DC Brushless Motor Driver IC PT3016X Frequency Output Divide 1/1.5/2 Applications Package: SOT-26 b1 1 GND 2 O1 3 HE E1 O2 SOT-26 e D FG 5 VDD 4 HIN A A2 A1 Motor lock protection Built-in protection circuit for transient output Frequency Generation output Low power dissipation and high driving efficiency Ultra-low start voltage 6 X### : PT-3016 X = A---divide 1 X = B---divide 1.5 X = C---divide 2 ###---year, week code. b Features X### Single coils DC brushless motor. Traditional double coil DC Brushless motor DC 1.5V~6.5V. PT3016A(Divide 1) / Four Pole fan PT3016B(Divide 1.5) / Six Pole fan PT3016C(Divide 2) / Eight Pole fan C L SYMBOLS Input Devices Hall IC DIMENSIONS IN MILLIMETERS Pin Description MIN NOM MAX Name Pin A2 0.70 0.80 0.90 Vdd 5 DC power supply Description Type P A1 0.00 - 0.10 Gnd 2 DC ground G A 1.00 1.10 1.30 b 0.35 0.40 0.50 O1 3 First output pin O C 0.10 0.15 0.25 O2 1 Second output pin O D 2.70 2.90 3.10 Hin 4 Hall IC signal input I E 1.60 1.80 2.00 HE 2.60 2.8 3.00 FG 6 Tacho meter output O e 1.7 1.9 2.1 L 0.20 - - b1 0.45 0.50 0.55 (Frequency Generation) Type Description P: Power, G: Ground, O: Output, I: Input Specifications Absolute Maximum Ratings (Ta = 25 C) Symbol Parameter Maximum supply voltage Conditions V DDmax Ratings 6.5 V mW Allowable power dissipation Pd 350* Operating temperature Ta -30 ~ +125 Storage temperature Ts Output Continous current I 0ut Output Peak current I 0ut Units O C O -55 ~ +150 C Max. 300 mA T< - 20us Max. 400 mA * On 50mm x 50mm x 1.6mm glass epoxy board Any and all PROLIFIC products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your PROLIFIC representative nearest you before using any PROLIFIC products described or contained herein in such applications. PROLIFIC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all PROLIFIC products described or contained herein. PROLIFIC TECHNOLOGY INC. 7F, No.48, Sec.3, Nan Kang Rd., Nan Kang, Taipei, 115, Taiwan Ver. 1.12 -1- Date:April 2002 PT3016X Electrical Characteristics Characteristic Symbol Supply Voltage Output Voltage Sink*1 Test Condition Min. 1.5 Typ. Drive*1 Output breakdown voltage Output open (O1, O2 no load) Supply Current Driving Current FG/RD flow-in current FG/RD supply voltage Hin Input Voltage Max. Units 6.5 V 0.5 V Vdd-0.5 V 12 V <10 RL=12@5V 355 360 368 mA mA RL=15@5V 292 297 300 mA RL=30@5V 155 156 157 mA RL=47@5V 102 102 102 mA RL=100@5V Pull-high resistor is 470ohm@5V 49 49 10 49 mA Vdd-1.2 High Low GND Hin input current mA 12 V VCC 0.3 100 V V uA *1: Depend on the RL value. RL: DC impedance of inductor Truth Table Hin H L O1 Sink Drive O2 Drive Sink Hin Divid e 1 Divid e 1.5 Divid e 2 Fig 1. Rotation Frequency Ver. 1.12 -2- T Date:April 2002 PT3016X Rotation Frequency The PT3016 driver IC generates a FG signal for frequency calculation. In general application, the Fan IC will generate a signal to indicate the rotation frequency of different for each motor. The FG will divide the pole number by 1.5, 2, 2.5, 3 and 4 (must be adjusted under IC process). When the motor is stopped, the FG signal will pull high to indicate the stop of the motor was stopped. Lock Protection In order to protect the motor and reduce the power dissipation. When the motor contacts the outside force, the Fan IC when stop driving the coil after the motor is lock over 0.25 seconds and restarts the motor after stop the motor 1.75 seconds. Figure-2 shows the timing diagram between the hall input signal and driver state. Whenever the motor stops over 0.25 second by outside force, the Fan IC will shutdown to stop the driving output, and after 1.75 seconds, the Fan IC will turn on again. Hin 0.25sec On Driver Off 0.25sec 1.75sec