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MAX14872 - Compact 4.5V to 36V Full-Bridge DC Motor Drivers

Download the MAX14872 datasheet PDF. This datasheet also covers the MAX14870 variant, as both devices belong to the same compact 4.5v to 36v full-bridge dc motor drivers family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX14870/MAX14872 motor drivers provide a small, low-power and simple solution for driving and controlling brushed DC motors and relays with voltages between 4.5V and 36V.

Very low driver on-resistance reduces power dissipation.

Key Features

  • shoot-through protection and internal free-wheeling diodes that absorb inductive motor currents. Driver outputs are short-circuit-protected from shorts to ground, to the supply, and between M1 and M2. An active-low FAULT output signals thermal overload and overcurrents during fault conditions. The MAX14870 has PWM and direction-control inputs, while the MAX14872 has forward and reverse inputs for direction control. See the Function Tables. The MAX14870/MAX14872 are available in a 12-pin (3mm x 3.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX14870-Maxim.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX1487 Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX14870 Compact 4.5V to 36V Full-Bridge DC Motor Drivers
MAX14871 4.5V to 36V Full-Bridge DC Motor Driver
MAX148 +2.7V to +5.25V / Low-Power / 8-Channel / Serial 10-Bit ADCs
MAX1481 RS-485/RS-422 Transceivers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
EVALUATION KIT AVAILABLE MAX14870/MAX14872 Compact 4.5V to 36V Full-Bridge DC Motor Drivers General Description The MAX14870/MAX14872 motor drivers provide a small, low-power and simple solution for driving and controlling brushed DC motors and relays with voltages between 4.5V and 36V. Very low driver on-resistance reduces power dissipation. These drivers feature a charge-pump-less design for reduced external components and low supply current. Integrated fast-decay current regulation allows useradjustable peak startup motor currents and requires minimal external components. A separate voltage-sense input (SNS) reduces current sensing errors due to parasitic trace resistance.