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| www.fairchildsemi.com FAN8700 Camera Motor Drive and Control IC Features * Built-in DC Motor Driver : For Film Winding & Zooming * Voltage Controlled Stepping Motor Driver * Built-in AE Meter Driver * Built-in IRED Driver For Auto-Focus * Low Drop out Regulator(5V/3V) * Built-in step-up DC/DC Converter Controller Description The FAN8700 is a monolithic integrated circuit, and suitable for the motor driver (AE, AF, zoom and reel motor driver) and the controller ( IRED driver, supply , step-up converter control, etc.) in camera systems. 32-LQFP-0707 Typical Applications * Camera system Ordering Information Device FAN8700 Package 32-LQFP-0707 Operating Temp. -20C ~ +60C Rev.1.0.0 (c)2002 Fairchild Semiconductor Corporation FAN8700 Pin Assignments PGND FMO DM1 SVE PVE FBR IRO 24 FMI 23 22 21 20 19 18 17 DAT1 25 26 27 28 29 30 31 32 16 15 14 DM2 DM3 NC PGND SM1 SM2 SM 5 DAT2 RBT SGND VCC 13 FAN8700 12 11 10 VDI VDD VSM 9 SM4 1 SEL 2 CTL1 3 CTL2 4 CTL3 5 PGND 6 PVE 7 PGND 8 SM3 2 FAN8700 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 Pin Name SEL CTL1 CTL2 CTL3 PGND PVE PGND SM3 SM4 SM5 SM2 SM1 PGND NC DM3 DM2 DM1 PGND FMO PVE SVE IRO FBR FMI DAT1 DAT2 RBT SGND VCC VDI VDD VSM IC Enable Input Operating Mode Control Input1 Operating Mode Control Input2 Operating Mode Control Input3 Power Ground Power VE Power Ground Stepping Motor Output3 Stepping Motor Output4 /AE Meter Output Stepping Motor Output5 /AE Meter Output Stepping Motor Output2 Stepping Motor Output1 Power Ground No Connection DC Motor Output 3 DC Motor Output 2 DC Motor Output 1 Power Ground Step-up Converter Switching Output Power VE Signal VE IRED drive output IRED Drive Current Setting Input Step-up converter switching Clock input Each Mode Output Control Input1 Each Mode Output Control Input2 VE Voltage Divided Output Signal Ground Low Drop-out Regulator Output Setp-up Output Voltage Feedback Input Low Drop-out Regulator Output Stepping Motor Output Voltage Control Input Pin Function Description 3 FAN8700 Internal Block Diagram FMO 19 VDI 30 P_GND S_GND 5 7 13 18 28 PVE SVE 6 20 21 SM3 8 SM4 9 SM5 SM2 10 11 SM1 12 NC 14 STEP-UP CONTROL VSM 32 STEPPING MOTOR VOLTAGE CONTROL 22 IRO CONTROL LOGIC VDD/VCC REGULATOR IRED FEEDBACK DRIVER 23 FBR 27 24 1 2 3 4 25 26 15 16 17 29 31 RBT FMI SEL CTL CTL CTL DAT DAT 2 1 2 3 1 DM3 DM2 DM1 VCC VDD 4 FAN8700 Equivalent Circuits Description SEL CTL1~3 DAT1~2 DM1 DM2 DM3 PVE P_GND Pin No. 1 2~4 25,26 17 16 15 6,20 5,7,13,18 DAT1 25 DAT2 26 DAT1~DAT2 Internal Circuit 1.5-Channel DC Motor Drive Block P_VE 20 21 CTL1 CTL2 CTL3 2 3 4 CTL1~CTL3 DC Motor Control Block DM3 15 DM2 16 DM1 17 