KA3050 Fairchild Semiconductor, KA3050 Datasheet
KA3050
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KA3050 Summary of contents
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... Fairchild Semiconductor International www.fairchildsemi.com Description The KA3050 is a monolithic integrated circuit, and suitable for the motor driver (AE, AF, zoom and reel motor driver) and the controller (strobo trigger, IRED driver, supply volt- age detector, step-up converter control, etc.) in camera sys- tems ...
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... KA3050 Pin Assignments MC1 41 MC2 MC3 42 MC4 43 44 S-GND2 SC1 45 SC2 46 47 SC3 48 SC4 KA3050 P-GND2 24 23 IRO 22 DM1 21 DM2 20 DM3 19 P-GND2 18 SM1 17 SM2 16 SM3 SM4 15 14 SM5 13 P-GND1 ...
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... E Signal ground 1 IRED control input Step-up converter clock input V selection (4V/5V) DD Battery selection (3V/6V) V voltage detection output(analog voltage detection output(digital) E Inside power & outside power output Step-up voltage Motor drive IC power & control block power (5V) output MC code input 1 KA3050 3 ...
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... KA3050 Pin Definitions (Continued) Pin Number Pin Name S-GND2 Internal Block Diagram P_V E 28 S_V FMO VDD 37 REG1 VDS 33 VE/VDD Detect PFM DC/DC P-GND1 P_GND2 30 44 S-GND SEL BTS DEO 4 Pin Function Description MC code input code input code input 4 4 Signal ground 2 ...
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... P_V 27,28 E P_GND 7, 13, 19, 24 Stepping Motor Drive Block MC ~ 40~ 45~ P_GND 7, 13, 19, 24 IRED Drive Block MC ~ 40~ 45~ IRO 23 FBR 26 Internal Circuit P_V ~ Motor Control 4 Block ~ P_GND ~ Step Motor Control 4 Block ~ P_GND 19 24 IRI ~ IRED Control Block ~ IRO 23 26 FBR KA3050 ...
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... KA3050 Equivalent Circuits (Continued) Description Pin No. Step-up Control Block FMI FMO 25 P_GND 7, 13, 19, 24 General Buffer & Comparator Drive Block MC ~ 40~ 45~ MGI 17 MGO 16 NES TRI 5 TRO 11 PTR 3 NEC 4 OSC 10 P_GND 7, 13, 19 Internal Circuit FMO 25 Vref P_GND 19 24 MGI 6 NES TRI Buffer Control ...
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... SM1 1000 SM4 3000 DM I 2000 IRO I 500 MGO V 0.3 ~ +7.5 OUT V 0 +50 OPR +125 STG 50 Symbol Min. Typ. V 2.0 E KA3050 Unit Remark Within 70ms mA Within 70ms mA Within 10ms mA Within 500 s mA Within 200ms Ambient temperature 150 Max. Unit - 7 ...
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... KA3050 Electrical Characteristics ( Block Parameter Leakage current Low input voltage range Total High input voltage range Control input current Min. operating voltage Step-up output voltage 1 Step-up output voltage 2 FMO output voltage 1 Step-up & V FMO output voltage 2 DD FMI step-up clock V output voltage 3 ...
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... V I =10mA TRO =10mA PTR =10mA NEC =10mA OSC 0.27 NES V - SOL V - 0.8 SOH V I =1A SAT3 OL R =0.25 FBR I 0. =200mV FBR 0.22 MGI V I =500mA MGO O KA3050 Typ. Max. Unit Notes - 1.8 1 190 - 0.3 0. 0.3 ...
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... KA3050 Electrical Characteristics (Continued) Notes: 1. Define Input Current at Stand-By. 2. Define Low Level of Input Terminals. 3. Define High Level of Input Terminals. 4. Define Input Current of Each Control Input Terminals. 5. Define Min. Operating Voltage for Step-up Circuits (SEL, FMO) 6. Define Output Voltage Step-up Define Saturation Voltage of FMO Output. ...
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... Zoom And Reel Motor Drive Block (1.5-Channel Dc Motor Drive Block This block diagram describes the driver of zoom and reel motor in camera systems. The drive block is controlled by MC1~4 and SC1~4, which are come from micro controller. Follow is the control logic table Motor Control Block INPUT OUTPUT KA3050 ...
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... KA3050 2. Af Motor And Ae Meter Drive Block (Stepping Motor Drive Block Stepping Motor SI Control Block SC ~ The block diagram describes the driver of AF motor and AE meter in camera systems. The drive output is selected by MC signals (MC These MC codes are as follows. INPUT The output voltage (V ...
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... MC codes and SC codes. FBR The IRED current ( determined by V IRED i.e IRED FBR C INPUT IRO IRED Control Block FBR and resistor Rc. FBR V OUTPUT VOLTAGE [V] COIL 1.80 1.99 2.18 2.37 2.56 2.75 2.94 3.13 3.32 3.51 3.70 3.89 4.08 4.27 4.46 4.65 IRED KA3050 13 ...
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... FBR Step-up Control Block V E The FMO frequency from KA3050 steps up the battery voltage V The FMO frequency depends on the FMI frequency, which is come from micro controller. Maximum value 5.5V in normal operation mode, and 8.6V in IRED operation mode. DI i.e., 14 INPUT ...
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... DI 5. General Buffer And Comparator Drive Block MGI 6 NES 2 TRI The KA3050 is composed of 5 general buffers and a comparator. This block has 10 inputs and 6 outputs. All output are controlled by MC and SC codes except MGO. The control codes are as follows. INPUT The NES and SC are conflict with each other, it means ...
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... DEO have hysteresis loop as following graph. DET1 VDET1 H L VTH1- The V and V refer to electrical characteristics. TH1 TH2 16 ) BTS Open(6V) Ground(3V) is selected automatically inside the KA3050 in 6V battery usage. DET1 DEO H L VE[V] VTH1+ VTH2- OSC Step-up Circuit Enable Enable Disable Enable Disable Disable ...
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... Other Control Blocks The following table is description of other control blocks. Pin No. Symbol High: KA3050 Operation SEL Low: KA3050 No Operation Open VDS Ground Open BTS Ground RBT RBT E High: Sufficient Battery DEO Low: Insufficient Battery Regulator output Regulator output CC Function = 4V KA3050 17 ...
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... KA3050 Control Code Table CODE CODE mark : Detect NES signal and send a inverted signal to SC4. Note FBR 190mV - - - - 210mV - - - - 230mV - - - - 250mV - - - - 270mV - - - - 290mV - - - - 310mV - - - - 330mV - - - - 350mV - - - - 370mV - - - - 390mV - - - - 410mV - - - - 430mV - - - - 450mV - - - - 470mV - - - - 490mV OSC NEC PTR NES TR TR0 H H H/L H/OPEN ...
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... Test Circuits R L SW18 VDI 10K SW17 SW16 KA3050 SW1 SW2 10K I VSI 10K 10K V SI 0.25 10K R L SW15 10K 10K 10K 10K 10K 10K SW3 SW4 SW5 10K 10K V IN KA3050 100 100 100 100 100 19 ...
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... KA3050 Typical Application Circuits V E Micro Controller Unit FMO IRO SEL 1 TRI 5 MGO 12 31 IRI FMI 32 VDS 33 KA3050 BTS 34 RBT 35 DEO SC4 48 GND GND MGI FBR NES 2 PTR 3 Strobo Block NEC 4 OSC 10 TRO ...
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... KA3050 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...