1/4 STRUCTURE Silicon monolithic integrated circuits PRODUCTSERIES 3-phase brushless motor driver TYPE BD67922EFV FUNCTION ・3-phase MOS direct PWM driver ・Built-in PLL control circuit ・Built-in over current protection circuit ○Absolute maximum ratings (Ta=25℃) Item Supply voltage Symbol Limit Unit VCC -0.2～+36.0 V VLD, FG -0.2～+6.5 V VHB -0.2～+6.5 V Hall signal input voltage VHALL -0.2～+6.5 V Input voltage for CLK pin VCLK -0.2～+6.5 V VIN -0.2～+6.5 V LD, FG applied voltage HB applied voltage Input voltage for control pin (SS, SB) Power dissipation ※１ W 4.70※２ W 1.45 Pd ※３ Output current IOUT Operating temperature range Topr -25～+85 ℃ Storage temperature range Tstg -55～+150 ℃ Junction temperature Tjmax +150 ℃ ※1 ※2 ※3 2300 mA 70mm×70mm×1.6mm glass epoxy board. Derating in done at 11.6mW/℃ for operating above Ta=25℃. 4-layer recommended board. Derating in done at 37.6mW/℃ for operating above Ta=25℃. Do not, however exceed Pd, ASO, and Tjmax=150℃. ○Recommend operating conditions (Ta= -25～+85℃) Item Symbol Min. Typ. Max. Unit Supply voltage VCC 19 24 28 V 5V constant voltage output current IREG -20 - 0 mA HB pin current IHB 0 - 20 mA LD, FG pin supply voltage VLD, FG 0 - 5.5 V LD, FG pin current ILD, FG 0 - 15 mA This product isn't designed for protection against radioactive rays. REV. A 2/4 ○Electrical characteristics (Unless otherwise specified, Ta=25℃, VCC=24V) Item Whole Circuit current 1 Circuit current 2 VREG output Output voltage Output (U, V, W) Output on resistance Min. Limit Typ. Max. ICC1 ICC2 - 4.0 1.5 VREG 4.65 RON - Symbol Lower side diode forward voltage VD1 0.70 Upper side diode forward voltage VD2 0.70 Output leak current ILEAK Hall comparator Input (HUP, HUN, HVP, HVN, HWP, HWN) Common mode input voltage 1.5 VICM range Hysteresis width ΔVIN 15 LD, FG output Low level output voltage VOD PD output High level output voltage VPDH 4.5 Low level output voltage VPDL Integral amplifier EO High level output voltage VEOH 3.5 EO Low level output voltage VEOL EI input current IEI -2.0 Current limit circuit Drive gain during starting mode GH 1.2 Drive gain during steady mode GL 0.4 Limiter voltage VCL 0.45 CLK input External input frequency FCLK High level input voltage VCLKH 3.0 Low level input voltage VCLKL Low level input current ICLKL -75 Control input (SS, SB) High level input voltage VINH 3.0 Low level input voltage VINL Low level input current IINL -75 OSC OSC oscillating frequency FOSC 130 OSC High voltage VOSCH 1.6 OSC Low voltage VOSCL 1.2 PROCLK CLK cycle for protection circuit TPCLK 13 Hall bias Hall bias voltage VHB 0.70 REV. A Unit Conditions 9.0 2.3 mA mA SS=L output ON mode SS=H output OFF mode 5.00 5.35 V 1.35 1.76 Ω 1.10 1.10 - 1.55 1.55 10 V Ｖ μA - 3.5 V 24 42 mV 0.15 0.50 V ILD, FG=10mA 4.9 0.2 0.3 V V IPD=-100μA IPD=100μA 4.1 0.9 -0.1 1.5 - V V μA IEO=-500μA IEO=500μA VEI=0V 1.5 0.5 0.50 1.8 0.6 0.55 times times V -50 10 1.5 -25 kHz V V μA VCLK=0V -50 1.5 -25 V V μA VIN=0V 200 2.0 1.5 270 2.4 1.8 kHz V V COSC =220pF 20 27 msec CPCLK=0.1μF 0.85 1.00 V IOUT=1.0A Sum of upper and lower IOUT=-1.0A IOUT=1.0A Sum of upper and lower IHB=10mA 3/4 ○Package outline ○Pin No. / Pin name Product No. BD67922EFV Lot No. Pin No. Pin name Pin No. Pin name 1 GND 15 HUP 2 VCC 16 VREG 3 FG 17 PD 4 CS 18 TEST 5 RNF 19 EI 6 W 20 EO 7 V 21 PROCLK 8 U 22 CLK 9 HB 23 SS 10 HWN 24 LD 11 HWP 25 OSC 12 HVN 26 BRMODE 13 HVP 27 CNF 14 HUN 28 SB HTSSOP-B28 (Unit: mm) ○Block diagram HUP 15 2 VCC HUN 14 HALL HYS COMP HVP 13 HVN 12 LOGIC 8 U 7 V HWP 11 6 W HWN 10 CLK 22 5 RNF PD 17 EI 19 24 LD EO 20 3 FG HALL BIAS 9 HB CNF 27 OSC 25 4 CS OSC BRMODE 26 18 TEST TSD SB 28 OCP OVLO SS 23 RESET