MAX14872
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MAX14872

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

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Industry’s Smallest 4.5V–36V DC Brushed Motor Drivers/Relay Drivers

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Models 2
1ku List Price Starting From $1.98
Features
  • Small Package Handles High Power and Reduces Footprint Circuit Size
    • Up to 2.5A Peak Motor Current
    • Space-Saving TDFN-EP (3mm x 3mm) Package
    • Flexible 4.5V–36V Supply Enables Longer Runtime on Batteries
  • Low Power Consumption Runs Cooler and Longer
    • 280mΩ (typ) Total Bridge On-Resistance
    • 1mA (typ) Supply Current at 30kHz/24V
    • 10µA (max) Standby Current at 12V
  • Simplified Designs Reduces Time to Market
    • Charge-Pump-Less Architecture
    • Current Regulation Only Requires a Sense Resistor
    • Current-Sense Input Simplifies PCB Layout
  • Integrated Protection Provides Robust Driving Solution
    • Short-Circuit-Protected Drivers
    • Thermal-Shutdown Undervoltage Lockout
    • Diagnostic Active-Low FAULT Output
    • -40°C to +85°C Temperature Range
Additional Details
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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 user-adjustable peak startup motor currents and requires minimal external components.

A separate voltage-sense input (SNS) reduces current sensing errors due to parasitic trace resistance.

The MAX14870/MAX14872 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 in the data sheet.

The MAX14870 and MAX14872 are available in a 12-pin (3mm x 3mm) TDFN-EP package and operate over the -40°C to +85°C temperature range.

Applications

  • Printers and Scanners
  • Relay Drivers
  • Vending and Gaming Machines
Part Models 2
1ku List Price Starting From $1.98

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Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX14872ETC+
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MAX14872ETC+T
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Part Models

Product Lifecycle

PCN

Apr 27, 2024

- 2400

ASSEMBLY

MAX14872ETC+

PRODUCTION

MAX14872ETC+T

PRODUCTION

Apr 23, 2024

- 2419N

ASSEMBLY

MAX14872ETC+

PRODUCTION

MAX14872ETC+T

PRODUCTION

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Apr 27, 2024

- 2400

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ASSEMBLY

MAX14872ETC+

PRODUCTION

MAX14872ETC+T

PRODUCTION

Apr 23, 2024

- 2419N

arrow down

ASSEMBLY

MAX14872ETC+

PRODUCTION

MAX14872ETC+T

PRODUCTION

Software & Part Ecosystem

Evaluation Kits 1

MAX14870EVKIT

Evaluation Kit for MAX14870 and MAX14872

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MAX14870EVKIT

Evaluation Kit for MAX14870 and MAX14872

Evaluation Kit for MAX14870 and MAX14872

Features and Benefits

  • Operates from a Wide 4.5V to 36V Supply
  • Standalone or Software-Controlled Operation
  • Proven PCB Layout
  • Fully Assembled and Tested
  • PMOD Compatible Connector

Product Detail

The MAX14870 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX14870 fullbridge DC motor driver.

The EV kit can also be used to evaluate the MAX14872.

Applications

  • Printers and Scanners
  • Relay Drivers
  • Vending and Gaming Machines

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