www.fairchildsemi.com KA3080/KA3080D/KA3080DM 3-Phase BLDC Motor Driver Features Description • 3-Phase, Full-Wave, Linear BLDC Motor Driver With 3 Hall Sensors • Built-in TSD (Therml Shutdown) Circuit • Built-in Torque Ripple Control Circuit • Built-in Output Current Limiter • Motor Speed Control • High Output Current • Built-in FG Amplifier With Sinusoidal Waveforms • Built-in Hall Amplifier • Built-in CW and CCW Circuit The KA3080 , KA3080D, KA3080DM are a monolithic integrated circuit, and it is suitable for 3-phase capstan motor driver for VCR system. 32-SDIPH-400 28-SSOPH-375 28-SSOPH-375SG2 Target Application • Video Cassette Recorder (VCR) Capstan Motor • Other 3-Phase BLDC Motor Ordering Information Device Package Operating Temp. KA3080C 32-SDIPH-400 -25°C ~ +75°C KA3080BD 28-SSOPH-375 -25°C ~ +75°C KA3080BDTF 28-SSOPH-375 -25°C ~ +75°C KA3080BD3 28-SSOPH-375SG2 -25°C ~ +75°C KA3080BD3TF 28-SSOPH-375SG2 -25°C ~ +75°C Rev. 1.0.2 ©2002 Fairchild Semiconductor Corporation KA3080/KA3080D/KA3080DM VCTL ILIM CI VCC1 23 22 21 20 19 18 17 10 11 12 13 14 15 16 VOUT WOUT VCC2 27 UOUT FGIN1 28 VREF FGIN2 29 GOUT FGOUT1 30 NC FGOUT2 31 RS TRCTL 32 GND F/RCTL Pin Assignments (32SDIPH) 26 25 24 3 4 5 6 V− W+ W− 7 8 9 GND 2 V+ U+ 1 U− KA3080 Pin Definitions (32SDIPH) 2 Pine Number Pin Name I/O Pin Function Description 1 U+ I U+ Hall Signal Input 2 U- I U- Hall Signal Input 3 V+ I V+ Hall Signal Input 4 V- I V- Hall Signal Input 5 W+ I W+ Hall Signal Input 6 W- I W- Hall Signal Input 7 GND - Ground (Signal) 8 GND - Ground (Signal) 9 GND - Ground (Signal) 10 GND - Ground (Signal) 11 RS O Output Current Detection 12 GOUT - Ground (Power) 13 UOUT O U Out 14 VOUT O V Out 15 WOUT O W Out 16 VCC2 - Supply Voltage (Power) 17 VCC1 - Supply Voltage(Signal) 18 CI - Phase Stabilization 19 ILIM I Current Limitation 20 VCTL I Voltage Control 21 VREF I Voltage Control Reference 22 NC - No Connection 23 GND - Ground (Signal) 24 GND - Ground (Signal) 25 GND - Ground (Signal) 26 GND - Ground (Signal) KA3080/KA3080D/KA3080DM Pin Definitions (32-SDIPH) (Continued) Pine Number Pin Name I/O Pin Function Description 27 FGIN1 I FG Amp. Input1 28 FGIN2 I FG Amp. Input2 29 FGOUT1 O FG Amp. Output 30 FGOUT2 O FG Comp. Output 31 TRCTL I Troque Ripple Control 32 F/RCTL I Forward & Reverse Control U+ 21 20 19 18 17 16 15 8 9 10 11 12 13 14 V+ U− FIN V− 22 FGOUT1 RS 23 W+ NC 24 FGIN2 NC 25 W− GOUT 26 FGIN1 UOUT 27 GND VOUT 28 GND WOUT Pin Assignments (28-SSOPH) VCTL 7 FIN FRCTL ILIM 6 TRCTL 5 FGOUT2 4 NC 3 VREF 2 CI VCC2 1 VCC1 KA3080D Pin Definitions (28-SSOPH) Pine Number Pin Name I/O Pin