S3313

3 phase BLDC Motor Driver IC S3313 Semiconductor http:// www.auk.co.kr Description The S3313 is a three phase brushless DC motor driver for DVD-P/R/RW. It contains various function for driving BLDC motor in safety. Especially, it contains 3 phase hall input terminal for computing the motor status with hall amps and FG, F-F. it makes a stable movement. Especially, it supports DVD-RW applications with pb free and heat-sink package. Application SSOPH-28 With Heat-sink ◈ DVD-Player ◈ DVD-R ◈ DVD-RW Features and Benefits ORDERING INFORMATION ◈ Three-phase full-wave pseudo linear driving system. Product Name S3313 Package Name SSOPH-28 ◈ Built in current limit, Hall Bias circuit. ▲ Marking Information Marking S3313 ◈ Built in power save, thermal shut down circuit [ TSD ]. ◈ Built in FG-output, FG 3phase synthesize output. S3313(①) AUK YYWW(②) ◈ Built in rotation detect. ◈ Built in reverse protection circuit. ① Device Code ② Year & Week Code ◈ Built in Gain switch pin. ◈ Built in Short Brake pin. ◈ Built in Brake Mode pin. KSD-I7A005-001 SEPT., 2010 REV. 01 1 S3313 ◈ Pin Assignment 28 SEPT., 2010 REV. 01 1 2 3 4 5 27 26 25 24 S3313 KSD-I7A005-001 23 6 7 8 9 10 11 12 13 14 22 21 20 19 18 17 16 15 2 S3313 ◈ Pin Description NO 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 SYMBOL N.C. A3 N.C. A2 N.C. N.C. A1 GND H1+ H1H2+ H2H3+ H3VH BR CNF SB FG2 FR ECR EC PS FG VCC GSW VM RNF I/O O O O I I I I I I O I I I O O I I I O PWR I PWR I N.C. Output3 for motor N.C. Output2 for motor N.C. N.C. Output1 for motor Ground DESCRIPTION Positive input for hall input AMP1 Negative input for hall input AMP1 Positive input for hall input AMP2 Negative input for hall input AMP2 Positive input for hall input AMP3 Negative input for hall input AMP3 Hall bias terminal Brake Mode terminal Capacitor connection pin for phase compensation Short brake terminal 3phase synthesized FG signal output terminal Rotation detect signal output terminal Torque control standard voltage input terminal Torque control voltage input terminal Start & Stop switch FG signal output terminal Power supply for signal division Gain switch Power supply for driver division Resistance connection pin for output current sense KSD-I7A005-001 SEPT., 2010 REV. 01 3 S3313 ◈ Absolute Maximum Ratings ( Ta = 25℃ ) Parameter Supply Voltage VM Power Dissipation Operate Temperature Range Storage Temperature Range Pd Topr Tstg 15 2.2 -20 ~ +75 -55 ~ +150 V W ℃ ℃ Symbol VCC Limits 7 Unit V [ Pd ] When mounted on a 70mm×70mm×1.6mm glass epoxy board. Derating in done 17.6mW/℃ for operating above Ta=25℃ [ Tstg ] Should not exceed Pd or SOA and Tj=150℃ values ◈ Guaranteed Operating Conditions ( Ta = 25℃ ) Parameter Power Supply Voltage VM 3.0 ~ 14 V Symbol VCC Limits 4.5 ~ 5.5 Unit V ◈ Power Dissipation Curve [ Pd ] ◈ 70mm×70mm×1.6mm glass epoxy board . ◈ De-rating is done at 17.6mW/℃ for operating above Ta=25℃ 4 KSD-I7A005-001 SEPT., 2010 REV. 01 S3313 ◈ Electrical Characteristics 1 ( Unless otherwise specified Ta=25℃, Vcc=5V, VM=12V ) NO 1 2 Characteristics