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KA3050 Dataheets PDF



Part Number KA3050
Manufacturers Fairchild
Logo Fairchild
Description Camera Motor Drive and Control IC
Datasheet KA3050 DatasheetKA3050 Datasheet (PDF)

www.fairchildsemi.com KA3050 Camera Motor Drive and Control IC Features • Built-in DC motor driver : 1.5-CH DC motor driver : CW, CCW & Brake • Stepping motor driver • Built-in strobo control • Built-in IRED driver for auto-focus • Built-in VE selector • Built-in VE voltage detector • Built-in 5V regulator • Built-in step-up DC/DC converter controller Description The KA3050 is a monolithic integrated circuit, and suitable for the motor driver (AE, AF, zoom and reel motor driver) and the contr.

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www.fairchildsemi.com KA3050 Camera Motor Drive and Control IC Features • Built-in DC motor driver : 1.5-CH DC motor driver : CW, CCW & Brake • Stepping motor driver • Built-in strobo control • Built-in IRED driver for auto-focus • Built-in VE selector • Built-in VE voltage detector • Built-in 5V regulator • Built-in step-up DC/DC converter controller 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 voltage detector, step-up converter control, etc.) in camera systems. 48-QFP-1010E Typical Applications • Camera system Ordering Information Device KA3050 Package 48-QFP-1010E Operating Temp. −20°C ~ +50°C Rev. 1.0.1 February. 2000. ©2000 Fairchild Semiconductor International KA3050 Pin Assignments S-GND1 S-VE P-VE P-VE DEO RBT BTS VDS 36 35 34 33 32 31 30 29 28 27 26 25 FMO FBR FMI IRI VDD VDI VCC 37 38 24 23 P-GND2 IRO 39 22 DM1 MC1 40 21 DM2 MC2 41 20 DM3 MC3 MC4 42 19 P-GND2 SM1 43 KA3050 18 S-GND2 SC1 44 17 SM2 45 16 SM3 SM4 SC2 46 47 15 14 SC3 SM5 P-GND1 SC4 48 13 1 SEL 2 NES 3 PTR 4 NEC 5 TRI 6 MGI 7 P-GND1 8 VSI 9 VSI 10 OSC 11 TRO 12 MGO 2 KA3050 Pin Definitions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Pin Name SEL NES PTR NEC TRI MGI P-GND1 VSI VSI OSC TRO MGO P-GND1 SM5 SM4 SM3 SM2 SM1 P-GND2 DM3 DM2 DM1 IRO P-GND2 FMO FBR P-VE P-VE S-VE S-GND1 IRI FMI VDS BTS RBT DEO VDD VDI VCC MC1 IC on/off Comparator input PNP open collector output PNP open collector output Trigger input Magnet drive input Power ground 1 Step motor & AE meter power Step motor & AE meter power NPN open collector output PNP open collector output Magnet drive output (NPN open collector output) Power ground 1 Step motor & AE meter output 5 Step motor & AE meter output 4 Step motor & AE meter output 3 Step motor & AE meter output 2 Step motor & AE meter output 1 Power ground 2 DC motor output 3 DC motor output 2 DC motor output 1 IRED drive output Power ground 2 Step-up converter switching output IRED feedback input Power VE (Battery power) Power VE (Battery power) Signal VE (Battery power) Signal ground 1 IRED control input Step-up converter clock input VDD selection (4V/5V) Battery selection (3V/6V) VE voltage detection output(analog) VE voltage detection output(digital) Inside power & outside power output Step-up voltage Motor drive IC power & control block power (5V) output MC code input 1 Pin Function Description 3 KA3050 Pin Definitions (Continued) Pin Number 41 42 43 44 45 46 47 48 Pin Name MC2 MC3 MC4 S-GND2 SC1 SC2 SC3 SC4 MC code input 2 MC code input 3 MC code input 4 Signal ground 2 SC code input 1 SC code input 2 SC code input 3 SC code input 4 / buffer output Pin Function Description Internal Block Diagram P_VE S_VE 29 28 27 FMO 25 VDI 38 VCC 39 DM1 22 DM2 21 DM3 20 VSI 9 VSI 8 SM1 18 SM2 17 SM3 16 SM4 15 SM5 14 IRO 23 FBR 26 OSC NEC NESPTR MGO 10 4 2 3 12 TRO 11 REG1 I RED Drive Block NPN Open Collector Output PNP Open Collector Output PNP Open Collector Output NPN Open Collector Output 6 MGI VDS 33 VE/VDD Detect IRED/ Stepping Motor Current PFM DC/DC Control P-GND1 7 P_GND2 19 13 24 S-GND 30 44 Motor or Strobo Control Block 1 SEL 34 BTS 36 DEO 32 35 40 MC1 41 MC2 42 MC3 43 MC4 45 SC1 46 SC2 47 SC3 48 SC4 31 IRI Comparator Input VDD 37 REG1 FMI RBT 4 PNP Open Collector Output 5 TRI KA3050 Equivalent Circuits Description MC1~4 SC1~4 DM1 DM2 DM3 P_VE P_GND Pin No. 40~43 45~48 22 21 20 27,28 7, 13, 19, 24 MC1 MC2 MC3 MC4 SC1 SC2 SC3 SC4 40 41 42 43 45 46 47 48 Internal Circuit 1.5-Channel DC Motor Drive Block P_VE 27 28 MC1~MC4 DM3 DC Motor Control Block 20 DM2 21 22 DM1 SC1~SC4 7 13 19 24 P_GND Stepping Motor Drive Block MC1~4 SC1~4 SM1 SM2 SM3 SM4 SM5 VSI P_GND MC1~4 SC1~4 IRO FBR 40~43 45~48 18 17 16 15 14 8, 9 7, 13, 19, 24 40~43 45~48 23 26 MC1 MC2 MC3 MC4 SC1 SC2 SC3 SC4 40 41 42 43 45 46 47 48 26 VSI MC1 MC2 MC3 MC4 SC1 SC2 SC3 SC4 40 41 42 43 45 46 47 48 8 9 MC1~MC4 Step Motor Control Block SC1~SC4 SM1 18 SM2 17 16 SM3 SM4 15 14 SM5 P_GND 19 7 13 24 IRED Drive Block IRO 23 IRI 31 MC1~MC4 IRED Control Block SC1~SC4 FBR 5 KA3050 Equivalent Circuits (Continued) Description FMI VDI FMO P_GND Pin No. 32 38 25 7, 13, 19, 24 Q Q S R 32 7 13 25 Internal Circuit Step-up Control Block FMO 38 VDI Vref FMI 19 24 P_GND General Buffer & Comparator Drive Block 12 MC1~4 SC1~3 MGI MGO NES SC4 TRI TRO PTR NEC OSC P_GND 40~43 45~47 17 16 2 48 5 11 3 4 10 7, 13, 19, 24 MC1 MC2 MC3 MC4 SC1 SC2 SC3 40 41 42 43 MGI MGO 6 NES 2 48 SC4 VDD*0.3 VCC TRI 5 Buffer Control Block 11 TRO MC1~MC4 3 PTR NEC OSC 45 46 47 4 SC1~SC3 10 7 13 19 24 P_GND 6 KA3050 Absolute Maximum Ratings (Ta = 25°C) Parameter Supply voltage Output current (VDD) Output cur.


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