BD7962FM_07

1/5 Structure Product Name Device Name Features : : : : Silicon Monolithic Integrated Circuit Power Driver IC for CD changers BD7962FM • 6-ch driver IC comprising of 3 channels for BTL drivers and 3 channels for loading drivers • 2 channels of loading drivers providing MOS outputs with a high D-range (Ron=1.0Ω) • Provided with a loading driver voltage setting terminal • In BTL driver 3 channels, individually installed is a pre-stage OP-AMP which allows a differential input and an addition input. • A built-in general operational amplifier 1 channel installed • MUTE SW provided • A built-in thermal shutdown circuit installed. • HSOP-M36 package ABSOLUTE MAXIMUM RATINGS (Ta=25°C) Parameter Power Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range Symbol Vcc Pd Topr Tstg Limits 15 2.2 *1 -40 to +85 -55 to +150 Unit V W °C °C *1 When mounted on the glass/epoxy board with the size: 70 mm×70 mm, the thickness: 1.6 mm, and the rate of copper foil occupancy area: 3% or less. Over Ta=25°C, derating at the rate of 17.6mW/°C. RECOMMENDED OPERATING CONDITIONS Parameter Power Supply Voltage 1 (CH1, CH2) Power Supply Voltage2 (CH3, CH4) Power Supply Voltage 3 (CH5, CH6) Symbol Vcc1 Vcc2 Vcc3 MIN 4.5 4.5 4.5 TYP 5.0 8.0 8.0 MAX Vcc3 14.0 14.0 Unit V V V This product has not been checked for the strategic materials (or service) defined in the Foreign Exchange and Foreign Trade Control Low of Japan so that a verification work is required before exporting it. Not designed for radiation resistance. REV. A 2/5 ELECTRIC CHARACTERISTICS (Ta=25°C, Vcc1=5V, Vcc2=Vcc3=8V, BIAS=1.65V, RL=8Ω, unless otherwise noted.) Parameter Quiescent Circuit Current (Voc1) Quiescent Circuit Current (Voc2) Quiescent Circuit Current (Voc3) Output Offset Voltage Maximum Output Amplitude (CH1, CH2) Maximum Output Amplitude (CH3) Closed Circuit Voltage Gain (CH1 - CH3) Difference between positive and negative voltage gains (CH1 - CH3) Mute ON Voltage Mute Reset Voltage Mute Terminal Input Current Bias Terminal Inflow Current Output Offset Voltage Input Terminal Threshold Voltage H Input Terminal Threshold Voltage L Maximum Output Amplitude (CH4) Output Saturation Voltage H (CH5, CH6) Output Saturation Voltage L (CH5, CH6) Voltage Gain (Loading) Difference between positive and negative voltage gains (Loading) Input Terminal Inflow Current LDCONT Terminal Outflow Current (LDCONT 1) LDCONT Terminal Outflow Current (LDCONT 2,3) Input Offset Voltage Input Bias Current Common Mode Input Voltage Range Maximum Output Source Current Maximum Output Sink Current Slew Rate Symbol ICC1 ICC2 ICC3 VOFS VOM1 VOM2 GVC ∆GVC VMON VMOFF IMUTE IBIAS VOFSL VH VL VOML VOLH VOLL GVLD ∆GVLD INL ILDC1 ILDC2 VOPOFS IOPB VOPICM Isource ISNK SR MIN. 11.5 1.9 -40 3.7 5.4 10 -20 GND 2.0 -35 2.0 GND 5.4 4.0 -2.0 -5 0.3 500 2 TYP. 0.30 23.0 3.8 0 4.0 6.0 12 0 80 75 0 6.0 0.38 0.12 6.0 0 180 0 800 2 MAX. 0.70 32.0 5.7 +70 14 20 0.5 Vcc 125 120 +35 Vcc 0.5 0.70 0.25 8.0 2.0 270 0.5 300 +5 300 VCC-1.2 Unit mA Condition No load applied No load applied No load applied mV V V dB dB V V µA µA ｍV V V V V V dB dB µA mA nA mV nA V µA mA V/µs LDIN=5V LDCONT=5V LDCONT=5V VIN=BIAS±0.5V, when pre-stage OP buffered VMUTE=5VVBIAS=2.5V VBIAS=2.5V In brake mode RL=8Ω Lo=500mA Lo=500mA LDCONT=5V OUTLINE DIMENSIONS (MAX 18.75 include BURR) Product Number (UNIT: mm) REV. A 3/5 APPLICATION CIRCUIT DIAGRAM レベルシフト 10k レベルシフト 10k 19 CH3 Ｍ 10k 10k 10k 10k レベルシフト 10k 10k レベルシフト CH4 10k 10k 22 RB491D Vcc2 Vcc2 (CH3,CH4) LDCONT1 LD CONT1 24 10k 10k 13 10k Vcc1 10k 10k (CH1,CH2) Vcc1 23 14 15 10k CH2 10k Ｍ 16 21 10k 17 20 10k CH1 18 26 10k 10k 11 10k OPIN 10k 10k 10k Vcc3 (CH5,CH6) T.S.D LD + CONT2 Control LD logic CONT3 R F R Control logic + - RV4 LDCONT2 MUTE MUTE 29 8 LDCONT3 Vcc3 28 9 10k FD4 F 10k Control logic - R RV6 31 6 IN3 10k 10k 10k + 34 F CH6 CH5 Ｍ 3 35 BIAS BIAS 36 1 2 Ｍ FD5 33 4 RV5 32 5 FD6 30 7 PIN Description No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Pin