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MP6505 4.5-16V, 400mA Single-Phase Brushless-DC–Motor Driver TSSOP16
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pMPS MP6505 — Single-Phase Brushless-DC–Motor Driver, 4.5-16V input, 400 mA output, TSSOP16./p
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MP6505 4.5-16V, 400mA Single-Phase Brushless-DC–Motor Driver TSSOP16
The MPS MP6505 is a Single-Phase Brushless-DC–Motor Driver. It operates from a 4.5 V to 16 V input and is rated for 400 mA. It is supplied in a TSSOP16 package.
The MP6505 is a single-phase brushless-DC– motor driver, with an input voltage range of 4.5V to 16V and a maximum output current of 400mA.
Key Specifications
| Part Number | MP6505 |
| Function | Single-Phase Brushless-DC–Motor Driver |
| Input Voltage | 4.5 V to 16 V |
| Current Rating | 400 mA |
| Interface | PWM |
| Package | TSSOP16 |
| Ordering Codes | MP6505 |
Features
- Operating Voltage of 4.5V to 16V
- Integrated Power MOSFETs (HS: 370mΩ; LS: 230mΩ)
- Maximum Output Current 400mA
- Low Quiescent Current (Not including Hall Sensor) of 1.4mA
- Speed Control by Input Voltage or PWM Signal
- Programmable Minimum Speed
- Rotational-Speed Indicator
- Locked-Rotor Indicator
- Locked-Rotor Protection and Automatic Recovery
- Thermal Protection and Automatic Recovery
Typical Application Circuit
Applications
- CPU Fan for Personal Computers or Servers
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 MP6505 support?
4.5 V to 16 V. The rated output is 400 mA.
Which package and ordering codes apply to the MP6505?
TSSOP16; order codes include MP6505.
What are the defining features of the MP6505?
Operating Voltage of 4.5V to 16V Integrated Power MOSFETs (HS: 370mΩ; LS: 230mΩ)
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