AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Features • Independent 6-Channel H-Bridge • Built-in 4 constant voltage drivers, two of those drivers with brake function. • Built-in 2 constant current drivers. • Low on-resistance <1.2 Ω (typ.) • Built-in charge pump(to drive the upside NMOS of H-bridge drivers) • Low Voltage operation • Built-in Thermal Shutdown Function • LQFP-48 Package General Description The AT5556 is a 6-channel H-bridge drivers IC for DSC motor application. It built in with 4 constant voltage drive and 2 constant current blocks to drive auto-focus, zoom, shutter, auto-exposure motors. Applications •DSC motor Driver Block Diagram PS VCC Thermal Shutdown and UVLO PGND3 PVCC CP1 CP2 Charge Pump Oscillator IN1A IN1B IN2A IN2B H-Bridge CP3 CP4 VG Charge Pum p H -Bridge VM1 OUT1A OUT1B OUT2A OUT2B PGND1 H-Bridge VM2 OUT3A OUT3B OUT4A OUT4B PGND2 Level Shift IN3A IN3B IN4A IN4B Logic Block H-Bridge Pre Driver IN5A IN5B IN6A IN6B GND H-Bridge H -Bridge VM3 OUT5A OUT5B OUT6A OUT6B Vref Vref VC1 VC2 VC3 VC4 RFG1 RFG2 Aimtron reserves the right without notice to change this circuitry and specifications. 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 1 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Pin Configuration RFG2 OUT6B OUT6A VM3 OUT5B OUT5A RFG1 NC PGND VG CP4 CP3 48 47 46 45 44 43 42 41 40 39 38 37 IN6B 1 36 CP2 IN6A 2 35 CP1 IN5B 3 34 PVCC IN5A 4 33 VCC IN4B 5 32 NC IN4A 6 IN3B 7 IN3A 8 29 VREF IN2B 9 28 VC4 IN2A 10 27 VC3 IN1B 11 26 VC2 IN1A 12 25 VC1 AT5556 PGND1 OUT1A OUT1B VM1 OUT2A OUT2B 19 20 21 22 23 24 PGND2 18 OUT4B 17 OUT4A 16 VM2 15 OUT3B 14 30 GND OUT3A 13 31 PS Ordering Information Part number Package AT5556F LQFP48 AT5556F_PBF LQFP48, PB-Free AT5556F_GRE LQFP48, Green AT5556N_GRE QFN48,Green Marking AT5556F AT5556F, date code with one bottom line AT5556F, date code with two bottom line AT5556N 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 2 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Pin Description Pin NO. Symbol 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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 IN6B IN6A IN5B IN5A IN4B IN4A IN3B IN3A IN2B IN2A IN1B IN1A PGND1 OUT1A OUT1B VM1 OUT2A OUT2B OUT3A OUT3B VM2 OUT4A OUT4B PGND2 VC1 VC2 VC3 VC4 VREF GND PS NC VCC PVCC CP1 CP2 CP3 CP4 VG PGND NC RFG1 OUT5A OUT5B VM3 OUT6A OUT6B RFG2 I/O Description I I I I I I I I I I I I P O O P O O O O P O O P I I I I I P I It combines IN6A to decide the state of the constant current driver6 It combines IN6B to decide the state of the constant current driver6 It combines IN5A to decide the state of the constant current driver5 It combines IN5B to decide the state of the constant current driver5 It combines IN4A to decide the state of the constant voltage driver4 It combines IN4B to decide the state of the constant voltage driver4 It combines IN3A to decide the state of the constant voltage driver3 It combines IN3B to decide the state of the constant voltage driver3 It combines IN2A to decide the state of the constant voltage driver2 It combines IN2B to decide the state of the constant voltage driver2 It combines IN1A to decide the state of the constant voltage driver1 It combines IN1B to decide the state of the constant voltage driver1 GND1 H-bridge output terminal 1A of the constant voltage driver1 H-bridge output terminal 