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www.fairchildsemi.com KA3080/KA3080D/KA3080DM 3-Phase BLDC Motor Driver Features * 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 Description 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 KA3080C KA3080BD KA3080BDTF KA3080BD3 Package 32-SDIPH-400 28-SSOPH-375 28-SSOPH-375 28-SSOPH-375SG2 Operating Temp. -25C ~ +75C -25C ~ +75C -25C ~ +75C -25C ~ +75C -25C ~ +75C KA3080BD3TF 28-SSOPH-375SG2 Rev. 1.0.2 (c)2002 Fairchild Semiconductor Corporation KA3080/KA3080D/KA3080DM Pin Assignments (32SDIPH) FGOUT2 FGOUT1 F/RCTL TRCTL FGIN2 FGIN1 VREF VCTL GND ILIM NC 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 CI 15 WOUT 17 KA3080 1 U+ 2 U- 3 V+ 4 V- 5 W+ 6 W- 7 8 GND 9 10 11 RS 12 GOUT 13 UOUT 14 VOUT 16 VCC2 Pin Definitions (32SDIPH) Pine 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 Pin Name U+ UV+ VW+ WGND GND GND GND RS GOUT UOUT VOUT WOUT VCC2 VCC1 CI ILIM VCTL VREF NC GND GND GND GND I/O I I I I I I O O O O I I I Pin Function Description U+ Hall Signal Input U- Hall Signal Input V+ Hall Signal Input V- Hall Signal Input W+ Hall Signal Input W- Hall Signal Input Ground (Signal) Ground (Signal) Ground (Signal) Ground (Signal) Output Current Detection Ground (Power) U Out V Out W Out Supply Voltage (Power) Supply Voltage(Signal) Phase Stabilization Current Limitation Voltage Control Voltage Control Reference No Connection Ground (Signal) Ground (Signal) Ground (Signal) Ground (Signal) 2 VCC1 KA3080/KA3080D/KA3080DM Pin Definitions (32-SDIPH) (Continued) Pine Number 27 28 29 30 31 32 Pin Name FGIN1 FGIN2 FGOUT1 FGOUT2 TRCTL F/RCTL I/O I I O O I I FG Amp. Input1 FG Amp. Input2 FG Amp. Output FG Comp. Output Troque Ripple Control Forward & Reverse Control Pin Function Description Pin Assignments (28-SSOPH) WOUT UOUT VOUT GOUT GND W+ W- NC NC RS V- U+ 15 14 FRCTL U- 16 13 TRCTL V+ 17 12 FGOUT2 28 27 26 25 24 23 22 FIN 21 20 19 18 KA3080D 1 VCC2 2 VCC1 3 CI 4 ILIM 5 VCTL 6 VREF 7 NC FIN 8 GND 9 FGIN1 10 FGIN2 11 FGOUT1 Pin Definitions (28-SSOPH) Pine Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Pin Name VCC2 VCC1 CI ILIM VCTL VREF NC GND FGIN1 FGIN2 FGOUT1 FGOUT2 TRCTL FRCTL U+ I/O I I I I I O O I I I Pin Function Description Supply Voltage (Power) Supply Voltage (Signal) Phase Stabilization Current Limitation Voltage Control Voltage Control Reference No Connection Ground (Signal) FG Amp. Input 1 FG Amp. Input 2 FG Amp. Output FG Comp. Output Torque Ripple Control Forward & Reverse Control U+ Hall Signal Input 3 KA3080/KA3080D/KA3080DM Pin Definitions (28-SSOPH) (Continued) Pine Number 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name UV+ VW+ WGND RS NC