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The L6208 device is a DMOS fully integrated stepper motor driver with non-dissipative overcurrent protection, realized in BCD technology, which combines isolated DMOS power transistors with CMOS and bipolar circuits on the same chip. The device includes all the circuitry needed to drive a two phase bipolar stepper motor including: a dual DMOS full bridge, the constant off time PWM current controller that performs the chopping regulation and the phase sequence generator, that generates the stepping sequence. Available in PowerSO36 and SO24 (20 + 2 + 2) packages, the L6208 device features a non-dissipative overcurrent protection on the high-side power MOSFETs and thermal shutdown.
Key Features
- Operating supply voltage from 8 to 52 V
- 5.6 A output peak current (2.8 A RMS)
- RDS(ON) 0.3 Ω typ. value at Tj = 25 °C
- Operating frequency up to 100 KHz
- Non-dissipative overcurrent protection
- Dual independent constant tOFF PWM current controllers
- Fast/slow decay mode selection
- Fast decay quasi-synchronous rectification
- Decoding logic for stepper motor full and half step drive
- Cross conduction protection
- Thermal shutdown
- Undervoltage lockout
- Integrated fast freewheeling diodes
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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 | |||||||||||
| L6208PD013TR |
Active
|
1000 | 4.216 | PowerSO 36 | Tape And Reel | -40 | 150 | EAR99 | MALAYSIA | Check Availability | Get sample | |
| L6208PD |
Active
|
1000 | 4.216 | PowerSO 36 | Tube | -40 | 150 | EAR99 | MALAYSIA | Check Availability | Buy now | |
| L6208D |
Active
|
1000 | 3.373 | SO-24 | Tube | -40 | 150 | EAR99 | MALAYSIA | Check Availability | Buy now | |
| L6208D013TR |
Active
|
1000 | 3.373 | SO-24 | Tape And Reel | -40 | 150 | EAR99 | MALAYSIA | Check Availability | Get sample | |
(*) 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
Ecosystems
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Picture Part number Manufacturer Description 
X-NUCLEO-IHM05A1 ST Bipolar stepper motor driver expansion board based on L6208 for STM32 Nucleo Part NumberBipolar stepper motor driver expansion board based on L6208 for STM32 Nucleo
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Evaluation Tools
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L6208D |
Active
|
SO-24 | Industrial | Ecopack1 |
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| L6208D013TR |
Active
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SO-24 | Industrial | Ecopack1 |
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| L6208PD |
Active
|
PowerSO 36 | Industrial | Ecopack2 (**) | |
| L6208PD013TR |
Active
|
PowerSO 36 | 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.
