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The L6480 device, realized in analog 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 a 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 analog values (i.e. current protection trip point, deadtime, PWM frequency, etc.) are sent through a standard 5-Mbit/s SPI. A very rich set of protections (thermal, low bus voltage, overcurrent and motor stall) makes the L6480 device “bullet proof”, as required by the most demanding motor control applications.
Key Features
- Operating voltage: 7.5 V - 85 V
- 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
- Overtemperature protection
Circuit Diagram
Sample & Buy
| Part Number | Marketing Status | Quantity | Budgetary Price (US$)* | Package | Packing Type | Temperature (°C) | ECCN (US) | Country of Origin | More info | Order from Distributors | Order from ST | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| L6480HTR | Active | 1000 | 2.671 | HTSSOP38 | Tape And Reel | -40 | 150 | EAR99 | MALAYSIA | Check Availability | Get sample | |
| L6480H | Active | 1000 | 2.671 | HTSSOP38 | Tube | -40 | 150 | EAR99 | MALAYSIA | Check Availability | Buy now | |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
Development Tools
Embedded Software
Evaluation Tools
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Picture Part number Manufacturer Description 
EVAL6480H -- Fully integrated microstepping motor controller with motion engine and SPI evaluation board EVAL6480H-DISC -- L6480 Discovery: development tool to explore L6480 motor controller 
STEVAL-PCC009V2 -- IBU Motor Control & IPS universal interface Part NumberFully integrated microstepping motor controller with motion engine and SPI evaluation board
L6480 Discovery: development tool to explore L6480 motor controller
IBU Motor Control & IPS universal interface
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L6480H | Active | HTSSOP38 | Industrial | Ecopack2 | |
| L6480HTR | Active | HTSSOP38 | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