NC GOUT UOUT VOUT WOUT I/O I I I I I O O O O U- Hall Signal Input V+ Hall Signal Input V- Hall Signal Input W+ Hall Signal Input W- Hall Signal Input Ground (Signal) Output Current Detection No Connection No Connection Ground (Power) U Out V Out W Out Pin Function Description Internal Block Diagram (32-SDIPH) FGIOUT1 FGOUT2 F/RCTL TRCTL FGIN2 FGIN1 VREF 32 31 30 29 28 27 2.5V 26 25 24 23 22 21 20 19 1.25V -+ -+ 18 17 CW & CCW -+ -+ ++ - TSD LOGIC +- +- +- 1 U+ 2 U- 3 V+ 4 V- 5 W+ 6 W- 7 GND 8 GND 9 GND 10 GND 11 RS 12 GOUT 13 UOUT 14 VOUT 15 WOUT 16 VCC2 4 VCC1 VCTL GND GND GND GND ILIM NC CI KA3080/KA3080D/KA3080DM Internal Block Diagram (28-SSOPH) WOUT GOUT UOUT VOUT GND W+ W- NC NC RS FIN 28 27 26 25 24 23 22 21 20 19 18 17 16 15 -+ -+ -+ LOGIC TSD -++ 2.5V 1.8k +- + - 56k - + +- 1.25V 1 VCC2 2 VCC1 3 CI 4 ILIM 5 VCTL CW&CCW 6 VREF 7 NC FGOUT1 FGOUT2 TRCTL FRCTL FGIN1 FGIN2 GND FIN 8 9 10 11 12 13 14 U+ U- V+ V- 5 KA3080/KA3080D/KA3080DM Equivalent Circuits (32-SDIPH: , 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 (15) 1 (17) 3 (19) 5 2 4 6 (16) (18) (20) 16 (1) VCC2 13 (26) UOUT Output & Current Detection 32-SDIPH 13, 14, 15, 11 28-SSOPH 26, 27, 28, 22 11 (22 Pin) RS (0.5) 14 (27) VOUT 15 (28) WOUT 12 (25 Pin) Vcc1 Speed Control (Current limitation) 32-SDIPH 19 28-SSOPH 4 (4) 19 6 KA3080/KA3080D/KA3080DM Equivalent Circuits (32-SDIPH: , 28-SSOPH: (#)) (Continued) Description Pin No. Internal Circuit VCC1 Speed Control (Voltage Control) 32-SDIPH 20 28-SSOPH 5 (5Pin) 20 GOUT Vcc1 Voltage Control Reference 32-SDIPH 21 28-SSOPH 6 (6Pin) 21 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: , 28-SSOPH: (#)) (Continued) Description Pin No. Internal Circuit FG AMP 32-SDIPH 27, 28, 29, 30 FG AMP. 28-SSOPH 9, 10, 11, 12 30 (12Pin) 27 (9Pin) - + + 29 FG COMP (11Pin) - 2.5V 28 (10Pin) CI (3Pin) 18 16 (1Pin) Phase Stabilization 32-SDIPH 16, 18 28-SSOPH 1, 3 8 KA3080/KA3080D/KA3080DM Absolute Maximum Ratings (Ta=25C) Parameter Supply Voltage (Signal) Supply Voltage (Power) Maxium Output Current Power Dissipation Junction Temperature Operating Temperature Storage Temperature Symbol VCC1max VCC2max IOmax Pd TJ TOPR TSTG Value 7 28 1.5note1 2.4note2 1.7 2.5 note2 note2 Unit V V A / Phase W W W C C C Remark VCC1=5V, VCC2=16V 32SDIPH-400 28SSOPH-375 28SSOPH-375SG2 VCC1=5V, VCC2=16V 150 -25 ~ +75 -40 ~ +125 Note: 1. Duty 1 / 100, pulse width 500s 2. 