MAX14874ETC+ datasheet, PDF - EEWORLD Datasheet

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MAX14874ETC+: DescriptionMotor/Motion/Ignition Controller and Driver Dual A1/2 H Bridge Valve / Motor Driver; Categorysemiconductor Power management IC Motor/sport/ignition controller and driver; File Size345KB，13 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX14874ETC+ Overview

Motor/Motion/Ignition Controller and Driver Dual A1/2 H Bridge Valve / Motor Driver

MAX14874ETC+ Parametric

Parameter Name	Attribute value
Maker	Maxim
Product Category	Motor/Motion/Ignition Controllers and Drives
product	Brushed DC Motor Drivers
type	Motor Driver
Working power voltage	4.6 V to 36 V
Output current	2.5 A
Working power current	1 mA
Minimum operating temperature	- 40 C
Maximum operating temperature	+ 85 C
Installation style	SMD/SMT
Package/box	TDFN-EP-12
Encapsulation	Tube
Number of outputs	2 Output
working frequency	50 kHz
series	MAX14874
development kit	MAX14874EVKIT#
Pd-power dissipation	1951 mW
Factory packaging quantity	100

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EVALUATION KIT AVAILABLE

MAX14874

4.5V to 36V Dual Relay/Valve/Motor Driver

General Description

The MAX14874 dual push-pull driver provides a small

and simple solution for driving and controlling relays and

valves with voltages between 4.5V and 36V.

The MAX14874 is also designed to drive brushed DC

motors. Separate COM pins allow monitoring of individual

driver load currents. Peak currents up to 2.5A ensure for

PWM controlled large motor torque. Low driver on-resistance

reduces power dissipation.

The MAX14874 features a charge-pump-less design for

reduced external components and low supply current.

The MAX14874 features shoot-through protection and

internal free-wheeling diodes that absorb inductive

currents. Driver outputs are short-circuit protected against

shorts to the supply, and between M1 and M2. An

active-low

FAULT

output signals thermal overload and

overcurrents during fault conditions.

The MAX14874 is available in a 12-pin TDFN-EP (3mm

x 3mm) package and operates over the -40°C to +85°C

temperature range.

Benefits and Features

●

Drive More Power and Reduce Footprint

• Up to 2.5A Peak Motor Current

• Flexible 4.5V–36V Supply Enables Longer Runtime

• Small 3mm x 3mm TDFN-EP Package

●

Low Power Dissipation Runs Cooler and Longer

•

480mΩ

(typ) Bridge On-Resistance

●

Simplified Designs Reduces Time to Market

• Individual Current Sensing to Sense Voltages up

to 1V

• Charge-Pump-Less Architecture

• Independent Driver Control for Each Driver

●

Integrated Protection Provides Robust Driving Solutions

• Thermal Shutdown Undervoltage Lockout

• Diagnostic

FAULT

Output

• -40°C to +85°C Temperature Range

Applications

●

Valve and Relay Control

●

Motor Control

●

Coffee Machines

Ordering Information

appears at end of data sheet.

Functional Diagram

VDD

EN1

DRIVER

IN1

DRIVER

EN2

IN2

FAULT

DETECTION

MAX14874

GND

COM1

COM2

19-100010; Rev 0; 4/17

MAX14874ETC+ Related Products

	MAX14874ETC+	MAX14874ETC+T
Description	Motor/Motion/Ignition Controller and Driver Dual A1/2 H Bridge Valve / Motor Driver	Motor/Motion/Ignition Controller and Driver Dual A1/2 H Bridge Valve / Motor Driver
Maker	Maxim	Maxim
Product Category	Motor/Motion/Ignition Controllers and Drives	Motor/Motion/Ignition Controllers and Drives
product	Brushed DC Motor Drivers	Brushed DC Motor Drivers
type	Motor Driver	Motor Driver
Working power voltage	4.6 V to 36 V	4.6 V to 36 V
Output current	2.5 A	2.5 A
Working power current	1 mA	1 mA
Minimum operating temperature	- 40 C	- 40 C
Maximum operating temperature	+ 85 C	+ 85 C
Installation style	SMD/SMT	SMD/SMT
Package/box	TDFN-EP-12	TDFN-EP-12
Number of outputs	2 Output	2 Output
working frequency	50 kHz	50 kHz
series	MAX14874	MAX14874
development kit	MAX14874EVKIT#	MAX14874EVKIT#
Pd-power dissipation	1951 mW	1951 mW
Factory packaging quantity	100	2500
Encapsulation	Tube	Reel

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