T Fig 2. Lock Protection The driver IC architecture block diagram is showed as Figure-3 Vcc Fan Lock Detection Lock Timing Control O1 O2 Hin Driver Timing Control Driver FG FG Gnd Fig. 3. Driver IC Architecture Ver. 1.12 -3- Date:April 2002 PT3016X Application circuits 1. Signal Coil Vcc R1 R2 O1 Hall IC R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm Hin O2 Rin C1 FG R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm Gnd Rin: 470K ohm R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm C1: 0.22uf 2. Double Coil Type 1 Vcc O1 R1 R2 O2 Hall IC Hin FG Rin C1 Gnd Rin: 470K ohm R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm C1: 0.22uf Type 2 Vcc O1 R1 O2 Hall IC Hin FG Rin R2 C1 Gnd Rin: 470K ohm R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm C1: 0.22uf Ver. 1.12 -4- Date:April 2002 PT3016X Application circuits High driving application: Type 1 Vcc Rh R1 O1 Hall IC R3 C1 R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm Hin O2 Rin R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm R2 FG R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm Gnd Rh: Depend on the Hall IC Specification Rin: 470K ohm R1, R2: Depend on driving current R3: 470 ohm ~ 4.7K ohm C1: 0.22uf (optional) Type 2 V supply R0 V reference 5V zener Vcc Rh Hall IC R1 O1 R3 R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm Hin Rin O2 C1 R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm R2 FG R1:Depend on the Hall IC Specification Gnd R2: 470 ohm ~ 4.7K ohm C2 C3 R1:Depend on the Hall IC Specification R1:Depend on the Hall IC Specification R2: 470 ohm ~ 4.7K ohm R2: 470 ohm ~ 4.7K ohm Rh: Depend on the Hall IC Specification Ra: 470K ohm R0: Depend on the power dissipation and the driving ability R1, R2: Depend on the external NPN driving ability R3: 470 ohm ~ 4.7K ohm C1: 0.22uf (optional) C2,C3: 0.22u~5u (optional) Ver. 1.12 -5- Date:April. 2002 PT3016X The Power dissipation curve The power dissipation of the IC depends on the driving current and the ambient temperature. And it is important to ensure the application’s loading not over the allowable consumerism of the IC package. The allowable power dissipation versus temperature is show as follow: Allowable power disipation, Pd max (mW) Pdmax-Ta 500 450 400 350 300 250 200 150 100 50 0 25 50 75 100 Ambient temperature ,Ta( 125 150 ) Specifications of any and all PROLIFIC products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. PROLIFIC Technology Inc. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any and all PROLIFIC products described or contained herein fall under strategic products (including services) controlled under the Foreign Exchange and Foreign Trade Control Law of Taiwan, such products must not be exported with our obtaining export license from the Ministry of international Trade and Industry in accordance with the above law. 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Ver. 1.12 -6- Date:April 2002 PT3016X PT3016X Package: SOT-26 Marking Notice X### : PT-3016 X = A ---divide 1 X = B ---divide 1.5 X = C ---divide 2 ### --- Year, Week Code. b1 HE E1 SOT-26 1 GND 2 O1 3 X### b O2 6 FG 5 VDD 4 HIN e D A A2 A1 C L SYMBOLS DIMENSIONS IN MIL LIMETERS Pin Description MIN NOM MAX Name Pin A2 0.70 0.80 0.90 Vdd 5 DC power supply P A1 0.00 - 0.10 Gnd 2 DC ground G A 1.00 1.10 1.30 b 0.35 0.40 0.50 O1 3 First output pin O C 0.10 0.15 0.25 O2 1 Second output pin O D 2.70 2.90 3.10 Hin 4 Hall IC signal input I E 1.60 1.80 2.00 HE 2.60 2.8 3.00 FG 6 Tacho meter output O e 1.7 1.9 2.1 L 0.20 - - b1 0.45 0.50 0.55 Ver. 1.12 Description Type (Frequency Generation) Type Description P: Power, G: Ground, O: Output, I: Input -7- Date:April 2002