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MPQ6600L-AEC1 4.5-35V, 1.5A Stepper Motor Driver QFN-24
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pMPS MPQ6600L-AEC1 — Stepper Motor Driver, 4.5-35V input, 1.5 A output, QFN-24, AEC-Q100./p
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MPQ6600L-AEC1 4.5-35V, 1.5A Stepper Motor Driver QFN-24
The MPS MPQ6600L-AEC1 is a Stepper Motor Driver. It operates from a 4.5 V to 35 V input and is rated for 1.5 A. It is supplied in a QFN-24 package. The part is AEC-Q100 qualified.
The MPQ6600L is a stepper motor driver with current regulation and a built-in translator.
Key Specifications
| Part Number | MPQ6600L-AEC1 |
| Function | Stepper Motor Driver |
| Input Voltage | 4.5 V to 35 V |
| Current Rating | 1.5 A |
| Package | QFN-24 |
| Qualification | AEC-Q100 |
| Ordering Codes | MPQ6600L-AEC1 |
Features
- Wide 4.5V to 35V Input Voltage (VIN) Range
- Two Internal Full-Bridge Drivers
- Internal Current Sensing and Regulation
- Low On Resistance (RDS(ON)): 195mΩ High- Side MOSFET (HS-FET) and 170mΩ Low- Side MOSFET (LS-FET)
- No Control Power Supply Required
- Simple Logic Interface
- 3.3V and 5V Compatible Logic Supply
- Step Modes from Full Step to Eighth-Step
- Up to 1.5A of Output Current (IOUT)
- Automatic Current Decay
Typical Application Circuit
Applications
- Bipolar Stepper Motors
Design Notes
- Set dead time to match the external FET turn-off, not the datasheet typical. Too little risks shoot-through, too much distorts the current waveform at low duty cycle.
- Use a Kelvin connection for the current-sense resistor; shared copper injects switching noise straight into the sense amplifier.
- The thermal pad is the only heat path for most packages — via-stitch it to a ground plane with at least 9 vias.
- PWM frequency trades switching loss against current ripple in the motor inductance; 20 kHz keeps the drive out of the audible band.
- Add a brake or coast path so regeneration during a fast stop does not pump the supply rail.
Common Questions
What input voltage does the MPQ6600L-AEC1 support?
4.5 V to 35 V. The rated output is 1.5 A.
Which package and ordering codes apply to the MPQ6600L-AEC1?
QFN-24; order codes include MPQ6600L-AEC1.
What are the defining features of the MPQ6600L-AEC1?
Wide 4.5V to 35V Input Voltage (VIN) Range Two Internal Full-Bridge Drivers
Is the MPQ6600L-AEC1 qualified for automotive designs?
Yes — it is AEC-Q100 qualified. Confirm the grade against the qualification summary in the datasheet before specifying it on a safety-related rail.
Shenzhen Gaorunxin Technology Co., Ltd
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