Circuit Current 1 Circuit Current 2 Symbol ICC1 ICC2 VPSON VPSOFF VHB IHA VHAR VINH VHYS EC, ECR ECOFFECOFF+ ECIN GECL GECM GECH VGSWL VGSWOP VGSWH VFGH VFGL VFG2H VFG2L DU Condition PS=L, GSW=Open PS=H, GSW=Open Specification MIN. TYP. 0 6.2 MAX. 0.2 9.1 Unit mA mA < Power Save > 3 4 On Voltage Range OFF Voltage Range Circuit OFF Circuit ON 2.5 - 1.0 - V V < Hall Bias > 5 Hall Bias Voltage IHB=10mA 0.5 0.9 1.5 V < Hall AMP > 6 7 8 9 Input Bias Current In-phase Input Voltage Range Minimum Input Level H3 Hysteresis Level Input Voltage Range Offset Voltage (-) Offset Voltage (+) Input Current Input-Output Gain L Input-Output Gain M Input-Output Gain H 1.0 50 5 0.7 20 3.0 4.0 40 uA V mVPP mV < Torque Control > 10 11 12 13 14 15 16 Linear Range 0.5 ~ 3.3V ECR=1.65V, GSW=L ECR=1.65V, GSW=L EC=ECR GSW=L, RNF=0.5Ω GSW=OPEN, RNF=0.5Ω GSW=H, RNF=0.5Ω R 0 -75 15 7.4 0.52 1.04 2.24 -45 45 9.2 0.65 1.30 2.80 5.0 -15 75 11 0.78 1.56 3.36 V mV mV uA A/V A/V A/V < Gain Switch > 17 18 19 Low Voltage Range Open Voltage Range High Voltage Range 3.0 2.0 1.0 V V V < FG > 20 21 FG Output High Voltage FG Output Low Voltage IFG=-20uA IFG=3mA 4.5 - 4.8 0.2 0.4 V V < FG2 > 22 23 24 FG2 Output High Voltage FG2 Output Low Voltage Duty ( Reference ) IFG2=-20uA IFG2=3mA 4.6 - 4.9 0.2 50 0.4 - V V % KSD-I7A005-001 SEPT., 2010 REV. 01 5 S3313 ◈ Electrical Characteristics 2 ( Unless otherwise specified Ta=25℃, Vcc=5V, VM=12V ) NO Characteristics Symbol Condition MIN. < Rotation Detector > 25 26 FR Output Voltage H FR Output Voltage L VFRH VFRL VOH VOL IVML ITL VSBON VSBOFF VBRON VBROFF IFR = -20uA IFR = 3mA Specification TYP. 4.4 0.2 MAX. 0.4 Unit 4.1 - V V < Output > 27 28 29 30 Saturation Voltage H Saturation Voltage L Pre-drive Current Torque Limit Current IO= -600mA IO= 600mA EC=5V, Output = Open RNF= 0.5Ω 560 1.0 0.4 35 700 1.35 0.65 70 840 V V mA mA < Short Brake > 31 32 On Voltage Range OFF Voltage Range BR=0V BR=0V 2.5 - - 1.0 V V < Brake Mode > 33 34 On Voltage Range OFF Voltage Range EC 〉ECR, SB=OPEN EC 〉ECR, SB=OPEN 2.5 - - 1.0 V V KSD-I7A005-001 SEPT., 2010 REV. 01 6 S3313 Application Information 1. Input-Output circuits 1) Power Save ( Pin 23 ) All Circuit On/Off Pin 23 15KΩ 10KΩ 2) Torque control input ( Pin 21, Pin 22 ) Pin 22 1KΩ 1KΩ Pin 21 3) 3phase output Power TR Structure ( A1:Pin 7, A2:Pin 4, A3:Pin 2 ) VM RNF Resistance RNF 7 4 2 KSD-I7A005-001 SEPT., 2010 REV. 01 7 S3313 2. Thermal Shut Down ( TSD ) Current Sense Amp. Band-gap Voltage TSD Circuit Output Q1 Q2 The built-in thermal shutdown circuit mutes the output current when the chip temperature reaches 175℃ (typ.). The hysteresis is set to 25℃ (typ.) by IHys, so the circuit will start up again when the chip temperature falling to 150℃ (typ.) 3. Brake Mode & Short Brake Mode REV FWD Gain Control Brake Mode & Short Brake Circuit Current Sense Amp. BR SB Input “H” voltage to BR pin, change brake type at EC > ECR. Input “H” to Short Brake pin. Short Brake operates to output-upper-Power Tr off and Output-lower-Power Tr on. KSD-I7A005-001 SEPT., 