www.fairchildsemi.com FAN8700 Camera Motor Drive and Control IC Features Description • 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 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. Typical Applications Ordering Information • Camera system 32-LQFP-0707 Device Package Operating Temp. FAN8700 32-LQFP-0707 -20°C ~ +60°C Rev.1.0.0 ©2002 Fairchild Semiconductor Corporation FAN8700 Pin Assignments FMI FBR IRO SVE PVE FMO PGND DM1 23 22 21 20 19 18 17 DAT1 25 16 DM2 DAT2 26 15 DM3 RBT 27 14 NC SGND 28 13 PGND VCC 29 12 SM1 VDI 30 11 SM2 VDD 31 10 SM 5 VSM 32 9 SM4 FAN8700 1 2 3 4 5 6 7 8 SEL CTL1 CTL2 CTL3 PGND PVE PGND SM3 2 24 FAN8700 Pin Definitions Pin Number Pin Name Pin Function Description 1 SEL IC Enable Input 2 CTL1 Operating Mode Control Input1 3 CTL2 Operating Mode Control Input2 4 CTL3 Operating Mode Control Input3 5 PGND Power Ground 6 PVE 7 PGND 8 SM3 Stepping Motor Output3 9 SM4 Stepping Motor Output4 /AE Meter Output 10 SM5 Stepping Motor Output5 /AE Meter Output Power VE Power Ground 11 SM2 Stepping Motor Output2 12 SM1 Stepping Motor Output1 13 PGND Power Ground 14 NC No Connection 15 DM3 DC Motor Output 3 16 DM2 DC Motor Output 2 17 DM1 DC Motor Output 1 18 PGND 19 FMO Step-up Converter Switching Output 20 PVE Power VE 21 SVE Signal VE 22 IRO IRED drive output 23 FBR IRED Drive Current Setting Input 24 FMI Step-up converter switching Clock input 25 DAT1 26 DAT2 Each Mode Output Control Input2 27 RBT VE Voltage Divided Output 28 SGND 29 VCC Low Drop-out Regulator Output 30 VDI Setp-up Output Voltage Feedback Input Power Ground Each Mode Output Control Input1 Signal Ground 31 VDD Low Drop-out Regulator Output 32 VSM Stepping Motor Output Voltage Control Input 3 FAN8700 Internal Block Diagram FMO VDI 19 30 P_GND S_GND 7 13 5 PVE SVE 6 20 21 SM3 SM4 8 9 SM5 SM2 10 11 SM1 NC 12 14 18 28 STEP-UP CONTROL STEPPING MOTOR VOLTAGE CONTROL VSM 32 CONTROL LOGIC 27 24 1 2 3 4 VDD/VCC REGULATOR 25 26 RBT FMI SEL CTL CTL CTL DAT DAT 2 1 2 3 1 4 15 16 17 DM3 DM2 DM1 29 31 VCC VDD 22 IRO 23 FBR IRED FEEDBACK DRIVER FAN8700 Equivalent Circuits Description Pin No. Internal Circuit 1.5-Channel DC Motor Drive Block SEL 1 CTL1~3 2~4 DAT1~2 25,26 DM1 17 DM2 16 DM3 15 PVE 6,20 P_GND 5,7,13,18 P_VE CTL1 CTL2 CTL3 20 21 2 3 CTL1~CTL3 4 DAT1 25 DAT2 26 DM3 15 DC Motor Control Block DM2 16 DM1 17 DAT1~DAT2 P_GND 5 8 18 M M Step-up Control Block SEL 1 CTL1~3 2~4 DAT1~2 25,26 SM1 12 SM2 11 SM3 8 SM4 9 SM5 10 P_GND 5,7,13,18 P_VE CTL1 2 CTL2 3 CTL3 4 6 20 CTL1~CTL3 Step Motor