MAX14870 Single Brushed DC Motor Driver Carrier, (2961)

Ном. номер: 8001923815
Артикул: 2961
Производитель: Pololu Corporation
Фото 1/6 MAX14870 Single Brushed DC Motor Driver Carrier, (2961)
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Управление коллекторными электромоторами

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MAX14870 Single Brushed DC Motor Driver Carrier

Одноканальный модульный драйвер для коллекторных двигателей на чипе MAX14870 от Maxim. Эта компактный модуль, который предлагает широкий диапазон рабочего напряжения от 4.5 до 36В с выходным током 1.7А (2.5А пик) на один двигатель постоянного тока. Также, простой двухпиновый DIR/PWM интерфейс для управления направлением и контроля скорости), встроенная система защиты по току и перегреву.

Тип модуля: DC контроллер двигателя

Микросхема: MAX14870

Частота макс.: 50кГц

Выходной ток: 1.7А (2.5А пиковый на несколько секунд)

Входное напряжение двигателя: 4.5-36В

Кол-во каналов: 1

Интерфейс: PWM

Дополнительные функции: защита по току, термическая защита


Комплектация: модуль, 2 разъема

Размер платы: 15.2 x 12.7мм

Масса брутто: 0.5грамм

Применение: для работы с маломощными моторами, которые применяться в любительской робототехнике и в DIY проектах.

This compact breakout board is for Maxim’s MAX14870 motor driver, which offers a wide operating voltage range of 4.5 V to 36 V and can deliver a continuous 1.7 A (2.5 A peak) to a single brushed DC motor. It features a simple two-pin speed/direction interface and built-in protection against reverse-voltage, under-voltage, over-current, and over-temperature.

The MAX14870 from Maxim Integrated is a tiny H-bridge motor driver IC that can be used for bidirectional control of one brushed DC motor at 4.5 V to 36 V. It can supply up to about 1.7 A continuously and can tolerate peak currents up to 2.5 A for a few seconds, making it a good choice for small motors that run on a wide range of voltages. The MAX14870 is a great IC, but its small surface-mount package makes it difficult for the typical student or hobbyist to use; our breakout board makes it easy to use with standard solderless breadboards and 0.1″ perfboards. Since this board is a carrier for the MAX14870, we recommend careful reading of the MAX14870 datasheet (492k pdf). The board ships populated with SMD components, including the MAX14870 and a reverse battery protection circuit.

For similar motor drivers that operate at lower voltages, consider our BD65496MUV and DRV8838 motor driver carriers.


Single-channel H-bridge motor driver with shoot-through protection and internal free-wheeling diodes (can drive one DC motor)

Motor supply voltage: 4.5 V to 36 V

Output current: up to 1.7 A continuous (2.5 A peak)

No separate logic supply needed; inputs are 3V- and 5V-compatible

simple two-pin DIR/PWM interface (one pin controls direction and another controls speed)

Under-voltage lockout on the logic supply and protection against over-current/short-circuit and over-temperature

Carrier board adds reverse-voltage protection

Active-low fault output indicates over-current or over-temperature condition

Surface-mount resistor can optionally be added to enable automatic current limiting

Compact size (0.6″×0.5″)

Two 1×5-pin breakaway 0.1″ male headers are included with the MAX14870 motor driver carrier, which can be soldered in to use the driver with breadboards, perfboards, or 0.1″ female connectors. (The headers might ship as a single 1×10 piece that can be broken in half.) The right picture above shows the two possible board orientations when used with these header pins (parts visible or silkscreen visible). You can also solder your motor leads and other connections directly to the board.

General specifications:

Motor driver: MAX14870

Motor channels: 1

Minimum operating voltage: 4.5V

Maximum operating voltage: 36V

Continuous output current per channel: 1.7

Peak output current per channel: 2.5 A

Maximum PWM frequency: 50 kHz

Reverse voltage protection: Y

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