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| Three-phase motor pre-driver for LBP BA6680FS Description BA6680FS is a three-phase motor pre-driver. PWM driving system is adopted in this IC as well as incorporation of a booster to drive N-channel (upper and lower) MOS FET. Current limit, FG amplifier, FG hysteresis amplifier and charge-pump are incorporated as other functions. Dimension (Unit : mm) 13.6 0.2 32 17 1.8 0.1 7.8 0.3 5.4 0.2 1 16 0.11 0.8 0.36 0.1 0.1 Features 1)Three-phase motor pre-driver 2)Upper and lower N-channel MOS FET driving 3)PWM driving 4)Built-in charge-pump circuit 5)Built-in FG amplifier and hysteresis amplifier 6)Built-in current limit circuit SSOP-A32 Applications Paper feed motor for LBP, Motor for OA appliances Absolute Maximum Ratings (Ta=25C) Parameter Power supply voltage Power dissipation Operating temperature range Symbol Vcc Pd Topr -10 -40 Limits 36 950 Unit V mW Storage temperature range Tstg Derating : 7.6mW/C for operation above Ta=25C ~ +75 ~ +150 C C Recommended Operating Conditions (Ta=25C) Parameter Symbol VCC Min. 16 Power supply voltage Typ. - Max. 28 Unit V 0.3Min. 0.15 0.1 Electrical characteristics (Unless otherwise noted; Ta=25C, Vcc=25.5V) Parameter Circuit current VREG voltage Hall input bias current Hall common-mode input voltage range Boost voltage Upper gate High voltage Lower gate High voltage Current detection voltage FG amplifier open loop gain Symbol ICC VREG IHA VHAR VG VHG VLG VCL GVFG Min. 11.7 5.4 -3.0 1.0 VCC+6 VCC+6 9.5 0.342 45 Typ. 15.7 5.9 -0.7 VCC+7 VCC+7 10.5 0.380 54 Max. 19.7 6.4 4.9 VCC+8 VCC+8 11.5 0.413 Unit mA V A V V V V V dB f=3kHz Conditions IVREG=-1mA Application Circuit C102 R110 C103 Hw Hv Hu CP1 13 CP2 12 11 Vb Hw- Hw+ 20 19 18 Hv- 17 16 Hv+ Hu- 15 Hu+ Vcc 9 BA6680FS Regurater 6V/10.5V C111 14 VREG R101 Q101 OSC 10 OSC R102 FG C110 R108 C108 R107 C109 24 23 22 21 FG sout FG out FGinFGin+ UHG TSD Hall AMP ULG VHG VLG 3 4 RDS035L03 5 6 RDS035L03 M Pre WHG Charge Pump PWM WLG 7 8 RDS035L03 26 25 ACC DEC CPout CNF 27 28 29 30 31 32 RCP Pref Rfe Cfe C107 R106 C106 R105 C112 C104 2 CL R104 C105 R103 GND 1 R109 RDS035L03 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 use silicon as a basic material. 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 with 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. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.0 |
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