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| 00W149A Power driver for portable CD BH6541KV Description BH6541KV is a 3chPWM driver + 1ch sensorless spindle driver developed for driving motor and actuator of portable CD,MD. Lower power consumption can be achieved in the set by applying the power MOSFET. In addition, the size reduction in the set can be accomplished by using the VQFP48 package. Features 9.00.3 7.00.2 36 9.00.3 7.00.2 37 48 1 1.4250.1 0.10.1 25 24 13 12 0.4 0.150.1 0.1 0.5 0.20.1 VQFP48 Absolute Maximum Ratings (Ta=25C) Parameter Control circuit supply voltage Power block supply voltage Pre-driver supply voltage Power dissipation Operating temperature range Storage temperature range *Derating : 9.0mW/C for operation above Ta=25C On less than 3% (percentage occupied by copper foil),70mmx70mm, t=1.6mm, glass epoxy mounting. Symbol Vcc PVCC VG (19pin) Pd Topr Tstg Limits 7 7 9 1.12 * -30 ~ +85 -55 ~ +150 Unit V V V W C C Recommended Operating Conditions (Ta=25C) Parameter Control circuit supply voltage Power block supply voltage Pre-driver supply voltage Symbol VCC PVCC VG (19pin) Min. 2.2 0.8 -- Typ. 2.4 1.5 7.2 Max. 4.5 4.5 8.5 Unit V V V February, 2001 Electrical characteristics (Unless otherwise noted; Ta=25C, Vcc=2.4V, PVCC=2.4V, RL=8+47H(H bridge), RL=2+47H(spindle) Min. - - - - 0 -4.1 1.4 -7.8 3.5 6 - 1.1 Typ. 2 5 1.5 1 - -2.5 3.5 -5 7.5 7.2 0.6 1.2 Max. 4 9 2.5 2 Vcc-1.0V -0.9 5.7 -2.4 11.6 8 1.2 1.3 Unit mA mA V A mA A A V V Sum of ON resistance (upper+lower) ICC2 ICC2 HBRON SPRON VCD ICTSO ICTSI ICLSO ICLSI VG IBRON VMON1 Parameter Current at no signal (VCC) Current at operating Application Circuit FOCUS TRACKING 0.1F COIL COIL 36 37 CLK FE(F) FE(R) TE(F) TE(R) SL(F) SL(R) FG HBIN BRK AD_PVCC 38 39 40 41 42 43 44 45 46 Pre Driver 47 48 PVCC/2 Monitor 1 2 3 4 5 6 7 8 9 10 11 12 15k Pre Driver 0.1F SLED MOTOR M 28 27 26 25 24 35 34 33 32 31 30 29 ch1 ch2 ch3 -COM H-Bridge Pre Driver H-Bridge Pre Driver H-Bridge Charge Pump Oscilator Pre Driver MUTE 23 Slope Signal Phase Control 22 21 20 19 0.033F 0.033F 0.1F VG TSD 18 17 Logic 16 15 14 13 0.22F 2200pF 2200pF 2200pF DSP 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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