Function Description 1 VCC2 - 2 VCC1 - Supply Voltage (Signal) 3 CI - Phase Stabilization 4 ILIM I Current Limitation 5 VCTL I Voltage Control 6 VREF I Voltage Control Reference 7 NC - No Connection 8 GND - Ground (Signal) 9 FGIN1 I FG Amp. Input 1 10 FGIN2 I FG Amp. Input 2 11 FGOUT1 O FG Amp. Output 12 FGOUT2 O FG Comp. Output 13 TRCTL I Torque Ripple Control 14 FRCTL I Forward & Reverse Control 15 U+ I U+ Hall Signal Input Supply Voltage (Power) 3 KA3080/KA3080D/KA3080DM Pin Definitions (28-SSOPH) (Continued) Pine Number Pin Name I/O Pin Function Description 16 U- I U- Hall Signal Input 17 V+ I V+ Hall Signal Input 18 V- I V- Hall Signal Input 19 W+ I W+ Hall Signal Input 20 W- I W- Hall Signal Input 21 GND - Ground (Signal) 22 RS O Output Current Detection 23 NC - No Connection 24 NC - No Connection 25 GOUT - Ground (Power) 26 UOUT O U Out 27 VOUT O V Out 28 WOUT O W Out FGIOUT1 FGIN2 FGIN1 GND GND GND GND NC VREF VCTL 30 29 28 27 26 25 24 23 22 21 20 19 1.25V VCC1 FGOUT2 31 CI TRCTL 32 ILIM F/RCTL Internal Block Diagram (32-SDIPH) 18 17 2.5V − + CW & CCW − + − + − + ++ − TSD LOGIC 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 V+ V− W+ W− GND GND GND GND RS GOUT UOUT VOUT WOUT VCC2 + − U− + − U+ + − KA3080/KA3080D/KA3080DM 22 FIN U+ RS 23 U− NC 24 V+ NC 25 V− GOUT 26 W+ UOUT 27 W− VOUT 28 GND WOUT Internal Block Diagram (28-SSOPH) 21 20 19 18 17 16 15 − + − + − + LOGIC TSD −++ 2.5V − + + − 1.8k + − + − 56k CW&CCW VCC1 CI ILIM VCTL VREF NC FIN 8 9 10 11 12 13 14 FRCTL 7 TRCTL 6 FGOUT2 5 FGOUT1 4 FGIN2 3 FGIN1 2 GND 1 VCC2 1.25V 5 KA3080/KA3080D/KA3080DM Equivalent Circuits (32-SDIPH: Ο, 28-SSOPH: (#)) Description Pin No. Internal Circuit Vcc1 32-SDIPH 1, 2, 3 4, 5, 6 Hall Input 28-SSOPH 15, 16, 17 18, 19, 20 (16) (15) 1 2 (17) 3 4 (19) 5 6 (18) (20) 16 (1) VCC2 13 (26) UOUT Output & Current Detection 32-SDIPH 13, 14, 15, 11 14 (27) VOUT 15 (28) WOUT 28-SSOPH 26, 27, 28, 22 11 (22 Pin) RS (0.5Ω) Vcc1 Speed Control (Current limitation) 6 32-SDIPH 19 28-SSOPH 4 (4) 19 12 (25 Pin) KA3080/KA3080D/KA3080DM Equivalent Circuits (32-SDIPH: Ο , 28-SSOPH: (#)) (Continued) Description Pin No. Internal Circuit VCC1 Speed Control (Voltage Control) 32-SDIPH 20 (5Pin) 20 28-SSOPH 5 GOUT Vcc1 Voltage Control Reference 32-SDIPH 21 (6Pin) 21 28-SSOPH 6 11 (22Pin) RS Vcc1 Torque Ripple Control 32-SDIPH 31 28-SSOPH 13 RS 31 (13Pin) Vcc1 Forward & Reverse Control 32-SDIPH 32 28-SSOPH 14 32 1.25V 7 KA3080/KA3080D/KA3080DM Equivalent Circuits (32-SDIPH: Ο , 28-SSOPH: (#)) (Continued) Description Pin No. Internal Circuit FG AMP 32-SDIPH 27, 28, 29, 30 (9Pin) 30 FG AMP. 