1B of the constant voltage driver1 Power supply for Motor1, 2 H-bridge output terminal 2A of the constant voltage driver2 H-bridge output terminal 2B of the constant voltage driver2 H-bridge output terminal 3A of the constant voltage driver3 H-bridge output terminal 3B of the constant voltage driver3 Power supply for Motor3, 4 H-bridge output terminal 4A of the constant voltage driver4 H-bridge output terminal 4B of the constant voltage driver4 GND2 It is used to control the output voltage of constant voltage driver1~2 It is used to control the output voltage of constant voltage driver3~4 Voltage for current limit control of the constant current driver5 Voltage for current limit control of the constant current driver6 Reference voltage being divided for VC1~4 to individually use GND Power save which can force all outputs to become open state P P I I I I P P Power supply Power supply for input voltage of charge pump Capacitor terminal 1 for charge pump Capacitor terminal 2 for charge pump Capacitor terminal 3 for charge pump Capacitor terminal 4 for charge pump Output voltage of charge pump GND O O P O O Current detection terminal for the constant current driver5 H-bridge output terminal 5A of the constant current driver5 H-bridge output terminal 5B of the constant current driver5 Power supply for Motor5, 6 H-bridge output terminal 6A of the constant current driver6 H-bridge output terminal 6B of the constant current driver6 Current detection terminal for the constant current driver6 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 3 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Absolute Maximum Ratings Item Supply voltage VCC Supply voltage VM Supply voltage PVCC Charge pump voltage Control input voltage Power dissipation Operating temperature Junction temperature Storage temperature range Maximum output current Symbol VCC VM PVCC VG VIN Pd Topr Tj Tstg Iout Ratings -0.5 ~ +5.5 -0.5 ~ +5.5 -0.5 ~ +5.5 12 -0.5 ~ VCC 1000 -20 ~ +85 ~ +150 -55 ~ +150 800 Unit V V V V V mW °C °C °C mA Recommended Operating Conditions(Ta=25°C) Item Supply voltage VCC Supply voltage VM1,2,3 Charge pump voltage Control input voltage H Bridge output current Logic input frequency Capacitor for Charge pump Symbol VCC VM1,2,3 VG VIN Iout Fin CCP Ratings +2.5 ~ +5.5 +1.9 ~ +5.5 +7.5~ +10.0 0 ~ VCC -400 ~ +400 0 ~ 100 0.01 ~ 0.1 Unit V V V V mA kHz μF 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 4 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Electrical Characteristic (Ta=25 °C , VCC=PVCC=3.0V, VM=2.5V, R L1 = R L 2 = R L3 = R L 4 = 7.5Ω , R L5 = R L6 = 5Ω ) Parameter Symbol Condition Whole circuits Circuit current at standby ICCST PS=L Circuit current1 ICC1 PS=H, IN1A1B~6A6B=L Circuit current2 ICC2 PS=H, IN1A or IN1B or IN2A or IN2B=H Circuit current3 ICC3 Circuit current4 ICC4 Circuit current5 ICC5 PS=H, IN3A or IN3B or IN4A or IN4B=H PS=H, IN5A or IN5B or IN6A or IN6B=H PS=H,IN1A=IN2A=IN3A=IN4A =IN5A=IN6A=H or IN1B=IN2B=IN3B=IN4B=IN5B =IN6B=H Power save H level input voltage VPSH L level input voltage VPSL H level input voltage IPSH PS=3V L level input voltage IPSL PS=0V Pull-down resistance RIN Control input H level input voltage VINH L level input voltage VINL H level input voltage IINH VIN=3V L level input voltage IINL VIN=0V Pull-down resistance RIN Charge Pump Charge pump voltage VCP