Product Overview
MP6539GV-Z is a Monolithic Power Systems three-phase BLDC motor pre-driver intended to control three half-bridges built from six external N-channel MOSFETs. The documented operating capability reaches a 100 V bus, while the driver stage provides 0.8 A source and 1 A sink gate-drive current.
The datasheet also gives a 120 V maximum for the bootstrap node. That 120 V value is a maximum VBST condition, not the normal motor-bus operating voltage, so it must remain separate from the 100 V operating statement.
Confirmed Driver Data
| Parameter | Confirmed value |
|---|---|
| Function | Three-phase BLDC motor pre-driver |
| Bridge topology | Three half-bridges / six external N-channel MOSFETs |
| Supported bus operation | Up to 100 V |
| Maximum VBST | 120 V |
| Gate-drive source current | 0.8 A |
| Gate-drive sink current | 1 A |
| Package | QFN-28, 4 mm × 5 mm |
| Packing | Tape and Reel (-Z) |
What the Ratings Mean for Selection
Topology is the first compatibility check: the device is a three-phase pre-driver for external MOSFETs, not an integrated motor-power stage. A replacement therefore needs the same bridge-control role before voltage or current figures are compared.
For gate switching, 0.8 A source and 1 A sink capability define the stated charge/discharge strength of the driver outputs. The 100 V bus capability defines the documented operating class, whereas the 120 V VBST number is a maximum bootstrap-node rating and should not be used as a nominal bus specification.
The exact GV package is QFN-28 at 4 mm × 5 mm, and -Z denotes tape-and-reel packing. Both fields are part of the procurement identity.