Control Block SM1 12 11 SM2 10 SM5 SM4 9 8 SM3 DAT1 DAT1~DAT2 DAT2 26 25 2X VSM 32 P_GND 5 7 13 18 IRED Drive Block SEL 1 CTL1~3 2~4 DAT1~2 25,26 IRO 22 FBR 23 IRO 22 CTL1 CTL2 CTL3 2 DAT1 DAT2 25 3 CTL1~3 4 IRED Control Block DAT1~2 26 23 FBR 5 FAN8700 Equivalent Circuits (Continued) Description Pin No. Internal Circuit Step-up Control Block SEL 1 FMI 24 VDI 30 FMO 19 P_GND 5, 7, 13, 18 VDI 30 FMO Vref D Q Q FMI 24 P_GND 5 7 Regulator Block SEL 1 VCC 29 VDD 31 P_GND 5, 7, 13, 18 INTERNAL REFERENCE VOLTAGE 29 31 R R RBT Block SEL 1 RBT 27 P_GND 5, 7, 13, 18 PVE R 27 R 6 RBT VCC VDD 13 18 19 FAN8700 Absolute Maximum Ratings (Ta=25°°C) Parameter Symbol Value Unit Remark VE 4.5 V - VCC output current IVCC 50 mA - VDD output current IVDD 80 mA - ISM1,2,3,4,5 500 mA - IDM 2000 mA 500ms IRED output current IIRED 2000 mA (3000mA/10mS) Output terminal voltage Supply voltage Stepping motor output current DC motor output current VOUT 5.5 V 500us Input terminal voltage VIN 5.5 V - Power dissipation PD 1.9 W - Rja 65 oC/W - Operating temperature range TOPR -20 ~ +60 °C - Storage temperature range TSTG -55 ~ +125 °C - Thermal resistance 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 = 25°°C) Parameter Operating supply voltage Symbol Min. Typ. Max. Unit VE 2.0 - 4.0 V 7 FAN8700 Electrical Characteristics (Ta = -20°C ~ 60°C, VE = 2V) Block Total Characteristics Leakage Current ISTB Input Threshold Voltage VIT Input High Current Step-up & DC-DC CONVERTER DC Motor Step motor Driver Ired 8 VE = 4.0V,VSEL = 0V Min. Typ. Max. - 1.0 mA - 0.75 1.1 1.5 V - - 150 mA - - - 1.0 V VIH = 3V Step-up Output Voltage 1 VVDI1 ILOAD=100mA 5.3 5.5 5.7 Step-up Output Voltage 2 VVDI2 ILOAD=100mA 8.3 8.6 8.9 FMO Output Voltage 1 VSAT1/1 ILOAD=700mA - - 0.3 FMO Output Voltage 2 VSAT1/2 ILOAD=1000mA - - 0.4 39 156 313 2.85 3.0 3.15 - - 0.3 VDD Drop-out Voltage VCC Output Voltage f VDD VSAT2/1 VCC Unit - VOPR1 VDD Output Voltage RBT IIH Condition Minimum Operating Voltage FMI Step-up Clock Range Regulator Symbol IVDD=60mA IVDD=60mA,VDD=2V IVCC=40mA V V KHz V 4.8 5.00 5.2 V VCC Drop-out Voltage VSAT2/2 IVCC=40mA,VCC=3V - - 0.3 V Minimum Operating Voltage VOPR3 - - - 1.5 V - - 0.1 V VE=4V,VSEL=0V Stand-by Output Voltage VSTB Output Voltage VRBT - 0.47 0.5 0.53 × VE Output Voltage Temperature Coefficient VT - - - 2.0 mV/°C Minimum Operating Voltage VOPR4 - - - 1.0 V Output Saturation Voltage VSAT4 VE=1.6V,IDM=400mA - - 0.45 V Minimum Operating Voltage VOPR5 - - - 1.6 V Output Saturation Voltage VSAT5 