Details, datasheet, quote on part number: STK6217
CategoryInterface and Interconnect
DescriptionUnidirectional DC Motor Driver With Constant-speed Digital Servo Controller (output Current 8A)
CompanySanyo Semiconductor Corporation
DatasheetDownload STK6217 datasheet
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Features, Applications

Unidirectional DC Motor Driver with Constant-Speed Digital Servo Controller (output current: 8 A)

The is a hybrid IC that combines in a single package a unidirectional DC motor driver, a PLL constant-speed controller (the LC7991) and associated peripheral components, including a separately excited oscillator, a comparator, and an FG amplifier. The motor controller uses a PLL circuit for precise motor control. The wide range of the STK6217's FG lock frequency allows it to handle a wide range of applications. Since the motor driver block uses MOSFET devices as power elements, it features high output currents (rush current) and low loss.

Speed lock indicator output directly drives an external LED. TTL level compatible ROT input <Motor Driver Block> MOSFET power elements provide high output currents (rush current). Low-loss PWM speed controller (built-in externally excited oscillator: 25 kHz) Wide power supply voltage range (VDSS = 60 V) Built-in motor start-up overcurrent limiter function


Plain paper copier DC motor drivers FAX paper transport motor drivers Other DC motor applications


<Motor Controller Block> High FG frequency upper limit (locking range: to 2500 Hz) Built-in FG divider (FG lock upper limit with divider in use: 5000 Hz)


Parameter Maximum supply voltage 1 Maximum supply voltage 2 Maximum motor rush current Maximum input voltage Storage temperature range Junction temperature Operating substrate temperature Symbol VCC1 max VCC2 max VIH max Tstg Tj max Tc max No signal No signal Conditions Ratings 150 105 Unit °C

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

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Parameter Operating supply voltage 1 Operating supply voltage 2 Motor output current FET withstand voltage Input voltage Symbol VCC2 IO VDSS VIH Input active Input active DC (Tc = 25°C) Conditions Ratings 10 to min VCC2 Unit

Ratings Parameter VCC2 current dissipation Output FET saturation voltage Built-in oscillator frequency OSC output amplitude OSC output effective amplitude Common mode input voltage range FG amplifier feedback resistance High input level voltage Low input level voltage High input level current Low input level current High output level current Low output level current Input frequency range Symbol ICC VSAT fO VOP-P Vorms VICM Rf VIH VIL IIH IIL IOH IOL fXI fFG FG lock frequency Output cut voltage fFLOCK Vocut Lock input VOH 0.4 V Lock input VOL V XI input FGI input FG input divider off FG input divider on Pin 5 input voltage DIV3, PR1 and PR2 inputs PR1, PR2 and ROT inputs Pin 7 output voltage Integrating amplifier and FG amplifier input voltage Conditions When the ROT input is used 0 100 min typ max VCC2 1 Unit mA V kHz Vp-p Vrms µA mA MHz kHz Hz mV

Pin No. FG Rf Mix in Mix out PR1 PR2 ROT Lock SG Motor rotate/stop input; H: stop, L: rotate Lock output; Outputs a low level when locked Ground Phase comparison range select Variable divider setting Motor start-up current control reference voltage Power supply voltage input (+5 V) H/IC built-in oscillator bias voltage setting Integrating amplifier reference voltage setting FG input reference voltage setting FG input Integrating amplifier output Integrating amplifier input PO and FO sum output (PO and FO each have 100 k output resistance.) Crystal oscillator connection (input) Crystal oscillator connection (output) Vrs Current detection resistor connection Symbol OUT Motor output Function


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