The L6229Q is a ST's three-phase brushless DC motor driver with overcurrent protection. The device is fabricated in BCD multipower technology, combining isolated DMOS power transistors, CMOS and bipolar circuits on the same chip. The device includes all the circuitry needed to drive a three-phase BLDC motor including: a three-phase DMOS bridge, a constant off time PWM current controller and the decoding logic for single ended hall sensors that generates the required sequence for the power stage. The device is available in VFQFPN-32 5 x 5 package, featuring a non-dissipative overcurrent protection on the high side power MOSFETs and thermal shutdown.
The L6229Q is a fully integrated DMOS driver designed for three-phase brushless DC (BLDC) motors. It combines isolated DMOS power transistors with CMOS and bipolar circuits on a single chip, utilizing BCDmultipower technology. The device includes a constant off-time PWM current controller and decoding logic for single-ended hall sensors to generate the required sequence for the power stage.
Key features include non-dissipative overcurrent detection and protection on the high-side power MOSFETs, thermal shutdown, and under-voltage lockout. The device operates with a supply voltage ranging from 8 to 52 V and can deliver a peak output current of 2.8 A. It is available in a VFQFPN-32 5x5 mm package.
| Operating supply voltage | 8 to 52 V |
|---|---|
| Output peak current | 2.8 A |
| Operating frequency | up to 100 kHz |
| Package type | VFQFPN-32 5x5 mm |
| Thermal shutdown temperature | 165 °C |
| Turn-on threshold | 6.3 V (typ) |
It is a DMOS driver specifically designed for three-phase brushless DC motors.
Yes, it features non-dissipative overcurrent detection and protection on the high-side power MOSFETs.
The recommended operating junction temperature range is -25 to +125 °C.