1) When mounted on glass epoxy PCB (76.2 x 114 x 1.57mm) 2) Power dissipation reduces 13.6mW / C for using above Ta=25C. (32SDIPH Type) Power dissipation reduces 19.2mW / C for using above Ta=25C. (28SSOPH Type) Power dissipation reduces 20.0mW / C for using above Ta=25C. (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=25C) Parameter Operating Supply Voltage (Signal) Operating Supply Voltage (Power) Symbol VCC1 VCC2 Value 4.5 ~ 5.5 8 ~ 27 Unit V V 9 KA3080/KA3080D/KA3080DM Electrical Characteristics (VCC1=5V, VCC2=16V, RS=0.5, Ta=25C, unless otherwise specified) Block Parameter Quiescent Input Current 1 Total Quiescent Input Current 3 Quiescent Input Current Quiescent Input Current (Max.) Current Limit Level Control Gain Output Amp. Saturation Voltage 4 (Outflow Current) Output Amp. Saturation Voltage 4 (Inflow Current) Limit Current Gap Of Phases Current Gap Of Phases Phase Output Wave Frequency 1 Phase Output Wave Frequency 4 Current Limit Input Current Control Control Input Current Input Offset Voltage U Rotation CW Voltage Range Control FG Amp. Input DC Voltage FG Amp. Reference Voltage FG Amp. Voltage Gain FG Comp. Output Frequency FG Comp Downward Input FG amp Threshold Voltage & comp FG Comp. UPward Input Threshold Voltage FG Comp. Hysteresis FG Output High Voltage FG Output Low Voltage Symbol ICC1 ICC3 IO1 IO3 GML1 GM1 VSU4 VSD4 LD1 D1 PF1 PF4 I19 I20 VO2U VFRU V28(10) V27(9) FGAV1 FCOMP VTHDW VTHUP VHYS FGHI FGLO FGIN3=3V FGIN3=2V Conditions VCC1=5V, VFR=5V VCC1=7V, VFR=5V VCC2=16V, VLIM=0V VCC2=27V, VLIM=VREF RS=0.5 VIN=0V 32-SDIPH 32-SDIPH 28-SSOPH Min. 5.0 6.0 0.61 0.9 0.7 -20 -20 2.45 1.62 -50 1.0 2.2 2.2 28 0.9 2.40 2.50 20 4.2 Typ. 8.5 10.0 1.5 2.7 0.67 0.52 1.0 0.8 1.8 1.8 0 0 2.5 1.67 350 350 0 1.3 2.5 2.5 31 1 2.45 2.55 100 max. 12.0 15.0 5.0 7.0 0.73 0.58 1.1 0.9 2.0 2.0 20 20 2.55 1.72 2000 2000 50 1.6 2.8 2.8 34 1.1 2.50 2.60 180 0.4 Unit mA mA mA mA A/V A/V V V mA mA kHz kHz nA nA mV V V V Times kHz V V mV V V 28-SSOPH 0.46 IOUT=0.8A / Phase IOUT=0.8A / Phase LIVU2-LIWU2 IVU1-IWU1 15kHz, 5Vp-p 10kHz, 5Vp-p 32-SDIPH (28-SSOPH) 32-SDIPH (28-SSOPH) FGIN3=10kHz, 60mVp-p FGAMP0=3Vp-p (1kHz) FGAMP0=32 Sweep FGAMP0=23 Sweep - Output 10 KA3080/KA3080D/KA3080DM Application Information (32-SDIPH: , 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 (17) 3 (19) 5 2 4 6 (16) (18) More than 1.7V More than 100mVo-p (20) More than 1.3V 2. Output Current Detection 16 (1) VCC2 13 (26) UOUT 14 (27) VOUT 15 (28) WOUT 11 (22 Pin) RS (0.5) 12 (25 Pin) The RS (Output current sensing resistor ) is connected to GOUT and Approx. 0.5, 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.) 1.0A/V (5Pin) 20 GOUT 0 VREF VLIM 5. Voltage Control Reference (6Pin) 21 11 (22Pin) RS The input voltage range is 2V VREF (VCC1 - 2V). 12 KA3080/KA3080D/KA3080DM 6. Torque Ripple Control VCC1 RS 31 1 2 3 (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 - (12Pin) 30 + 29 FG COMP (11Pin) - 28 (10Pin) + 2.5V 27 (9Pin) 9. Phase Stabilization CI (3Pin) 18 16 (1Pin) Be inserted a capacitor between VCC2. This capacitor, approx. 