PVCC=5V,VG=PVCC*2 UVLO UVLO voltage VUVLO Vref VREF output voltage VREF Iout=0 ~ 1mA Constant voltage driver1,2(For AF/STP) Output ON Resistance RON Io=+-200mA, Sum of on-resistance Output constant voltage VO1 VC1=0.3V, Rload=7.5 Ω Constant voltage driver3,4(For ZOOM) Output ON Resistance RON Io=+-200mA, Sum of on-resistance Values Unit Min. Typ. Max. µA - 0 1.5 10 3 mA - 2.65 4.7 mA - 2.65 4.7 mA - 2.65 4.7 mA - 4.90 5.5 mA 2.0 -1 - 5 0 1.5 0.8 20 - V V µA µA 2.0 -1 - 5 0 1.5 0.8 20 - MΩ 9 10 - V 1.8 2.0 2.2 V 0.88 0.90 0.92 V 1.20 1.50 Ω 1.50 1.60 V 1.20 1.50 Ω 1.40 MΩ V V µA µA 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 5 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Output constant voltage VO2 VC2=0.3V, Rload=7.5 Ω 1.40 1.50 1.60 V - 1.00 1.25 Ω 287 300 313 mV Constant current driver5,6 Output ON Resistance Output Limit voltage RON Io=+-300mA, Sum of on-resistance VOL RFG=1 Ω , VC3=VC4=0.3V 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 6 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Input-output logic table Driver1,2: Stepping motor constant-voltage control for AF Input IN1A L H H L L L L L H H IN1B L L L L H H H L L H IN2A L L H H H L L L L IN2B L L L L L L H H H H H OUT1A Z H H Z L L L Z H H Output OUT1B OUT2A Z Z L Z L H Z H H H H Z H L Z L L L H H OUT2B Z Z L L L Z H H H H Mode Standby 1,2 phase excitation BRAKE Stepping motor constant-voltage control for ZOOM or DC motor drive Input IN3A L H H L L L L L H H IN3B L L L L H H H L L H IN4A L L H H H L L L L IN4B L L L L L L H H H H H OUT3A Z H H Z L L L Z H H Output OUT3B OUT4A Z Z L Z L H Z H H H H Z H L Z L L L H H OUT4B Z Z L L L Z H H H H Mode Standby 1,2 phase excitation BRAKE VCM constant-current control for SH/AE or stepping motor drive Input IN5A L H L H IN5B L L H IN6A L IN6B L H L L H H H H OUT5A Z H L L Output OUT5B OUT6A Z Z L H H L L L OUT6B Z L H L Mode Standby SH&AE BRAKE 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 7 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Typical Characteristics Temperature v.s. Vref VCC v.s. Vref VCC=PVCC=VM=5V,T=25'C 0.94 0.94 0.93 0.93 0.92 0.92 0.91 0.91 Vref(V) Vref (V) 0.95 0.9 0.9 0.89 0.89 0.88 0.88 0.87 0.87 0.86 0.86 0.85 2.5 3 3.5 4 VCC (V) 4.5 5 0.85 -20 5.5 -10 0 10 20 30 40 Tempature ('C) 50 60 70 80 VCC v.s. I(I=ICC+IPVCC) VCC v.s. I(I=ICC+IPVCC) VG=PVCC*2,INxA=INxB=L 5 VCC=PVCC=VM=5V 0.95 VG=PVCC*3,INxA=INxB=L 30 4.5 25 4 20 I (mA) I (mA) 3.5 3 15 2.5 10 2 5 1.5 1 2.5 3 3.5 4 VCC (V) 4.5 5 5.5 2.5 3 3.5 4.5 5 5.5 VCC v.s. Rds(on)(CH1~CH4) VCC v.s. Rds(on) (CH1~CH4) VCC=PVCC=VM,VG=PVCC*2,Io=200mA 3 4 VCC (V) VCC=PVCC=VM,VG=PVCC*3,Io=200mA 1.8 2.8 1.7 2.6 1.6 Ron (ohm) Ron (ohm) 2.4 2.2 2 1.5 1.4 1.8 1.6 1.3 1.4 1.2 2.5 3 3.5 4 VCC (V) 4.5 5 5.5 1.2 2.5 3 3.5 4 VCC (V) 4.5 5 5.5 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 8 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver VCC v.s. Rds(on)(CH5&CH6) 1.8 1.6 1.6 Ron (ohm) 1.8 1.4 VCC=PVCC=VM,VG=PVCC*3,Io=300mA 2 1.4 1.2 1.2 1 1 0.8 2.5 0.8 2.5 3 Io1 v.s. efficiency Io1,Io2 v.s. efficiency 90 VCC=PVCC=VM=5V, VG=PVCC x 2,Vo1=4V(CH1) Pin=VCC*(ICC+IPVCC+IM), Pout=Vo*Io VCC=PVCC=VM=5V, VG=PVCC*2,Vo=Vo1=Vo2=4V(CH1,Ch2) Pin=VCC*(ICC+IPVCC+IM), Pout=Vo*Io=Vo*(Io1+Io2) 3.5 4 VCC (V) 4.5 5 5.5 90 85 85 80 80 75 75 efficiency (%) Ron (ohm) 2 efficiency (%) VCC