28-SSOPH 9, 10, 11, 12 27 − (12Pin) + 2.5V + − 29 FG COMP (11Pin) 28 (10Pin) CI (3Pin) 18 Phase Stabilization 8 32-SDIPH 16, 18 28-SSOPH 1, 3 16 (1Pin) KA3080/KA3080D/KA3080DM Absolute Maximum Ratings (Ta=25°°C) Parameter Symbol Value Unit Remark Supply Voltage (Signal) VCC1max 7 V - Supply Voltage (Power) VCC2max 28 V - Maxium Output Current IOmax 1.5note1 A / Phase VCC1=5V, VCC2=16V 2.4note2 W 32SDIPH-400 1.7 note2 W 28SSOPH-375 2.5 note2 W 28SSOPH-375SG2 Power Dissipation Pd TJ 150 °C Operating Temperature TOPR -25 ~ +75 °C Storage Temperature TSTG -40 ~ +125 °C Junction Temperature VCC1=5V, VCC2=16V Note: 1. Duty 1 / 100, pulse width 500µs 2. 1) When mounted on glass epoxy PCB (76.2 × 114 × 1.57mm) 2) Power dissipation reduces 13.6mW / °C for using above Ta=25°C. (32SDIPH Type) Power dissipation reduces 19.2mW / °C for using above Ta=25°C. (28SSOPH Type) Power dissipation reduces 20.0mW / °C for using above Ta=25°C. (28SSOPH -SG2 Type) 3) Do not exceed Pd and SOA(Safe Operating Area). Power Dissipation Curve Power dissipation (W) 2.5 2.4 28 -S SO PH 32 -3 7 SD 5S IPH G2 SOA 28-SSO PH-375 1.7 0 25 75 150 Ambient temperature, Ta [°C] Recommened Operating Conditions (Ta=25°°C) Parameter Symbol Value Unit Operating Supply Voltage (Signal) VCC1 4.5 ~ 5.5 V Operating Supply Voltage (Power) VCC2 8 ~ 27 V 9 KA3080/KA3080D/KA3080DM Electrical Characteristics (VCC1=5V, VCC2=16V, RS=0.5Ω, Ta=25°C, unless otherwise specified) Block Total Output Control Parameter Conditions Min. Typ. max. Unit Quiescent Input Current 1 ICC1 VCC1=5V, VFR=5V 5.0 8.5 12.0 mA Quiescent Input Current 3 ICC3 VCC1=7V, VFR=5V 6.0 10.0 15.0 mA Quiescent Input Current IO1 VCC2=16V, VLIM=0V - 1.5 5.0 mA Quiescent Input Current (Max.) IO3 VCC2=27V, VLIM=VREF - 2.7 7.0 mA 0.61 0.67 0.73 28-SSOPH 0.46 0.52 0.58 32-SDIPH 0.9 1.0 1.1 28-SSOPH 0.7 0.8 0.9 32-SDIPH Current Limit Level GML1 RS=0.5Ω Control Gain GM1 VIN=0V Output Amp. Saturation Voltage 4 (Outflow Current) VSU4 IOUT=0.8A / Phase - 1.8 2.0 V Output Amp. Saturation Voltage 4 (Inflow Current) VSD4 IOUT=0.8A / Phase - 1.8 2.0 V Limit Current Gap Of Phases LD1 LIVU2-LIWU2 -20 0 20 mA Current Gap Of Phases D1 IVU1-IWU1 -20 0 20 mA Phase Output Wave Frequency 1 PF1 15kHz, 5Vp-p 2.45 2.5 2.55 kHz Phase Output Wave Frequency 4 PF4 10kHz, 5Vp-p 1.62 1.67 1.72 kHz Current Limit Input Current I19 - - 350 2000 nA Control Input Current I20 - - 350 2000 nA Input Offset Voltage U VO2U - -50 0 50 mV VFRU - 1.0 1.3 1.6 V V28(10) 32-SDIPH (28-SSOPH) 2.2 2.5 2.8 V FG Amp. Reference Voltage V27(9) 32-SDIPH (28-SSOPH) 2.2 2.5 2.8 V FG Amp. Voltage Gain FGAV1 