name GND2 OUT5OUT5+ IN5FWD IN5REV IN6REV IN6FWD LDCONT 2 LDCONT 3 OPIN1OP1OUT OPIN2OP2OUT Vcc1 OUT2OUT2+ OUT1OUT1+ Description GND (Loading driver unit) Loading driver (CH5) output Loading driver (CH5) output + Loading driver (CH5) FWD input Loading driver (CH5) REV input Loading driver (CH6) REV input Loading driver (CH6) FWD input Loading driver (CH5) voltage setting terminal Loading driver (CH6) voltage setting terminal CH1 pre-stage OP-amp negative input CH1 pre-stage OP-amp output CH2 pre-stage OP-amp negative input CH2 pre-stage OP-amp output Power Supply Voltage (CH1, CH2) BTL driver (CH2) output BTL driver (CH2) output + BTL driver (CH1) output BTL driver (CH1) output + No. 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Pin name OUT3+ OUT3OUT4+ OUT4Vcc2 LDCONT 1 GND1 OPOUT OPINVcc3 MUTE IN4REV IN4FWD OPIN3OP3OUT OUT6+ OUT6BIAS Description BTL driver (CH3) output + BTL driver (CH3) output Loading driver (CH4) output + Loading driver (CH4) output Power Supply Voltage (CH3, CH4) Loading driver (CH4) voltage setting terminal GND (BTL driver part) OP-amp output OP-amp negative input Power Supply Voltage (CH5, CH6 parts) BTL driver MUTE terminal loading driver (CH4) REV input loading driver (CH4) FWD input CH3 pre-stage OP-amp negative input CH3 pre-stage OP-amp output Loading driver (CH6) output + loading driver (CH6) output BIAS terminal * The positive or negative polarity of the BTL driver output corresponds to the output polarity of the pre-stage OP-amp. When the pre-stage OP-amp output is H, the positive output will be H while the negative one L. REV. A IN1 27 10 IN2 25 12 T.S.D: (Thermal shutdown) Resistance unit : [Ω] 4/5 CAUTIONS ON USE (1) When the mute terminal (Pin 29) is set to open or its voltage drops to 0.5V (typ.) or less, the output current of the BTL driver part (CH1 to CH3) can be muted. Under conditions of normal use, it should be pulled up to 2.0V or above. (2) On the Bias terminal (Pin 36), the applied voltage of 0.7V (Typ.) or less will activate the mute function on the BTL driver part (CH1-CH3). Under conditions of normal use, it should be kept 1.1V or above. (3) Thermal shutdown (TSD) will activate the mute function on all drivers, while mute ON or bias terminal voltage drop will on the BTL drivers except loading drivers. The pre-stage OP-amps cannot be muted in any cases described above. While muting, the output terminals of CH1 and CH2 show the internal bias voltage: Vcc1/2V and the output terminal of CH3 show the internal bias voltage: (Vcc2-0.7)/2V. (4) The loading driver functions following to the logic in the table below: INPUT FWD L L H H REV L H L H OUTPUT OUT+ OUTHi-Z Hi-Z L H H L L L Function High Impedance Reverse mode Forward mode Brake mode (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) Although the output voltage can be changed by the input voltage through the LDCONT terminal (gain 6dB Typ.), it never exceeds the maximum output voltage restricted by the power supply voltage even if applying a voltage much larger than the normal value. If the LDCONT terminals (Pin 8, Pin 9, Pin 24) are set to 0.7V or less, the outputs of the loading driver corresponding to the LDCONT terminal will be in the High-impedance mode. CH4 with the impedance of 40kΩ, however, shows the internal bias voltage: (VCC2-0.7)/2V. On Vcc2 (Pin 23) must be applied the same voltage as that of Vcc3 (Pin 28) and Vcc1 (Pin 14) or above. The radiating FIN must be connected to the external GND. A Shot key diode must be inserted between OUT4- (Pin 22) and Vcc2 (Pin 23) (see the APPLICATION CIRCUIT DIAGRAM) to prevent the current induced by a counter electromotive force of the motor from flowing into the IC. Short-circuits between output pin-VCC, output pin-GND, or output terminals (load short) must be avoided. It may damage ICs or produce smoke. About absolute maximum ratings Exceeding the absolute maximum ratings, such as the applied