ST Expands STDRIVE102 Product Family for 3-Phase BLDC Motors
Published2026.05.21 11:17
Supports motor control design with SPI configuration and ultra-low standby current
ST announced on the 21st in Seoul that it has added STDRIVE102P and STDRIVE102BP to the STDRIVE102 series. Both products are gate driver ICs for 3-phase BLDC motors that support gate current setting and key configuration operations via an SPI interface.
The STDRIVE102 series operates within a supply voltage range of 6V to 50V and can drive six external N-channel power MOSFETs. With a typical standby current of around 50nA, it can be utilized for reducing standby power in portable and battery-powered devices. The ability to control the slew rate without external resistors is another factor that reduces the burden of circuit design.
The product family incorporates a charge pump that supports the continuous operation of the high-side driver circuit. This supports the design of motor control applications requiring a 100% PWM duty cycle. It also includes built-in 12V and 3.3V LDOs to power internal circuits and some external components.
The STDRIVE102BP provides an analog front-end including a programmable gain amplifier and a comparator for motor shunt current measurement. The STDRIVE102P features a more simplified AFE configuration. Both products are equipped with undervoltage cutoff, thermal cutoff, and VDS-based overcurrent protection.
ST also supplies the STDRIVE102P and STDRIVE102BP evaluation boards. These boards work in conjunction with the STM32 Nucleo control board and X-CUBE-MCSDK motor control software, making them suitable for developing motor control applications.
STDRIVE102P is available in a 5mm x 5mm 40-pin VFQFPN package, and STDRIVE102BP is available in a 6mm x 6mm 48-pin VFQFPN package. Prices for orders of 1,000 start at $1.23 and $1.29, respectively.
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