Special Function Motor Drivers - Digi-Key

NEW! Special FunctionMotor DriversAN41908A Lens DriverAN41919A DC Iris Driver

Panasonic Special Function Motor Drivers ForNetwork and Security CamerasDome Type Cameras(Iris Servo for Hall Sensor)Lens Driverfor Dome typeDC Iris Driverfor Box typeBox Type Camera(Iris Servo for Dumping Coil)TypeFunctionAN41908A5ch motor drive controller(Zoom 2ch Focus 2ch Iris servo for hall sensor 1ch)AN41919A1ch Iris controller(Iris servo for dumping coil 1chPackage(Chip size)StatusQFN44(6mm 6mm)UnderMP

Panasonic AN41908ALens Driver forDome Type Camera(Iris Servo for Hall Sensor )

Block Diagram of Network Camera (Hall Sensor)Block diagramImage sensor（Including Analog Front rMotor1chIris ControllerIrisZoomFocusZoom/Focus LensDriverDriverAN41908AAN41908APan/TiltDriver ICNetworkRecorder

Panasonic AN41908A Block DiagramTo Integrate Iris Control Function on Zoom & Focus DriverCSMicroCSKComputerSINSerialI/FCS: Chip SelectCSK: Serial ClockSIN: Serial Data InputMicro StepControlcircuitPWMDriverM ZoomMicro cuitPID: Proportional Integral DerivativeIris Digitalcircuit(Digital PID)PWMDriverMPosition SensingElement(Hall sensor)

Panasonic AN41908A Single Chip Advantages PCB Space Reduction Reduced Design-In Time Low Acoustic Noise Low Power Consumption

PCB Space Reduction2Company AZoomMTotal Area 381mmMFocus1Chip LSI of Zoom,Focus and Iris functionSOP24SOP24158.6mm2 SSOP1432mm2ZoomFocusMMIris8 OP Amps and external parts are needed for Iris function Hall BiasHall AmpHallSensorError AmpPCompany BZoomMDM2TSSOP1432mm2MAN41908AMTotal Area 36mm2(About 80-90% reduction!!)Advantage forFocusIrisHallSensorMTotal Area 162mmSSOP3297.8mm2TSSOP1432mm2IIrisHall BiasHallSensorAN41908A78%Reduction- Small Camera design- PCB cost reduction

Reduced Design-In TimeEasy Adjustment of Iris CircuitExisting ic adjustment(Serial setting）DigitalPIDIrisMSIFAnalogpositionDetect circuitHallSensorSIF：Serial Inter FacePID：Proportion / integral calculus / differentialcalculus 3 elements digital control systemInconvenient You needed to adjust Iris circuitwhen you start to design camera You needed to change external resistanceand capacitance for Iris adjustment Improved !!Software can arrangethe circuit by SIFbecause of built-in digital PID

Noise Level (dB)2.50Hz-5-15Frequency 151050-52.50Hz67.50Hz-10-15Frequency p815.00HzBack electromotiveforce unbalance782.50HzUnbalance750.00HzPhase z522.50Hz490.00Hz457.50Hz425.00HzNo 230.00Hz197.50Hz165.00Hz132.50Hz100.00Hz3535.00Hz* Equal amplitude* Phase difference 90degNoise Level (dB)-10842.50Hz90 812.50HzIdeal motor 2.50Hz62.50Hz32.50HzLow Noise Micro Step Drive for Zoom and FocusLess Acoustic Noise by Motor Tolerance Correction FunctionMotor circuitCorrection353015-10dB !!1050

Low Power Consumption50% power reduction by PWM driving system !!(Compared(Compared with Linear driving system)PWM noise cutby digital filter partIrisIris digital CircuitDigital control partPosition signalfrommicrocomputerPWMDrivePID /low passMlow passIris analog circuitADCAnalog positiondetecting circuitHall sensor