UVLO Regulator 16 VREG PROOSC 21 PROCLK 1 GND REV. A 4/4 ○Operation Notes (1) Absolute maximum ratings An excess in the absolute maximum ratings, such as supply voltage, temperature range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a short circuit or an open circuit. If any over rated values will expect to exceed the absolute maximum ratings, consider adding circuit protection devices, such as fuses. (2) Power supply lines As return of current regenerated by back EMF of motor happens, take steps such as putting capacitor between power supply and GND as an electric pathway for the regenerated current. Be sure that there is no problem with each property such as emptied capacity at lower temperature regarding electrolytic capacitor to decide capacity value. If the connected power supply does not have sufficient current absorption capacity, regenerative current will cause the voltage on the power supply line to rise, which combined with the product and its peripheral circuitry may exceed the absolute maximum ratings. It is recommended to implement a physical safety measure such as the insertion of a voltage clamp diode between the power supply and GND pins. (3) GND potential The potential of GND pin must be minimum potential in all operating conditions. (4) Metal on the backside (Define the side where product markings are printed as front) The metal on the backside is shorted with the backside of IC chip therefore it should be connected to GND. Be aware that there is a possibility of malfunction or destruction if it is shorted with any potential other than GND. (5) Thermal design Use a thermal design that allows for a sufficient margin in light of the power dissipation (Pd) in actual operating conditions. This IC exposes its frame of the backside of package. Note that this part is assumed to use after providing heat dissipation treatment to improve heat dissipation efficiency. Try to occupy as wide as possible with heat dissipation pattern not only on the board surface but also the backside. (6) Actions in strong electromagnetic field The IC is not designed for using in the presence of strong electromagnetic field. Be sure to confirm that no malfunction is found when using the IC in a strong electromagnetic field. (7) ASO When using the IC, set the output transistor so that it does not exceed absolute maximum ratings or ASO. (8) Thermal shutdown circuit The IC has a built-in thermal shutdown circuit (TSD circuit). If the chip temperature becomes Tjmax=150℃, and higher, coil output to the motor will be open. The TSD circuit is designed only to shut the IC off to prevent runaway thermal operation. It is not designed to protect or indemnify peripheral equipment. Do not use the TSD function to protect peripheral equipment. (9) Ground Wiring Pattern When using both large current and small signal GND patterns, it is recommended to isolate the two ground patterns, placing a single ground point at the ground potential of application so that the pattern wiring resistance and voltage variations caused by large currents do not cause variations in the small signal ground voltage. Be careful not to change the GND wiring pattern of any external components, either. (10) Mounting errors and Inter-pin short When attaching to a printed circuit board, pay attention to the direction of the IC and displacement. Improper attachment may lead to destruction of the IC. There is also possibility of destruction from shortcircuits which can be caused by foreign matter entering between pins. (11) TEST pin Be sure to connect TEST pin to GND. REV. A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. R0039A