- MP6654
MP6654
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Description
The MP6654 is a single-phase brushless DC (BLDC) fan driver with integrated power MOSFETs and a Hall-effect sensor. It can achieve up to 1A of peak current (IPEAK) across a wide 3V to 18V input voltage (VIN) range.
The MP6654 controls the rotational speed through the pulse-width modulation (PWM) signal on the PWM pin. The device features a built-in, configurable curve speed function that is ideal for cooling fan applications, which require flexible speed curve control.
The MP6654 provides rotational speed detection. The rotational speed detector (the FG/RD pin) is an open-drain output. It outputs a high or low voltage relative to the internal Hall comparator’s output. Higher speeds produce higher frequency signals.
Full protection features include input over-voltage protection (OVP), under-voltage lockout (UVLO) protection, over-current protection (OCP), locked rotor protection, and thermal shutdown.
The MP6654 is available in TSOT23-6-SL and TSOT23-6-R packages.
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Features & Benefits
- On-Chip Hall Sensor
- Wide 3V to 18V Operating Input Voltage (VIN) Range
- Up to 1A Peak Current (IPEAK)
- Integrated Power MOSFETs: Total 850mΩ High-Side MOSFET (HS-FET) and Low-Side MOSFET (LS-FET)
- Configurable Speed Curve
- Rotational Speed Indicator FG Signal
- Rotor Lock Protection Fault Indication
- 1kHz to 100kHz Pulse-Width Modulation (PWM) Input Frequency Range
- Configurable Soft-On/Off Commutation
- 27kHz Fixed Output Switching Frequency (fSW)
- Configurable Soft Start (SS)
- Rotor Lock Protection with Auto-Recovery
- FG Outputs 0.5x, 1x, or 2x Original Hall Frequency
- Thermal Protection with Auto-Recovery
- Built-In Input Over-Voltage Protection (OVP) with Auto-Recovery
- Available in TSOT23-6-SL and TSOT23-6-R Packages
Active Part Numbers:
MP6654GJS-xxxx-Z MP6654GJS-xxxx-P MP6654GJS-0000-Z MP6654GJS-0000-P MP6654GJR-xxxx-Z MP6654GJR-xxxx-P MP6654GJR-0000-Z MP6654GJR-0000-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP6654 Resources
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PRODUCT CATEGORY
FAN DRIVERSPRODUCT CATEGORY -
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MPQ6631H-AEC1PRODUCT35V Input, 3A Peak Phase Current, 3-Phase BLDC Motor Driver, AEC-Q100 Qualified
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MPQ6517B-AEC1PRODUCT16V, Single-Phase, BLDC Motor Driver with Integrated Hall Sensor, AEC-Q100 Qualified
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MP6652APRODUCT18V, Single-Phase BLDC Fan Driver with Embedded Hall Sensor and MOSFETs
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