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Updated at 31/10/2025 10:30:15(UTC+8)

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Description

The L6480H is a microstepping Motor Controller with motion engine and SPI. It is realized in analogue mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping. It integrates a dual full bridge gate driver for N-channel MOSFET power stages with embedded non dissipative overcurrent protection. Thanks to unique voltage mode driving mode which compensates for BEMF, bus voltage and motor winding variations, the microstepping of a true 1/128-step resolution is achieved. The digital control core can generate user defined motion profiles with acceleration, deceleration, speed or target position easily programmed through a dedicated register set. All application commands and data registers, including those used to set analogue values (current protection trip point, deadtime, PWM frequency) are sent through a standard 5Mbps SPI.
Dual full bridge gate driver for N-channel MOSFETs
Fully programmable gate driving
Embedded Miller clamp function
Programmable speed profile
Up to 1/128 microstepping
Sensorless stall detection
Integrated voltage regulators
SPI interface
Low quiescent standby currents
Programmable non dissipative overcurrent protection
Over-temperature protection
5.5V Logic interface supply voltage
18V Low-side gate driver supply voltage
4W Total power dissipation (Temperature=25°C)

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L6480H Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	38 Pin
Case/Package	HTSSOP-38
Supply Voltage (DC)	3.30V (min)
Number of Outputs	2 Output
Output Voltage	85 V
Output Current	100 µA
Number of Positions	38 Position
Switching Frequency	125 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	0.95 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
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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