
| Operating ambient temperature max | 85°C |
| Operating ambient temperature min | -20°C |
| Bootstrap diode forward voltage max | 1V |
| Bootstrap diode forward voltage min | 0.6V |
| Bootstrap diode forward voltage typ | 0.8V |
| Overtemperature shutdown hysteresis typ | 15°C |
| Vdd undervoltage lockout hysteresis min | 50mV |
| Vdd undervoltage lockout hysteresis typ | 100mV |
| Vreg undervoltage lockout hysteresis min | 100mV |
| Vreg undervoltage lockout hysteresis typ | 200mV |
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