DC Brushless Motor Driver IC PT-30DFT H - Bridge Driver Applications Package: SOP8 Single coils DC brushless motor. DC 2.0V~18V. 4 H+ 7 VDD 6 H- 5 FG B Date code A A2 A1 C Specifications RD 8 e SYMBOLS Hall IC or Hall Element 3 D L b Input devices 2 O2 ****B Single-phase full-wave driver Motor lock protection and automatic restart Connectable direct to Hall element Built-in hysteresis comparator Frequency Generation output Rotate Detection (Alarm) output Low power consumption and high driving efficiency GND H E SOP 8 L 1 PT30DFT Features O1 Pin Description DIMENSIONS IN MILLIMETERS (mm) Name Pin O1 1 First output pi n 0.30 GND 2 DC ground P 1.45 - O2 3 Second output pin O 0.41 0.51 0.19 0.20 0.25 RD 4 Rotation Detector(Alarm) O 4.80 4.85 4.95 FG 5 Frequency Generation O H- 6 Hall element input( -) I VDD 7 DC power supply P H+ 8 Hall element input( +) I MIN NOM MAX A 1.47 1.60 1.73 A1 0.10 - A2 - B 0.33 C D E 3.81 3.91 3.99 H 5.79 5.99 6.20 E - 1.27 - L 0.38 0.71 1.27 Description Type O Absolute Maximum Ratings (Ta = 25 C) Symbol Parameter Maximum supply voltage V Conditions max DD Ratings Units 18 V mW Allowable power dissipation Pd 650* Operating temperature Ta -30 ~ +100 Storage temperature Ts -55 ~ +150 C Output current I 0ut Continoue 400 mA Peak 600 mA O C O * 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. 1.0B -1- Date: Mar. 2002 PT-30DFT Electrical Characteristics Characteristic Symbol Test Condition Supply Voltage VDD Output low-level VOL IO=200mA VOH IO=200mA Min. Typ. Max. Units 2 0.4 18 V 0.5 V Voltage Output High-level VCC-0.5 VCC-0.4 V Voltage Output Breakdown VBV 18 22 30 V VOS -6 0 6 mV Output open 3 10 mA IFG/IRD Pull-high resistor is 25 Voltage Input offset voltage Supply Current IDD FG/RD flow-in Current mA 470ohm@12V FG/RD Supply 30 V Voltage FG Frequency Same with Hall input signal Truth Table H+ H- State O1 O2 FG RD H L Rotate H L H L L H Rotate L H L L H L Lock L L H H L H Lock L L H H Lock Protection In order to protect the motor, the driver IC will be shutdown to drive the coil when the motor is locked over 0.3 seconds. Then, it restarts to drive the motor after 2.1 seconds. Figure 1 shows the timing diagram between the hall input signal and driver's output state. lock Lock detected rotate 0.3sec H-/H+ driving 0.3sec On Driver 2.1sec shutdown Off RD FG t Fig 1. Lock Protection Ver. 1.0B -2- Date: Mar. 2002 PT-30DFT Rotation Frequency and Detector This driver IC outputs the FG and RD signal for some special application. For FG application, the driver IC will generate square wave to indicate the motor rotation frequency. For RD application, the driver IC will output a high signal to indicate the stop of the motor and a low signal to indicate the normal operation of the motor. (See Fig. 1) Pre-Amplifier This driver IC integrates signal amplifier and the hysteresis comparator in this chip. The hysteresis comparator uses the hysteresis characteristic to eliminate noisy oscillations at output of the comparator. The driver IC architecture block diagram is shown in Fig. 2. Vcc Regulator OSC H+ OP CMP Fan Lock Detection Lock Timing Control Driver Timing Control H-Bridge Driver O1 O2 FG H- FG RD RD (Alarm) Gnd Fig. 2. Driver IC Architecture Ver. 1.0B -3- Date: Mar. 2002 PT-30DFT Application circuits/ Single coil *Hall element input VCC D0 R0 7 C0 Z0 8 H+ 1 O2 3 RD FG 4 Hall 6 H- R1 loading Vcc O1 Gnd R2 R3 5 2 GND R0, R1: depend on hall device Spec. R0=R1 is recomm ended R2, R3: open drain loading Z0: optional zener diode, depend on VCC, if VCC= 12V, Vz=12V~18V . C0: optional decoupling capacitor 0.1uF * Hall IC input VCC D0 R0 R4 7 Hall IC C0 Z0 8 6 R1 loading H+ Vcc O1 1 O2 3 RD FG 4 HGnd R2 R3 5 2 GND R0, R1, R4: 10K R2, R3: open drain loading Z0: optional zener diode, depend on VCC, if VCC= 12V, Vz=12V~18V. C0: optional decoupling capacitor 0.1uF Ver. 1.0B -4- Date: Mar. 2002 PT-30DFT 12V(high driving capability)/24V/48V Application circuits VCC 12V/24V/48V D0 R5 R0 R4 7 Hall IC Z0 8 6 R1 R6 H+ Vcc O1 1 O2 3 RD FG 4 HGnd 5 R7 option C1 C2 2 GND Capcitor is optional for back e.m.f. protection. Note: R0, R1, R4: 10K R2, R3: open drain loading R5: 560,1/2W(for24V); 1.8K,1W(for48V); none( for 12V) Z0: Zener diode, Vz=12V~18V. D0: general diode 1/2W, (opti onal) Z0: Vz=12V zener diode 1/2W R5: 560,1/2W(for 24V) ; 1. 8K,1W(for 48V); none(for 12V ) R0,R1,R4 : 10K R6,R7 : 2K, 1/8W(for 0.4A output); 1K, 1/8W(f or 0.8A output), 560, 1/4W (for 1.5A output) Q1, Q2: depend on driving capability requirement Ex. 2222A(40V, 0.6A, 0.3W ), 2SD1782/SSTA06(80V, 0.5A, 0.3W ), 2SD1768S(80V, 1A, 0.5W), 2SC4132(120V, 2A 0.5W), 2SD1760(50V, 3A 1W)… .. C1,C2 : 2.2uF, 50V(optional), or s uitable Vz Zener diode 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. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of PROLIFIC Technology Inc. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the Delivery Specification for the PROLIFIC product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. PROLIFIC believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. Specifications and information herein are subject to change without notice. Ver. 1.0B -5- Date: Mar. 2002 PT-30DFT Package: SOP8 2 O2 3 RD 4 PT30DFT GND ****B 1 H E SOP 8 L O1 8 H+ 7 VDD 6 H- 5 FG B Date code D e A A2 A1 C L b Pin Description DIMENSIONS IN MILLIMETERS(mm) Name Pin O1 1 First output pin O 0.30 GND 2 DC ground P 1.45 - O2 3 Second output pin O 0.41 0.51 0.19 0.20 0.25 RD 4 Rotation Detector(Alarm) O D 4.80 4.85 4.95 FG 5 Frequency Generation O H- 6 Hall element input(-) I SYMBOLS MIN NOM MAX A 1.47 1.60 1.73 A1 0.10 - A2 - B 0.33 C Description Type E 3.81 3.91 3.99 H 5.79 5.99 6.20 E - 1.27 - VDD 7 DC power supply P L 0.38 0.71 1.27 H+ 8 Hall element input(+) I Ver. 1.0B -6- Date: Mar. 2002