P_GND 5 8 18 M M Step-up Control Block SEL CTL1~3 DAT1~2 SM1 SM2 SM3 SM4 SM5 P_GND 1 2~4 25,26 12 11 8 9 10 5,7,13,18 DAT1 DAT1~DAT2 DAT2 26 25 P_VE 6 20 CTL1 2 CTL2 3 CTL3 4 CTL1~CTL3 Step Motor Control Block SM1 12 11 SM2 10 SM5 SM4 9 8 SM3 VSM 32 2X P_GND 5 7 13 18 IRED Drive Block SEL CTL1~3 DAT1~2 IRO FBR 1 2~4 25,26 22 23 CTL1 CTL2 CTL3 2 3 4 IRO 22 CTL1~3 IRED Control Block DAT1 DAT2 25 26 DAT1~2 23 FBR 5 FAN8700 Equivalent Circuits (Continued) Description SEL FMI VDI FMO P_GND Pin No. 1 24 30 19 5, 7, 13, 18 Vref D Q Q Internal Circuit Step-up Control Block VDI 30 19 FMO FMI 24 P_GND 5 7 13 18 Regulator Block SEL VCC VDD P_GND 1 29 31 5, 7, 13, 18 INTERNAL REFERENCE VOLTAGE R R 29 31 VCC VDD RBT Block SEL RBT P_GND 1 27 5, 7, 13, 18 PVE R 27 R RBT 6 FAN8700 Absolute Maximum Ratings (Ta=25C) Parameter Supply voltage VCC output current VDD output current Stepping motor output current DC motor output current IRED output current Output terminal voltage Input terminal voltage Power dissipation Thermal resistance Operating temperature range Storage temperature range Symbol VE IVCC IVDD ISM1,2,3,4,5 IDM IIRED VOUT VIN PD Rja TOPR TSTG Value 4.5 50 80 500 2000 2000 5.5 5.5 1.9 65 -20 ~ +60 -55 ~ +125 Unit V mA mA mA mA mA V V W oC/W Remark 500ms (3000mA/10mS) 500us - C C Power Dissipation Curve Power dissipation (W) 1.9 Ambient temperature, Ta (C) 25 150 Note: 1. PCB Information (Ref. EIA/JSED51-3 and EIA/JSED51-7) 2. Board Layer : 1 Layer 3. Board Thickness : 1.6mm 4. Board Dimension : 76.2 X 114.3 mm Recommended Operating Conditions (Ta = 25C) Parameter Operating supply voltage Symbol VE Min. 2.0 Typ. Max. 4.0 Unit V 7 FAN8700 Electrical Characteristics (Ta = -20C ~ 60C, VE = 2V) Block Total Characteristics Leakage Current Input Threshold Voltage Input High Current Minimum Operating Voltage Step-up & DC-DC CONVERTER Symbol ISTB VIT IIH VOPR1 VVDI1 VVDI2 VSAT1/1 VSAT1/2 f VDD VSAT2/1 VCC VSAT2/2 VOPR3 VSTB VRBT VT VOPR4 VSAT4 VOPR5 VSAT5 Condition VE = 4.0V,VSEL = 0V VIH = 3V ILOAD=100mA ILOAD=100mA ILOAD=700mA ILOAD=1000mA IVDD=60mA IVDD=60mA,VDD=2V IVCC=40mA IVCC=40mA,VCC=3V VE=4V,VSEL=0V VE=1.6V,IDM=400mA VE=2.6V,ISM=500mA VE=2.6V VSM=1.0V,RL=10W SM1~2,SM3~4 VE=2.6V,RL=10W, VSM=1.0V SM1,SM2,SM3,SM4 VE=2.6V,RL=5W, VSM=1.0V ,SM4,SM5 IIRED=1000mA RFBR=0.3W Min. Typ. Max. 0.75 5.3 8.3 39 2.85 4.8 0.47 -0.1 1.1 5.5 8.6 156 3.0 5.00 0.5 0 1.0 1.5 150 1.0 5.7 8.9 0.3 0.4 313 3.15 0.3 5.2 0.3 1.5 0.1 0.53 2.0 1.0 0.45 1.6 0.7 0.1 Unit mA V mA V V V KHz V V V V V x VE mV/C V V V V V Step-up Output Voltage 1 Step-up Output Voltage 2 FMO Output Voltage 1 FMO Output Voltage 2 FMI Step-up Clock Range VDD Output Voltage VDD Drop-out Voltage VCC