KA3080 Fairchild Semiconductor, KA3080 Datasheet
KA3080
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KA3080 Summary of contents
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... D/KA3080DM 3-Phase BLDC Motor Drive r 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 • ...
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... V REF GND 24 GND 25 GND 26 GND KA3080 I/O Pin Function Description I U+ Hall Signal Input I U- Hall Signal Input I V+ Hall Signal Input I V- Hall Signal Input I W+ Hall Signal Input I W- Hall Signal Input ...
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... Phase Stabilization I Current Limitation I Voltage Control I Voltage Control Reference - No Connection - Ground (Signal Amp. Input Amp. Input Amp. Output O FG Comp. Output I Torque Ripple Control I Forward & Reverse Control I U+ Hall Signal Input KA3080/KA3080D/KA3080DM ...
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... KA3080/KA3080D/KA3080DM Pin Definitions (28-SSOPH) Pine Number Pin Name GND OUT 26 U OUT 27 V OUT 28 W OUT Internal Block Diagram (32-SDIPH & CCW + TSD + + (Continued) I/O Pin Function Description I U- Hall Signal Input ...
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... Internal Block Diagram (28-SSOPH 1.25V FIN LOGIC + + 2.5V 1. FIN KA3080/KA3080D/KA3080DM TSD + + 56k CW&CCW ...
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... KA3080/KA3080D/KA3080DM Equivalent Circuits (32-SDIPH: , 28-SSOPH: (#)) Description Pin No. 32-SDIPH Hall Input 28-SSOPH 15, 16, 17 18, 19, 20 32-SDIPH 13, 14, 15, 11 Output & Current Detection 28-SSOPH 26, 27, 28, 22 32-SDIPH 19 Speed Control (Current limitation) 28-SSOPH 4 6 Internal Circuit Vcc1 (15) 1 (17 (19) 16 (1) V ...
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... Description Pin No. 32-SDIPH 20 Speed Control (Voltage Control) 28-SSOPH 5 32-SDIPH 21 Voltage Control Reference 28-SSOPH 6 32-SDIPH 31 Torque Ripple Control 28-SSOPH 13 32-SDIPH 32 Forward & Reverse Control 28-SSOPH 14 , 28-SSOPH: (#)) (Continued) Internal Circuit V CC1 (5Pin) 20 Vcc1 (6Pin Vcc1 (13Pin) Vcc1 32 KA3080/KA3080D/KA3080DM G OUT 11 (22Pin) 1.25V 7 ...
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... KA3080/KA3080D/KA3080DM Equivalent Circuits (32-SDIPH: Description Pin No. 32-SDIPH 27, 28, 29 AMP. 28-SSOPH 9, 10, 11, 12 32-SDIPH 16, 18 Phase Stabilization 28-SSOPH 28-SSOPH: (#)) (Continued) Internal Circuit 30 + (12Pin COMP (11Pin) CI (3Pin AMP 27 (9Pin) + 2.5V 28 (10Pin) 16 (1Pin) ...
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... P 1.7 d note2 2.5 T 150 J T -25 ~ +75 OPR T -40 ~ +125 STG 114 1.57mm) SOA Ambient temperature Symbol V CC1 V CC2 KA3080/KA3080D/KA3080DM Unit Remark Phase V =5V, V =16V CC1 CC2 W 32SDIPH-400 W 28SSOPH-375 W 28SSOPH-375SG2 =5V, V =16V CC1 CC2 C 150 Value Unit 4 ...
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... KA3080/KA3080D/KA3080DM Electrical Characteristics (V =5V, V =16V, R =0.5 , Ta=25 C, unless otherwise specified) CC1 CC2 S Block Parameter Quiescent Input Current 1 Quiescent Input Current 3 Total Quiescent Input Current Quiescent Input Current (Max.) Current Limit Level Control Gain Output Amp. Saturation Voltage 4 (Outflow Current) Output Output Amp. Saturation Voltage 4 ...
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... S and Approx. 0 converts motor current to a voltage OUT (Current limiting) voltage. LIM . CC1 V ), where V = 1.45V LIM2 LIM1 LIM1 V = 1.55V LIM2 KA3080/KA3080D/KA3080DM More than 1.7V More than 100mVo-p More than 1.3V OUT (27) V OUT 14 (28 OUT 12 (25 Pin) Output current=I O1 Output current=I O2 ...
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... KA3080/KA3080D/KA3080DM ( Motor Speed Control (Input Voltage Control) Motor speed control is possible when V The control gain is approx. 1.0A/V as follows. GML = CTL O2 O1 (5Pin Voltage Control Reference The input voltage range REF 12 Output Current (Max CTL REF ...
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... Phase Stabilization Be inserted a capacitor between V CC2 This capacitor, approx. 0 for the phase stabilization of the circuit. V CC1 (13Pin) (Torque ripple control) voltege as follows. CTL 32 (14Pin) FG AMP + 29 FG COMP (11Pin) CI (3Pin (1Pin) . KA3080/KA3080D/KA3080DM 1.25V 27 (9Pin) + 2.5V (10Pin ...
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... KA3080/KA3080D/KA3080DM Timming Chart FR forward mode CTL (CW): High U (+) (+) (+) OUT + V OUT + W OUT 0 180 360 14 t 540 720 0 FR reverse mode CTL (CCW): Low OUTFLOW INFLOW t 180 360 540 720 ...
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... GND GND 9 10 GND GND OUT REF OUT CLT OUT LIM OUT CC2 CC1 0.1 F KA3080/KA3080D/KA3080DM SW15 R10=1k SW14 OUT2 FG OUT1 29 SW11 IN2 IN1 R8=1k ...
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... SW15 CC2 OUT CC1 OUT OUT LIM OUT CTL REF FIN KA3080D 8 GND GND IN1 IN2 OUT1 OUT2 CTL CTL R7=R8=R9=5(20W SW10 ...
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... GND 9 10 GND GND 0. OUT REF OUT CTL OUT LIM OUT cc2 cc1 104 KA3080/KA3080D/KA3080DM 32 F/R 7.5k 31 FGA OUTPUT FGA OUTPUT INPUT 2 AMP 27 FG INPUT1 AMP 10k 21 10k V 20 CTL ...
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... OUTPUT2 TR CTL INPUT FR CTL INPUT CC2 OUT CC1 OUT OUT LIM OUT CTL REF KA3080D FIN 8 GND GND IN1 IN2 OUT1 OUT2 CTL CTL 0 ...
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... KA3080/KA3080D/KA3080DM 19 ...
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... 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. ...