voltage or the operating temperature range, may cause permanent device damage. As these cases cannot be limited to the broken short mode or the open mode, if a special mode where the absolute maximum ratings may be exceeded is assumed, it is recommended to take mechanical safety measures such as attaching fuses. About power supply lines As a measure against the back current regenerated by a counter electromotive force of the motor, a capacitor to be used as a regenerated-current path can be installed between the power supply and GND and its capacitance value should be determined after careful check that any problems, for example, a leak capacitance of the electrolytic capacitor at low temperature, are not found in various characteristics. About GND potential The electric potential of the GND terminal must be kept lowest in the circuitry at any operation states. About thermal design With consideration of the power dissipation (Pd) under conditions of actual use, a thermal design provided with an enough margin should be done. About operations in a strong electric field When used in a strong electric field, note that a malfunction may occur. ASO When using this IC, the output Tr. must be set not to exceed the values specified in the absolute maximum ratings and ASO. REV. A 5/5 (15) Thermal shutdown circuit This IC incorporates a thermal shutdown circuit (TSD circuit). When the chip temperature reaches the value shown below, the coil output to the motor will be set to open. The thermal shutdown circuit is designed only to shut off the IC from a thermal runaway and not intended to protect or guarantee the entire IC functions. Therefore, users cannot assume that the TSD circuit once activated can be used continuously in the subsequent operations. TSD ON Temperature [°C] (typ.) 175 Hysteresis Temperature [°C] (typ.) 25 (16) About earth wiring patterns When a small signal GND and a large current GND are provided, it is recommended that the large current GND pattern and the small signal GND pattern should be separated and grounded at a single point of the reference point of the set in order to prevent the voltage of the small signal GND from being affected by a voltage change caused by the resistance of the pattern wiring and the large current. Make sure that the GND wiring patterns of the external components will not change, too. (17) This IC is a monolithic IC which has a P+ isolations and P substrate to isolate elements each other. This P layer and an N layer in each element form a PN junction to construct various parasitic elements. Due to the IC structure, the parasitic elements are inevitably created by the potential relationship. Activation of the parasitic elements can cause interference between circuits and may result in a malfunction or, consequently, a fatal damage. Therefore, make sure that the IC must not be used under conditions that may activate the parasitic elements, for example, applying the lower voltage than the ground level (GND, P substrate) to the input terminals. In addition, do not applying the voltage to input terminals without applying the power supply voltage to the IC. Also while applying the power supply voltage, the voltage of each input terminal must not be over the power supply voltage, or within the guaranteed values in the electric characteristics. REV. A Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM cannot be held responsible for any damages arising from the use of the products under conditions out of the range of the specifications or due to non-compliance with the NOTES specified in this catalog. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact your nearest sales office. ROHM Customer Support System www.rohm.com Copyright © 2007 ROHM CO.,LTD. THE AMERICAS / EUPOPE / ASIA / JAPAN Contact us : webmaster@ rohm.co. jp 21, Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan TEL : +81-75-311-2121 FAX : +81-75-315-0172 Appendix1-Rev2.0