Dual stepper motor driver, ultra-Small micro steps : LV8714TA

Power supply, Converter, Regulator

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Presentation

With low on resistance type power FETs, loss-less current sensing, synchronous rectification, and ultra-low standby current (<1 µA), the device offers the best-in-class energy efficient system solution. Integrated regulators enable one-chip, single supply system solution.

Built-in system protection functions such as over-current, thermal shutdown and low voltage shutdown enable a highly reliable system solution with smallest system solution footprint. Among wide variety of applications that the LV8714TA addresses are security camera systems, point of sale (PoS) terminals, document scanners and multi-function printers.

Evaluation Board LV8714TAGEVK is available.

Technical features

Quad H-bridges with PWM based constant-current control Power FETs with low on resistance (Upper: 0.6 Ω, Lower: 0.3 Ω, Total of upper and lower: 0.9 Ω @ Ta=25° C, Io=1.5 A) Internal current sense mechanism without external power resistors On-chip regulators for logic circuits and power FETs biasing Power saving mode with ultra-low standby current (< 1 µA) when idle Built-in system protection functions such as thermal shutdown, low-voltage shutdown and over-current protection