Output Voltage VCC Drop-out Voltage Minimum Operating Voltage Stand-by Output Voltage Output Voltage Output Voltage Temperature Coefficient Regulator RBT DC Motor Minimum Operating Voltage Output Saturation Voltage Minimum Operating Voltage Output Saturation Voltage Output Voltage Relative Difference DV Step motor Driver Output Voltage 1 (Output Pin to Ground) Output Voltage 2 (Output Pin to Ground) Minimum Operating Voltage Output Saturation Voltage Output Current VO1 VO2 VOPR6 VSAT6 IIRED 1.9 2.0 2.1 V V V V A 1.85 1.95 2.05 0.9 1.0 1.5 1.0 1.1 Ired 8 FAN8700 Control Code Table Mode Stepping Motor Drive Sel Ctl1 L Ctl2 L Ctl3 L Dat1 L H H L H L H H L Ae Meter Drive H H L L L H H L Ired H H H H L H H Dcmotor1 Control L H L L H L H H L Dcmotor2 Control H L H L L H H Dat2 L H L H L H L H L H L H L H L H L H L H Output Port SM1 SM2 SM3 SM4 L H L H L H H H L L H L H L H L 5.5V Step-up 8.6V Step-up Ired On Step-up Off 5.5VStep-up OFF CW CCW Brake OFF CW CCW Brake Remark - SM4 SM5 OFF OFF H L L L H L - CTL DM1 DM2 DM3 OFF OFF OFF H L L OFF OFF OFF L H L H L L OFF OFF OFF L H L OFF OFF OFF 9 FAN8700 Test Circuits 0.2 H 0.25 L sw11 H 10k L sw10 H 10k L sw9 H M sw8 L 10k 24 FMI DAT1 DAT2 RBT SGND 23 FBR 22 IRO 21 SVE 20 PVE 19 FMO 18 PGND 17 DM1 H 10k 100 25 26 27 28 VCC DM2 16 DM3 15 M sw7 L H M sw6 L 10k 100 NC 14 29 30 31 32 VCC FAN8700 PGND 13 10k SM1 12 SM2 11 H H L sw5 M 10k H L sw4 M H L sw3 M 10k H L sw2 M 100 VDI 10k VDD VSM SEL CTL1 CTL2 CTL3 PGND PVE PGND SM3 SM5 10 100 SM4 9 1 2 3 4 5 6 7 8 10k H L sw1 M 100 A IVDI A VDI IVE VE IVIN A VIN GND 10 FAN8700 Typical Application Circuits 1 PVE&SVE IS CONNECTED BATTERY IRED PG&SG IS CONNECTED GROUND 24 25 26 27 28 29 30 31 32 FMI DAT1 23 FBR 22 IRO 21 SVE 20 PVE 19 FMO 18 PG 17 DM1 DM2 M 16 M Film Zoom DAT2 DM3 15 14 13 12 11 10 M Shutter 9 AF M Actuator RBT NC SG PG VCC FAN8700 SM1 VDI SM2 VDD SM5 VSM SEL CTL1 CTL2 CTL3 PG PVE PG SM4 SM3 1 2 3 4 5 6 7 8 CPU 11 FAN8700 Typical Application Circuits 2 PVE&SVE IS CONNECTED BATTERY LED PG&SG IS CONNECTED GROUND 24 25 26 27 28 29 30 31 32 FMI DAT1 23 FBR 22 IRO 21 SVE 20 PVE 19 FMO 18 PG 17 DM1 DM2 M 16 Iris M Zoom 15 14 13 12 11 10 M Shutter 9 AF M Actuator DAT2 DM3 RBT NC SG PG VCC FAN8700 SM1 VDI SM2 VDD SM5 VSM SEL CTL1 CTL2 CTL3 PG PVE PG SM4 SM3 1 2 3 4 5 6 7 8 CPU 12 FAN8700 Package Dimensions (Unit: mm) 32-LQFP 13 FAN8700 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. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of www.fairchildsemi.com 4/17/02 0.0m 001 Stock#DSxxxxxxxx " 2002 Fairchild Semiconductor Corporation the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. |
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