2010 REV. 01 8 S3313 4. Gain Switch VCC Torque Sense Amp Va + Q1 GSW Vb Vc + Q2 We can determine the value of input-output gain GEC by RNF-resistance, and calculate it with the following formula. GEC=0.325/RNF GECM=0.65/RNF GECH=1.40/RNF [A/V] [A/V] [A/V] (GSW = Low : 0V) (GSW = OPEN) (GSW = High : 3V↑) KSD-I7A005-001 SEPT., 2010 REV. 01 9 S3313 5. Reverse Rotation Detector + - H1+ H1- H2+ H2- + CK - FR EC ECR + + - Case 1] Forward Rotation ( EC＜ECR ) Hall input H1+ and H2+ have phase relation as shown Reverse Rotation Detector circuit. In this case, reverse detection don’t operate. Case 2] Reverse Rotation ( EC＞ECR ) Hall input H1+ and H2+ have opposite relation to forward rotation. So detective circuit operate, make output open. Actual motor rotation at reverse detection Forward Rotation at EC＜ ECR ↓ Rotating speed is decreased due to reverse torque at EC ＞ECR ↓ When motor starts to reverse, reverse detection operates and output become open ↓ Rotating reverse at short time due to inertia ↓ Stop KSD-I7A005-001 SEPT., 2010 REV. 01 10 S3313 6. Rotation Speed Detection H1+ H1- + - H1 H2+ H2- + - H2 FG2 H3+ H3- + - H3 FG H1 Output Wave H2 Output Wave H3 (FG) Output Wave FG2 DSP chip can detect rotation speed by this circuit, show us FG and FG2’s output pulse. KSD-I7A005-001 SEPT., 2010 REV. 01 11 S3313 7. Power Output VM RNF Negative Feedback VA VM 0.5Ω Torque Sense Amp EC A1 A2 ECR Current Sense Amp A3 VM VM Output Power TR Structure Forward rotation and Reverse rotation are decided by Torque Sense Amp. Forward rotation [ EC＜ECR ] Reverse rotation [ EC＞ECR ] The Power Output’s Current is controlled limitary, according to Torque Sense Amp’s sink current and Current Sense Amp’s source current, when EC and ECR have potential difference. Maximum Current : Ilimit = VRNF / 0.5Ω ( VRNF = VM-VA ) [ Input-Output Table ] Output Input Condition Forward Rotation Pin no. 9 H1+ Condition 1 Condition 2 Condition 3 Condition 4 Condition 5 Condition 6 L H M M H L 10 H1M M M M M M 11 H2+ H L L H M M 12 H2M M M M M M 13 H3+ M M H L L H 14 H3M M M M M M 7 A1 H L L H L H 4 A2 L H H L L H 2 A3 L H L H H L Reverse Rotation Notice 7 A1 L H H L H L 4 A2 H L L H H L 2 A3 H L H L L H Pin 7 [ H ] Pin 7 [ L ] Pin 4 [ H ] Pin 4 [ L ] Pin 2 [ H ] Pin 2 [ L ] KSD-I7A005-001 SEPT., 2010 REV. 01 12 S3313 8. Input-Output Timing Chart H2+ H1+ H3+ A1 Output Current A1 Output Voltage A2 Output Current A2 Output Voltage A3 Output Current A3 Output Voltage KSD-I7A005-001 SEPT., 2010 REV. 01 13 S3313 Characteristic Diagrams Fig. 1 VCC - IQC Fig. 2 Temperature - IQC Fig. 3 VEC - VECOFF Fig.4 VGSW - Vrnf [ In-Output Gain] Fig. 5 VPS - Iqc Fig.6 IO – VOsat [Upper/Lower] KSD-I7A005-001 SEPT., 2010 REV. 01 14 S3313 ◈ Application Circuit 28 -+ 21 20 19 18 17 16 15 2 27 26 4 25 +7 24 23 8 +- +9 10 11 12 13 14 ++++22 KSD-I7A005-001 SEPT., 2010 REV. 01 15 S3313 ◈ Package Dimension SSOPH-28 With Heat-sink KSD-I7A005-001 SEPT., 2010 REV. 01 16 S3313 The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-I7A005-001 SEPT., 2010 REV. 01 17