FGIN3=10kHz, 60mVp-p 28 31 34 Times FG Comp. Output Frequency FCOMP FGAMP0=3Vp-p (1kHz) 0.9 1 1.1 kHz VTHDW FGAMP0=3→2 Sweep 2.40 2.45 2.50 V VTHUP FGAMP0=2→3 Sweep 2.50 2.55 2.60 V 20 100 180 mV Rotation CW Voltage Range Control FG Amp. Input DC Voltage FG Comp Downward Input FG amp Threshold Voltage & comp FG Comp. UPward Input Threshold Voltage 10 Symbol A/V A/V FG Comp. Hysteresis VHYS FG Output High Voltage FGHI FGIN3=3V 4.2 - - V FG Output Low Voltage FGLO FGIN3=2V - - 0.4 V - KA3080/KA3080D/KA3080DM Application Information (32-SDIPH: Ο , 28-SSOPH: (#)) 1. Hall Input The input signal of the hall sensor requires larger amplitude than 100mVo-p. The operating voltage level of the hall sensor is from 1.2V ~ VCC1-0.8V. VCC1 (15) 1 2 (16) (17) 3 4 (18) (19) 5 6 (20) More than 1.7V More than 100mVo-p More than 1.3V 2. Output Current Detection 16 (1) VCC2 13 (26) UOUT 14 (27) VOUT 15 (28) WOUT 11 (22 Pin) 12 (25 Pin) RS (0.5Ω) The RS (Output current sensing resistor ) is connected to GOUT and Approx. 0.5Ω, It converts motor current to a voltage which is feedback amplifier. 3. Motor Speed Control (Input Current Limitation) The maxmum output current is limitted by the ILIM (Current limiting) voltage. If current limitation is not in use then connect it to VCC1. The control gain is approx. 0.67A/V as follows. GML = ∆IO / ∆VLIM = (IO2 − IO1) / (VLIM2 − VLIM1), where VLIM1 = 1.45V → Output current=IO1 VLIM2 = 1.55V → Output current=IO2 11 KA3080/KA3080D/KA3080DM Output Current (Max.) (4) 19 0.67A/V 0 1.25V VLIM 4. Motor Speed Control (Input Voltage Control) Motor speed control is possible when VCTL ≥ VREF. The control gain is approx. 1.0A/V as follows. GML = ∆IO / ∆VCTL = (IO2 − IO1) / (VCTL2 − VCTL1), where VREF = 2.5V, VCTL1 = 2.6V → Output current=IO1 VREF = 2.5V, VCTL2 = 2.7V → Output current=IO2 VCC1 Output Current (Max.) (5Pin) 20 1.0A/V 0 GOUT VREF 5. Voltage Control Reference (6Pin) 21 11 (22Pin) RS The input voltage range is 2V ≤ VREF ≤ (VCC1 - 2V). 12 VLIM KA3080/KA3080D/KA3080DM 6. Torque Ripple Control VCC1 1 2 3 31 RS (13Pin) The motor torque ripple is controlled by the TRCTL (Torque ripple control) voltege as follows. 1. GND 2. Normal Mode 3. Control Mode 7. Forward & Reverse Rotation Control (14Pin) 32 1.25V Forward mode: VFRCTL ≥ 1.8V Reverse mode: VFRCTL ≤ 0.8V 8. FG Amp FG AMP 27 (9Pin) − (12Pin) 30 + 2.5V + − 29 FG COMP 28 (10Pin) (11Pin) 9. Phase Stabilization CI (3Pin) 18 16 (1Pin) Be inserted a capacitor between VCC2. This capacitor, approx. 0.1µF is for the phase stabilization of the circuit. 