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L6474H - ST Microelectronics
Manufacturer:
ST Microelectronics
ManyChip's Part#:
MC40158769
Category:
Motor Driver
Package:
HTSSOP-28
Datasheet:
Datasheet 3D Model
Description:
STMICROELECTRONICS L6474H Motor Driver, Micro stepping, 3.3V to 5V supply, 45V/3A/2Outputs, HTSSOP-28
Stock Locations:
Availability:
288 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 9.46

Updated at 02/11/2025 10:30:15(UTC+8)

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Description

The L6474H is a fully integrated microstepping Motor Driver realized in analogue 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 (current control value, current protection trip point, dead time) are sent through a standard 5Mbps SPI. A very rich set of protections (thermal, low bus voltage, overcurrent) makes the L6474 bullet-proof as required by the most demanding motor control applications.
Low RDS(on) power MOSFETs
Programmable power MOSFET slew rate
Up to 1/16 microstepping
Current control with adaptive decay
Non-dissipative current sensing
SPI interface
Low quiescent and standby current
Programmable non dissipative overcurrent protection on all power MOSFETs
Two-level over-temperature protection
5W Total power dissipation (TA=25°C)

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L6474H Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	HTSSOP-28
Supply Voltage (DC)	3.30V (min)
Number of Outputs	2 Output
Output Voltage	45 V
Output Current	3 A
Number of Positions	28 Position
Switching Frequency	512 kHz
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3.3V, 5V
Supply Voltage (Max)	5 V
Supply Voltage (Min)	3.3 V
	Show
Size-Length	9.8 mm
Size-Width	4.5 mm
Size-Height	1.05 mm
Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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