Overview
The L6208PD013TR is a DMOS fully integrated stepper motor driver produced by STMicroelectronics. It is designed using BCD technology, which integrates isolated DMOS power transistors with CMOS and bipolar circuits on the same chip. This device is specifically tailored to drive two-phase bipolar stepper motors, incorporating a dual DMOS full bridge, a constant off-time PWM current controller, and a phase sequence generator. The L6208PD013TR is available in PowerSO36 and SO24 packages, offering features such as non-dissipative overcurrent protection and thermal shutdown.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage | 8 to 52 | V |
| Output Peak Current | 5.6 A | A |
| Output RMS Current | 2.8 A | A |
| RDS(ON) | 0.3 Ω (typ. at Tj = 25 °C) | Ω |
| Operating Frequency | Up to 100 KHz | KHz |
| Package | PowerSO36, SO24 | |
| Thermal Shutdown Temperature | -165 °C | °C |
| Maximum Junction Ambient Thermal Resistance | 51 - 77 °C/W (depending on PCB configuration) | °C/W |
Key Features
- Non-dissipative overcurrent protection on high-side power MOSFETs
- 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
Applications
The L6208PD013TR is suitable for various applications, including:
- Industrial automation
- Personal electronics
- Any system requiring precise control of bipolar stepper motors
Q & A
- What is the operating supply voltage range of the L6208PD013TR?
The operating supply voltage range is from 8 to 52 V. - What is the maximum output peak current of the L6208PD013TR?
The maximum output peak current is 5.6 A. - What is the typical RDS(ON) value of the L6208PD013TR at 25 °C?
The typical RDS(ON) value is 0.3 Ω. - What is the maximum operating frequency of the L6208PD013TR?
The maximum operating frequency is up to 100 KHz. - Does the L6208PD013TR have thermal shutdown protection?
Yes, it features thermal shutdown protection. - What types of packages are available for the L6208PD013TR?
The device is available in PowerSO36 and SO24 packages. - Does the L6208PD013TR support both full and half step drive modes?
Yes, it includes decoding logic for both full and half step drive modes. - Is the L6208PD013TR protected against cross conduction?
Yes, it has cross conduction protection. - What is the purpose of the integrated fast freewheeling diodes in the L6208PD013TR?
The integrated fast freewheeling diodes help in reducing losses and improving efficiency during the switching operation. - How does the non-dissipative overcurrent protection work in the L6208PD013TR?
The non-dissipative overcurrent protection prevents damage to the high-side power MOSFETs by detecting and responding to overcurrent conditions without dissipating excessive heat.
