ProductsProducts

Products

Product image
Part number
Power Bus Supply Voltage VM
Output Current per Phase
Rds(on) (HS+LS)
PWM Carrier Frequency Range
Current Sensing Scheme
Motor Control Algorithm
Control Interface
Dead Time
Quiescent/Sleep Current (Iq/Isleep)
Protection Features
Fault Feedback
Logic Supply
Operating Temperature
Modulation Method
Additional Features
Package
ST5958 500mA Three-Phase Sine-Wave Sensorless BLDC Motor DriverST5958
Operating 1.8~6V; Abs. Max 7V
Per-phase avg output 0~500mA, peak 1A (integrated FET)
HS+LS combined saturation voltage 0.3~0.44V @Io=250mA (~1.2~1.76Ω equiv.)
PWM input 2~80kHz; internal fixed output 30kHz
No external sensing (sensor-less BEMF detection)
Three-phase sine-wave (quasi-sinusoidal) sensor-less back-EMF commutation (no Hall)
Single PWM speed control; FR direction control; FG output
- (waveform soft-switching, dead time not published)
Operating ICC1 2.9~4mA; standby(save) ICC2 130~180µA
Thermal shutdown(165℃), stall lock protection + auto restart
FG speed feedback output (open-drain)
VCC supply (1.8~6V), PWM input 0~VCC
-40~120℃
Quasi-sinusoidal PWM drive (sine wave), soft switching for low noise
Soft switching for noise reduction, power-saving mode (PWM=0), adjustable forced commutation frequency for startup, quick start
DFN3x3-10 (3.0×3.0, e=0.50)
ST4939 36V Three-Phase BLDC Motor Pre-driver with Noise ReductionST4939
Operating 7.5~36V; Abs. Max 38V
Pre-driver: gate drive current IGATE 20~30mA (max, drives 6 NMOS)
- (pre-driver, no built-in FET; depends on external MOSFET)
External PWM input (ENABLE, fPWM<30kHz)
SENSE current-monitor pin, external sense resistor (VREF limit 200mV), single-resistor sampling
Three-phase 120° trapezoidal commutation (Hall), synchronous rectification
ENABLE (active-low PWM), DIR, BRAKEZ, SYN noise-reduction, FG2 speed output, Hall inputs
Tdead 1.0µs (0.7~1.3µs) fixed anti-shoot-through
Operating IBB 4~6mA; power-save 3.3~3.6mA (charge pump on)
OTP(170℃), UVLO(7.1V)/VCP(4.6~6V), OVP(29V), stall lock protection (adjustable)
FG2 speed output, stall indication
HBIAS 5V Hall supply; logic input 0~7V
-40~110℃
120° trapezoidal commutation (Hall), synchronous rectification, fixed off-time current regulation
Synchronous rectification, fixed off-time PWM, adjustable stall time
QFN28 (5×5, e=0.50)
ST4931P 36V Three-Phase BLDC Motor Pre-driverST4931P
Operating 4.7~36V; Abs. Max 38V
Pre-driver: gate drive current IGATE 20~30mA (max, drives 6 NMOS)
- (pre-driver, no built-in FET; depends on external MOSFET)
External PWM input (ENABLE, fPWM<30kHz)
SENSE current-monitor pin, external sense resistor (VREF limit 200mV), single-resistor sampling
Three-phase 120° trapezoidal commutation (Hall), synchronous rectification
ENABLE (active-low PWM), DIR, BRAKEZ, FG1/FG2 speed outputs, Hall inputs
Tdead 1.0µs (0.7~1.3µs) fixed anti-shoot-through
Operating IBB 4~6mA; power-save 3.3~3.6mA (charge pump on)
OTP(170℃), UVLO(4.7V/VCP), OVP(29V), stall lock protection (adjustable)
FG1/FG2 speed outputs (Hall-matched), stall indication
HBIAS 5V Hall supply; logic input 0~7V
-40~110℃
120° trapezoidal commutation (Hall), synchronous rectification, fixed off-time current regulation
Synchronous rectification, fixed off-time PWM, adjustable stall time, FG1/FG2 Hall-matched outputs
QFN28 (5×5, e=0.50)
ST1298 1.55A Single-Phase Full-Wave BLDC Motor DriverST1298
Operating 3~20V; Abs. Max 25V (overview 3~18V)
IOUT 0~1.55A, peak 1.55A (single-phase full-wave)
HS+LS each 0.4~0.5Ω @VCC=12V, Io=200mA (total ~0.8~1.0Ω)
PWM input 5~100kHz; internal fixed output 20~28kHz
Built-in current limiting (no external sense resistor)
Single-phase full-wave, Hall-sensor commutation (with Hall)
Single PWM speed control; FG output
- (self-commutated single-phase, dead time not published)
Operating current IVCC 4~8mA (VCC=12V)
OTP(170℃), OCP(internal limit 1.55A), stall protection + auto restart
FG speed feedback output (open-drain)
Logic input 0~5.5V, no built-in LDO
-40~105℃ (industrial)
Direct PWM speed control (single-phase)
Soft start, min-speed limit(R)/stall-PWM(S), adjustable speed slope, noise-control mode, built-in Hall bias
TSSOP14-EP (5×4.4, e=0.65)
ST1267R Single-Phase Full-Wave BLDC Fan Motor Pre-driverST1267R
Operating 5.5~16V; Abs. Max 18V
Pre-driver: OUTP sink 20mA / OUTN output 20mA (external power FETs)
- (pre-driver, no built-in FET; depends on external MOSFET)
External PWM 20~100kHz; internal CPWM oscillation 30kHz (CP=220pF)
Built-in current limiting circuit (needs external FETs)
Single-phase full-wave pre-driver, Hall input, variable speed
External PWM speed; FG output; RD lock-detect output
-
ICC2 during lock protection 5.5~9.5mA
Current limit, stall lock protection + auto reset, thermal shutdown
RD (lock detect) output, FG output
VCC supply (5.5~16V)
-40~100℃ (industrial)
PWM speed control (single-phase)
Min-speed setting, soft-start setting, reactive current cut circuit
SSOP16 (4.0×5.0, e=0.635)
ST1262 1.65A Single-Phase Full-Wave BLDC Motor DriverST1262
Operating 3~20V; Abs. Max 25V (overview 3~18V)
IOUT 0~1.55A, peak 1.65A (single-phase full-wave)
HS+LS each 0.4~0.5Ω @VCC=12V, Io=200mA (total ~0.8~1.0Ω)
PWM input 5~100kHz; internal fixed output 20~28kHz
Built-in current limiting (no external sense resistor)
Single-phase full-wave, Hall-sensor commutation (with Hall)
Single PWM speed control; FG output; RD rotation-detect output
- (self-commutated single-phase, dead time not published)
Operating current IVCC 4~8mA (VCC=12V)
OTP(170℃), OCP(internal limit), stall protection + auto restart
FG speed feedback, RD lock-detect output (open-drain)
Logic input 0~5.5V, no built-in LDO
-40~105℃ (industrial)
Direct PWM speed control (single-phase)
Soft start, min-speed limit, adjustable speed slope, noise-control mode, built-in Hall bias
eTSSOP16L (5×4.4, e=0.65)