13 KA3080/KA3080D/KA3080DM Timming Chart FRCTL forward mode (CW): High FRCTL reverse mode (CCW): Low U (+) U U (−) V (+) V V (−) W (+) W W (−) + OUTFLOW UOUT INFLOW − + VOUT − + WOUT − ωt 0 14 180 360 540 720 ωt 0 180 360 540 720 KA3080/KA3080D/KA3080DM Test Circuits (32-SDIPH) R3=10k R2=1k R1=10k VFR M H SW1 2 1 U+ F/RCTL L V1 M V2 H 32 R10=1k SW2 SW14 3 2 U− TRCTL 31 2 1 L M V3 H SW15 13 SW3 3 V+ FGOUT2 30 4 V− FGOUT1 29 FGOUT2 L M V4 H SW4 L M V5 H FGOUT1 SW11 1 SW5 5 FGIN2 W+ 2 28 L M V6 H FGIN2 1µF SW6 6 FGIN1 W− 27 FGIN1 L 1µF 7 GND 8 GND 9 KA3080 GND GND 26 GND 25 GND 24 R8=1k R9=1k 10 GND GND 23 FGCTL (VCTL) R4=0.5(20W) A 11 NC RS 22 10M SW7 SW16 12 R5=R6=R7=5(20W) A SW8 A 13 VREF GOUT UOUT VCLT VCTL 21 2 SW13 20 10M VLIM 14 VOUT ILIM 2 19 SW9 3 A 15 WOUT 16 VCC2 SW10 C1=C2=C3=0.1µF ICC1 VCC2=16V 1 CI 18 VCC1 17 SW12 1 10M ICC2 0.01µF 10µF VCC1=5V 0.1µF 15 KA3080/KA3080D/KA3080DM Test Circuits (28-SSOPH) C7 C4 0.01µ 10µ VCC2=16V ICC1 R7=R8=R9=5(20W) 1 VCC2 WOUT 28 2 VCC1 VOUT 27 VCC1=5V ICC1 VLIM A SW10 A SW9 1µ 1 SW12 23 10M SW13 10M 1 VCTL 2 SW16 3 CI UOUT 26 GOUT 25 C2 R8 A R9 SW8 4 ILIM 5 VCTL NC 24 6 VREF NC 23 NC RS 22 7 C3 R4 0.5(20W) A SW7 R9 1k R8 1k FIN C6 FGIN1 1µ + FIN KA3080D 8 GND 9 FGIN1 GND 21 W− 20 SW1 H SW2 L H SW3 L H SW4 L H SW5 L H SW6 L H 1 SW11 2 FGIN2 + C5 1µ R10 1k VFR 1 3 10 FGIN2 11 W+ 19 FGOUT1 V− 18 12 FGOUT2 V+ 17 13 TRCTL U− 16 14 FRCTL U+ 15 FGOUT1 FGOUT2 3 2 1 2 3 SW15 SW14 M M V5 M V4 M V3 M V2 M V1 L R1 10k 16 V6 R2 1k R3 10k KA3080/KA3080D/KA3080DM Typical Application Circuits (32-SDIPH) VCC1=5V (SIGNAL) 180k 1 U+ F/RCTL 32 2 U− TRCTL 31 3 V+ FGOUT2 30 FGAMP OUTPUT2 4 V− FGOUT1 29 FGAMP OUTPUT1 5 W+ FGIN2 28 FGAMP INPUT 2 6 W− FGIN1 27 FGAMP INPUT1 7 GND GND 26 8 GND GND 25 HU F/R 7.5k HV HW 180k KA3080 9 GND GND 24 10 GND GND 23 11 RS NC 22 0.5k 10k 12 GOUT VREF 21 10k LU 13 UOUT VCTL 20 VCTL 14 VOUT ILIM 19 ILIM 15 WOUT CI 18 16 Vcc2 Vcc1 17 LV LW VCC2=16V (POWER) VCC2=5V (SIGNAL) + 10µF 104 17 KA3080/KA3080D/KA3080DM Typical Application Circuits (28-SSOPH) 10µ VCC2=16V (POWER) 0.1µ 1 VCC2 WOUT 28 2 VCC1 VOUT 27 3 CI UOUT 26 4 ILIM GOUT 25 LW LV VCC1=5V (SIGNAL) LU VCTL INPUT 0.1µ 0.1µ 5 VCTL NC 24 6 VREF NC 23 7 NC RS 22 0.5(20W) 10k 10k KA3080D FIN GND (SIGNAL) 8 GND FG AMP INPUT1 9 FG AMP INPUT2 FIN GND 21 FGIN1 W− 20 10 FGIN2 W+ 19 FG AMP OUTPUT1 11 FGOUT1 V− 18 FG AMP OUTPUT2 12 FGOUT2 V+ 17 TRCTL INPUT 13 TRCTL U− 16 FRCTL INPUT 14 FRCTL U+ 15 180k HW HV HU 180k 18 GND (POWER) KA3080/KA3080D/KA3080DM 19 KA3080/KA3080D/KA3080DM 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 9/6/02 0.0m 001 Stock#DSxxxxxxxx 2002 Fairchild Semiconductor Corporation