0.1F 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 - t 0 180 360 540 720 0 180 360 540 720 t 14 KA3080/KA3080D/KA3080DM Test Circuits (32-SDIPH) R3=10k R2=1k R1=10k VFR M V1 M V2 M V3 M V4 M V5 M V6 H L H L H L H L H L H L SW1 2 1 U+ F/RCTL 32 13 SW15 R10=1k SW2 SW14 3 2 U- TRCTL 31 1 30 FGOUT2 FGOUT1 SW11 1 2 SW3 3 V+ FGOUT2 SW4 4 V- FGOUT1 29 2 28 SW5 5 W+ FGIN2 FGIN2 1F SW6 6 W- FGIN1 27 1F 7 GND GND 26 FGIN1 8 GND KA3080 GND 25 9 GND GND 24 R9=1k R8=1k 10 R4=0.5(20W) A SW7 11 GND GND 23 FGCTL (VCTL) RS NC 22 SW16 10M VCTL 12 R5=R6=R7=5(20W) A SW8 A SW9 GOUT VREF 21 2 SW13 VLIM 1 13 UOUT VCLT 20 10M 2 3 1 10M SW12 14 VOUT ILIM 19 A SW10 C1=C2=C3=0.1F ICC1 VCC2=16V 15 WOUT CI 18 16 VCC2 VCC1 17 ICC2 0.01F 10F VCC1=5V 0.1F 15 KA3080/KA3080D/KA3080DM Test Circuits (28-SSOPH) VCC2=16V ICC1 VCC1=5V ICC1 VLIM 1 C7 C4 0.01 10 1 2 1 SW12 23 10M SW13 1 2 3 4 5 6 7 CI ILIM VCTL VREF NC UOUT GOUT NC NC RS 26 SW8 25 24 23 VCC2 VCC1 WOUT VOUT 28 27 SW9 A A SW10 A R7=R8=R9=5(20W) C3 C2 R8 R9 10M VCTL R4 0.5(20W) 22 A SW7 SW16 R8 1k R9 1k FIN KA3080D FIN C6 FGIN1 1 + 1 SW11 8 9 2 3 10 11 FGOUT1 12 FGOUT2 3 21 2 3 SW15 SW14 14 13 GND FGIN1 FGIN2 FGOUT1 FGOUT2 TRCTL FRCTL GND W- W+ V- V+ U- U+ 21 SW1 20 SW2 19 SW3 18 SW4 17 SW5 16 SW6 15 H M L H M L H M L H M L H M L H M L R1 10k R2 1k R3 10k V6 V5 V4 V3 V2 V1 FGIN2 + C5 1 R10 1k VFR 1 16 KA3080/KA3080D/KA3080DM Typical Application Circuits (32-SDIPH) VCC1=5V (SIGNAL) 180k 1 HU 2 U+ F/RCTL 32 7.5k F/R U- TRCTL 31 3 HV 4 V+ FGOUT2 30 FGAMP OUTPUT2 V- FGOUT1 29 FGAMP OUTPUT1 5 HW 180k 6 W+ FGIN2 28 FGAMP INPUT 2 W- FGIN1 27 FGAMP INPUT1 7 GND GND 26 8 GND GND 25 KA3080 9 GND GND 24 10 0.5k 11 GND GND 23 RS NC 22 10k 12 LU 13 LV 14 LW 15 GOUT VREF 21 10k UOUT VCTL 20 VCTL VOUT ILIM 19 ILIM WOUT CI 18 16 VCC2=16V (POWER) + 10F Vcc2 Vcc1 17 VCC2=5V (SIGNAL) 104 17 KA3080/KA3080D/KA3080DM Typical Application Circuits (28-SSOPH) VCC2=16V (POWER) 1 2 VCC1=5V (SIGNAL) 3 4 5 6 7 VCC2 VCC1 CI WOUT VOUT UOUT GOUT NC NC RS 10 0.1 28 LV 27 LU 26 25 0.1 0.1 VCTL VREF NC 24 23 22 0.5(20W) GND (POWER) LW VCTL INPUT ILIM 10k 10k FIN KA3080D FIN GND (SIGNAL) FG AMP INPUT1 FG AMP INPUT2 FG AMP OUTPUT1 FG AMP OUTPUT2 TRCTL INPUT FRCTL INPUT 8 9 10 11 12 13 14 GND FGIN1 FGIN2 FGOUT1 FGOUT2 TRCTL FRCTL GND W- W+ V- 21 20 HW 19 18 HV 17 16 HU 15 180k 180k V+ U- U+ 18 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. www.fairchildsemi.com 9/6/02 0.0m 001 Stock#DSxxxxxxxx 2002 Fairchild Semiconductor Corporation 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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