Panasonic AN41908A Application CircuitPanasonic can prepare evaluation board and more specific application notes.34 SIN35 VD IS36 VD FZ37 PLS138 PLS239 RSTB0.1 F40 GNDA41 CREFIN42 VREF100 pF0.1 F44 OP4OUT0.01 F33 SCKOP3INP 132 CSSENS 2OP3OUT 331 SOUTREF 430 DVDDAVDD3 529 OSCINADTESTIN 628 GNDD10k 27 LED2OUTE2 826 LED1VDD5 925 OUTA1GND5 1024 MGNDA23 N.C.OUTB1 21OUTA2 22MVCCA20OUTC1 18OUTB2 19MGNDB17MVCCB(4.8 V)OUTC2 16OUTE1 11OUTD1 15VDD5(4.8 V)TEST 7MVCCB14AVDD3(3.1 V)MType—Bi-COMS ICH V–Applications—Camcorders, Security CamerasPackage—44 pin Plastic Quad Flat Non-leaded PackageApplication circuitHallSensor43 OP4INNH–OUTD2 13Features—Voltage drive system 256-stepmicrostep drivers (2 systems)—Built-in Iris controller—Motor control by 4-line serial data communication—2 systems of open-drain for driving LEDV 0 N.C. 12OverviewAN41908A is a lens motor driver ICfor camcorder and security-camerafeaturing the functions of Iris control.Voltage drive system andseveral torque ripple correction techniquesenable super- low noise microstep drive.MVCCA(4.8 V)DVDD(3.1 V)

Evaluation Board

Panasonic AN41919ADC Iris Driver forBox Type Camera(Iris Servo for Dumping Coil)

Block Diagram of Network Camera (DC-Iris)Block diagramImage sensor（Including Analog Front End）ManualDCIrisMotor1chMicroComputerManualDC Iris corderation, !rgetInirst !fs’yrtIndus

Panasonic AN41919A Block DiagramContributes to Sets’ Miniature Design.AN41919AParameter settingCSMicroComputerSCKSINSerialI/FCS: Chip SelectSCK: Serial ClockSIN: Serial Data InputIrisDigitalCircuit(Digital PID)PWMDriverMTarget SignalLuminancetarget signalIrisAnalogcircuitSingle Chip Solution of DC Iris FunctionDamping CoilSignal

Panasonic AN41919A Advantages Reduced Design-In Time Low Power Consumption

Reduced Design-In TimeEasy Adjustment of Iris CircuitExisting mputerIrisAN41919ACharacteristic adjustment(Serial setting）DigitalPIDIrisMSIFAnalogpositionDetect circuitSIF：Serial Inter FacePID：Proportion / integral calculus / differentialcalculus 3 elements digital control systemInconvenient You needed to adjust Iris circuitwhen you start to design camera You needed to change external resistanceand capacitance for Iris adjustment Improved !!Software can arrangethe circuit by SIFbecause of built-in digital PID

Low Power Consumption50% Power Reduction by PWM Driving System(Compared(Compared with Linear driving system)PWM noise cutby digital filter partIris digital circuitIrisDigital control partLuminance signalfrommicrocomputerPWMDriverPID /－low passMlow passIris analog circuitADCAnalog positiondetecting circuitLuminancetarget Signal

Panasonic AN41919A Application CircuitAVDD3(3.1 V)CDSsignal34 N.C.35 N.C.36 ENABLE37 RST38 AMP2INP39 GNDA40 AMP2OUT41 N.C.33 N.C.VREF232 N.C.CREF331 TESTAVDD3430 GNDDADCIN5TESTOUT629 VD IN28 MONI 2AMPINP727 MONI 1AMPINN826 DVDD100 pFAMPOUT 925 OSCOUTDamping CoilDrive CoilVDD5(4.8 V)N.C. 22SIN 21SCK 20CS 19SOUT 1823 N.C.N.C. 17N.C. 11DRV OUT2 1624 OSCINVDD5 15N.C. 10GND5 14Type—Bi-COMS IC1DRV OUT1 13Package—44 pin Plastic Quad Flat Non-leaded PackageApplication CircuitN.C.0.1 FN.C. 12Applications—IP-camera, Security-camera44 N.C.Features—Built-in Iris controller—Iris control by 4-lineserial data communication43 N.C.OverviewAN41919A is a iris control LSIfor IP-camera and security-camera.42 PWM INPWM signalPanasonic can prepare evaluation board and more specific application notes.VD signalDVDD(3.1 V)

Evaluation Board

NEW! Special FunctionMotor DriversAN41908A Lens DriverAN41919A DC Iris Driver

Panasonic Special Function Motor Drivers For Network and Security Cameras 1ch Iris controller AN41919A (Iris servo for dumping coil 1ch DC Iris Driver for Box type Under MP QFN44 (6mm 6mm) 5ch motor drive controller (Zoom 2ch Focus 2ch Iris servo for hall sensor 1ch) AN41908A Lens Driver for Dome typ