VE=2.6V,ISM=500mA - - 0.7 V Output Voltage Relative Difference DV VE=2.6V VSM=1.0V,RL=10W SM1~2,SM3~4 -0.1 0 0.1 V Output Voltage 1 (Output Pin to Ground) VO1 VE=2.6V,RL=10W, VSM=1.0V SM1,SM2,SM3,SM4 1.9 2.0 2.1 V Output Voltage 2 (Output Pin to Ground) VO2 VE=2.6V,RL=5W, VSM=1.0V ,SM4,SM5 1.85 1.95 2.05 V Minimum Operating Voltage VOPR6 - Output Saturation Voltage VSAT6 IIRED=1000mA Output Current IIRED RFBR=0.3W - - 1.5 V - - 1.0 V 0.9 1.0 1.1 A FAN8700 Control Code Table Mode - Sel - Ctl1 Ctl2 Ctl3 Dat1 Dat2 L L L - - - - - - - L L L H L H H L H L H L L H H H H L H L - - SM4 SM5 - - L L OFF OFF - - L H H L - - H L L H - - H H L L - - L L - - - - 5.5V Step-up L H - - - - 8.6V Step-up H L - - - - Ired On Step-up Off H H - - - - 5.5VStep-up Stepping Motor Drive H H L H - - - - - Ae Meter Drive Ired Dcmotor1 Control Dcmotor2 Control H H - H H H H - L L L H - L H L H - H L Output Port - - - Remark - - SM1 SM2 SM3 SM4 L H L H - - L L CTL DM1 DM2 DM3 - L H - H L OFF CW H L - L H OFF CCW H H - L L OFF Brake L L - OFF OFF OFF OFF L H - OFF H L CW H L - OFF L H CCW H H - OFF L L Brake OFF OFF OFF OFF 9 FAN8700 Test Circuits 0.2 10k 0.25 H L H 10k H L sw10 sw11 L sw9 H 10k M sw8 L 23 22 21 20 19 18 17 FMI FBR IRO SVE PVE FMO PGND DM1 25 24 DAT1 100 H DM2 16 M sw7 L H DAT2 DM3 15 27 RBT NC 28 SGND 29 VCC 14 PGND 13 10k SM1 12 H L sw5 M VDI SM2 11 H L sw4 M 31 VDD SM5 10 32 VSM CTL1 CTL2 CTL3 PGND PVE PGND FAN8700 100 10k M sw6 L SEL VCC 26 10k SM4 1 2 3 4 5 6 7 100 10k 30 H SM3 9 10k H L sw3 M 100 10k H L sw2 M 8 100 10k H L sw1 M A IVDI A IVE VDI VE IVIN A VIN GND 10 FAN8700 Typical Application Circuits 1 PVE&SVE IS CONNECTED BATTERY IRED 25 PG&SG IS CONNECTED GROUND 24 23 22 21 20 19 18 17 FMI DAT1 FBR IRO SVE PVE FMO PG DM1 DM2 26 DAT2 DM3 27 RBT NC 14 28 SG PG 13 29 VCC SM1 12 30 VDI SM2 11 31 VDD SM5 10 32 SM4 SEL CTL1 CTL2 CTL3 PG PVE PG SM3 1 2 3 4 5 6 7 8 M Zoom AF M Actuator M VSM Film 16 15 FAN8700 M Shutter 9 CPU 11 FAN8700 Typical Application Circuits 2 PVE&SVE IS CONNECTED BATTERY LED 25 PG&SG IS CONNECTED GROUND 24 23 22 21 20 19 18 17 FMI DAT1 FBR IRO SVE PVE FMO PG DM1 DM2 M 16 M Zoom 26 DAT2 DM3 15 27 RBT NC 14 28 SG PG 13 29 VCC SM1 12 30 VDI SM2 11 31 VDD SM5 10 FAN8700 AF M Actuator M 32 SM4 VSM SEL CTL1 CTL2 CTL3 PG PVE PG SM3 1 2 3 4 5 6 7 8 CPU 12 Iris 9 Shutter 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 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. www.fairchildsemi.com 4/17/02 0.0m 001 Stock#DSxxxxxxxx ” 2002 Fairchild Semiconductor Corporation