L6474HTR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

L6474HTR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW37228637
Category

Motor Driver
Package

HTSSOP-28
Description

**StepMotDr 3A 45V SOP-28 SMD **
Documentation

Datasheet

L6474HTR Global Supplier

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L6474HTR Specifications

Attribute	Attribute Value

Part Number	L6474HTR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW37228637
Category	Motor Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	HTSSOP-28
Output Current	3 A
Rise Time	300 ns
Fall Time	375 ns
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3.3V, 5V
Input Voltage	8 V
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Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The L6474 device, realized in analog mixed signal technology, integrates a dual low RDS(on)DMOS full bridge with all power switches equipped with an accurate on-chip current sensing circuitry suitable for non-dissipative current control and overcurrent protections. Thanks to a new current control, a 1/16 microstepping is achieved through an adaptive decay mode which outperforms traditional implementations.
All data registers, including those used to set analogue values (i.e.: current control value, current protection trip point, deadtime, etc.) are sent through a standard 5 Mbit/s SPI.
A very rich set of protections (thermal, low bus voltage, overcurrent) makes the L6474 device “bullet proof” as required by the most demanding motor control applications.
**Key Features**
Operating voltage: 8 - 45 V
7.0 A output peak current (3.0 Ar.m.s. )
Low RDS(on) power MOSFETs
Programmable power MOS slew rate
Up to 1/16 microstepping
Current control with adaptive decay
Non-dissipative current sensing
SPI interface
Low quiescent and standby currents
Programmable non-dissipative overcurrent protection on all power MOS
Two-level overtemperature protection

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