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The STSPIN820 is a stepper motor driver which integrates, in a small QFN 4 x 4 mm package, both control logic and a low RDSon power stage.
The integrated controller implements a PWM current control with fixed OFF time and a microstepping resolution up to 1/256th of the step.
The device can be forced into a low consumption state.
The device offers a complete set of protection features including overcurrent, overtemperature and short-circuit protection.Key Features
- Operating voltage from 7 to 45 V
- Maximum output current 1.5 Arms
- RDSon HS + LS = 1 Ω typ.
- Microstepping up to 1/256th of step
- Current control with programmable OFF time
- Current sensing based on external shunt resistor
- Full protection set
- Non-dissipative overcurrent protection
- Short-circuit protection
- Undervoltage lockout
- Thermal shutdown
- Standby low consumption
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 | |||||||||||
| STSPIN820 |
Active
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1000 | 1.25 | TFQFPN 24L 4X4X1.05 | Tape And Reel | -40 | 150 | EAR99 | PHILIPPINES | 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
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Picture Part number Manufacturer Description 
STSPIN820 click MikroElektronika STSPIN820 click is a stepper motor driver with the PWM current control, selectable microstepping up to 256 microsteps, and a wide voltage range. Part NumberSTSPIN820 click is a stepper motor driver with the PWM current control, selectable microstepping up to 256 microsteps, and a wide voltage range.
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Picture Part number Manufacturer Description 
X-NUCLEO-IHM14A1 ST Stepper motor driver expansion board based on STSPIN820 for STM32 Nucleo Part NumberStepper motor driver expansion board based on STSPIN820 for STM32 Nucleo
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Evaluation Tools
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Picture Part number Manufacturer Description 
EVALSP820-XS ST Compact evaluation board for STSPIN820 stepper motor driver Part NumberCompact evaluation board for STSPIN820 stepper motor driver
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STSPIN820 |
Active
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TFQFPN 24L 4X4X1.05 | 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.