v.s. Rds(on)(CH5&CH6) VCC=PVCC=VM,VG=PVCC*2,Io=300mA 70 65 55 55 150 200 250 300 Io1 (mA) 350 400 450 500 4 VCC (V) 4.5 5 5.5 65 60 100 3.5 70 60 50 50 3 50 50 100 150 200 250 300 350 400 450 500 Io1=Io2 (mA) 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 9 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Application reference 1 PS : H active L stand-by 0.1uF 0.1uF PS VCC PGND3 PVCC CP1 CP2 CP3 CP4 VM1 OUT1A OUT1B OUT2A OUT2B PGND1 IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B MCU AT5556 VM2 OUT3A OUT3B OUT4A OUT4B PGND2 IN5A IN5B IN6A IN6B GND VM3 OUT5A OUT5B OUT6A OUT6B Vref 0.1uF VG VC1 VC2 VC3 VC4 RFG1 30k 30k 15k 15k M M M RFG2 1 1 Output voltage of charge pump(two times PVCC)： VG = PVCC × 2 Constant voltage：CH1&CH2→ VO = VC 1 × 5 − VSAT CH3&CH4→ VO = VC 2 × 5 − VSAT Constant current：CH5→ I o = VC 3 / RFG1 CH6→ I o = VC 4 / RFG 2 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 10 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Application reference 2 VCC PVCC PS : H active L stand-by 0.1uF 0.1uF VG PS VCC PGND3 PVCC CP1 CP2 CP3 CP4 0.1uF VG VM VM1 OUT1A OUT1B OUT2A OUT2B PGND1 IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B MCU AT5556 VM2 OUT3A OUT3B OUT4A OUT4B PGND2 IN5A IN5B IN6A IN6B GND VM3 OUT5A OUT5B OUT6A OUT6B Vref 0.1uF VC1 VC2 VC3 VC4 RFG1 30k 30k 15k 15k M M M RFG2 1 1 Output voltage of charge pump(three times PVCC)： VG = PVCC × 3 Constant voltage ：CH1&CH2→ VO = VC 1 × 5 − VSAT CH3&CH4→ VO = VC 2 × 5 − VSAT Constant current： CH5→ I o = VC 3 / RFG1 CH6→ I o = VC 4 / RFG 2 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 11 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Application reference 3 M_VCC=4V PS : H active L stand-by PS 0.1uF 0.1uF 0.1uF 1uF VCC PGND3 PVCC CP1 CP2 CP3 CP4 VM1 OUT1A OUT1B OUT2A OUT2B PGND1 IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B MCU AT5556 VM2 OUT3A OUT3B OUT4A OUT4B PGND2 IN5A IN5B IN6A IN6B GND VM3 OUT5A OUT5B OUT6A OUT6B Vref 0.1uF VG VC1 VC2 VC3 VC4 RFG1 20k 30k 70k 20k Aperture M 47u AF Zoom Shutter RFG2 1 Output voltage of charge pump(three times PVCC)： VG = PVCC × 3 Constant voltage ：CH1&CH2→ VO = VC 1 × 5 − VSAT Saturation mode ：CH3&CH4&CH5 → VO = VM − 2VSAT Constant current：CH6→ I o = VC 4 / RFG 2 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 12 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Application reference 4 M_VCC=5V PS : H active L stand-by PS 0.1uF 0.1uF 0.1uF 1uF VCC PGND3 PVCC CP1 CP2 CP3 CP4 VM1 OUT1A OUT1B OUT2A OUT2B PGND1 IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B MCU AT5556 VM2 OUT3A OUT3B OUT4A OUT4B PGND2 IN5A IN5B IN6A IN6B GND VM3 OUT5A OUT5B OUT6A OUT6B Vref 0.1uF VG VC1 VC2 VC3 VC4 RFG1 5.11k 30.1k 47k 15k 47u Zoom M AF 0.1u IRIS 0.1u Shutter RFG2 1.8 Output voltage of charge pump(three times PVCC)： VG = PVCC × 3 Constant voltage ：CH1&CH2→ VO = VC 1 × 5 − VSAT CH3&CH4→ VO = VC 2 × 5 − VSAT Constant current：CH6→ I o = VC 4 / RFG 2 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 13 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver Package Description LQFP48 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 14 04/12/10 AT5556 Preliminary Product Information 6-Channel DSC Motor Driver QFN48 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 WWW: http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: [email protected] 15 04/12/10