- MP6517B
MP6517B
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Description
The MP6517B is a single-phase, brushless, DC motor drivers with integrated power MOSFETs and a Hall effect sensor. The MP6517B drives single-phase brushless DC fan motors with up to 2A of output current limit. The IC has a 3.3V to 16V input voltage range and input line reverse voltage protection to save the external diode on the supply line.
The MP6517B controls the rotational speed through the PWM signal on the PWM pin. The MP6517B has a rotational speed detection feature and rotor lock fault indication on FG/RD with an open-drain collector output. The output speed versus the input duty curve can be programmed easily for flexible use. To reduce fan driver audible noise and power loss, the MP6517B features a soft on/off phase transition and automatic phase-lock function of the motor winding BEMF and current.
Full protection features include input over-voltage protection (OVP), under-voltage lockout (UVLO), rotor deadlock protection, thermal shutdown, and input reverse protection.
The MP6517B requires a minimal number of external components to save solution cost. The MP6517B is available in TSOT23-6-L, TSOT23-6-R, TSOT23-6-SL, and TSOT23-6-RSL packages.
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Features & Benefits
- Embedded Hall Sensor with High Sensitivity
- Wide 3.3V to 16V Operating Input Range
- Up to 2A Programmable Current Limit
- Integrated Power MOSFETs: Total 850mΩ (HS + LS)
- Programmable Speed Curve
- Built-In Adjustable Speed Curve Corner Setting
- Automatic Phase Lock Detection of Winding BEMF and Current Zero-Crossing
- Soft On/Off Phase Transition
- Rotational Speed Indicator (FG) Signal
- 12kHz to 48kHz PWM Input Frequency Range
- Fixed 26kHz Output Switching Frequency
- Input Line Reverse Voltage Protection (RVP)
- Rotor Deadlock (RD) Protection and Automatic Recovery
- Thermal Protection and Automatic Recovery
- Built-In Input OVP, UVLO, and Automatic Recovery
- Available in TSOT23-6-L, TSOT23-6-R, TSOT23-6-SL, and TSOT23-6-RSL Packages
Active Part Numbers:
MP6517BGJL-xxxx-P MP6517BGJL-xxxx-Z MP6517BGJR-xxxx-P MP6517BGJR-xxxx-Z MP6517BGJS-xxxx-P MP6517BGJS-xxxx-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP6517B Resources
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