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MAX14870 Datasheet PDF

Part Series:MAX14870 Series
Category:Motor Drivers
Description:Full-Bridge DC Motor Driver 4.5V to 36V 12Pin TDFN T/R
Document:MAX14870ETC+T Datasheet PDF (16 Pages)

MAX14870 Motor Drivers Datasheet PDF

MAX14870ETC+T - Maxim Integrated Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
12 Pin
Supply Voltage (DC)
4.50V (min)
Case/Package
TDFN-12
Number of Outputs
2 Output
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MAX14870ETC+T - Maxim Integrated Function Overview

The MAX14870ETC+T is a compact 4.5V to 36V full bridge DC motor driver in 12 pin TDFN package. It is 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. This driver has charge pump less design for reduced external components and low supply current. Integrated fast decay current regulation allows user adjustable peak start-up motor currents and requires minimal external components. A separate voltage sense input (SNS) reduces current sensing errors due to parasitic trace resistance. The MAX14870 has shoot through protection and internal freewheeling diodes that absorb inductive motor currents. An active-low FAULT output signals thermal overload and overcurrents during fault conditions. The MAX14870 has PWM and direction control inputs. It is used in vending and gaming machines.
Supply voltage range from 4.5V to 36V
Operating temperature range from -40°C to 85°C
Small package handles high power and reduces footprint circuit size
Up to 2.5A peak motor current and driver overload current limit of 3A
Integrated protection provides robust driving solution, low power consumption runs cooler and longer
Driver output resistance (high side + low side) of 280mohm at TJ = +25°C
1mA supply current at 30KHz/24V and 10µA maximum standby current at VDD = 12V
Simplified designs reduces time to market charge pumpless architecture
PWM frequency of 50KHz
Short circuit protected driver, thermal shutdown and undervoltage lockout
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