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BD6971FV Datasheet(PDF) 1 Page - Rohm |
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BD6971FV Datasheet(HTML) 1 Page - Rohm |
1 / 16 page ○Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays 1/12 TSZ02201-0H1H0B100150-1-2 © 2012 ROHM Co., Ltd. All rights reserved. 28.JUL.2012 Rev.002 www.rohm.com TSZ22111・14・001 Datasheet DC Brushless Fan Motor Drivers Multifunction Single-phase Full-wave Fan Motor Driver BD6971FV ●General description BD6971FV is a 1chip driver that composes H-bridge of power DMOS FET. It is possible to correspond to a small motor by starting from 3.5V and installing in the SSOP small package. ●Features SSOP small package Driver including power DMOS FET Speed controllable by DC / direct PWM input PWM soft switching Quick start Current limit Lock protection and automatic restart Rotation speed pulse signal (FG) output ●Package W (Typ.) x D (Typ.) x H (Max.) SSOP-B14 5.00mm x 6.40mm x 1.35mm ●Application Fan motors for general consumer equipment of desktop PC, and Projector, etc. ●Absolute maximum ratings Parameter Symbol Limit Unit Supply voltage Vcc 20 V Power dissipation Pd 874.7 *1 mW Operating temperature range Topr –40 to +100 °C Storage temperature range Tstg –55 to +150 °C Output voltage Vo 20 V Output current Io 1.0 *2 A Rotation speed pulse signal (FG) output voltage Vfg 20 V Rotation speed pulse signal (FG) output current Ifg 10 mA Reference voltage (REF) output current Iref 5 mA Hall bias (HB) output current 1 Ihb1 5 mA Hall bias (HB) output current 2 Ihb2 10 *3 mA Input voltage (H+, H–, TH, MIN, CS) Vin 7 V Junction temperature Tj 150 °C *1 Reduce by 7.0mW/°C over Ta=25°C. (On 70.0mm×70.0mm×1.6mm glass epoxy board) *2 This value is not to exceed Pd. *3 The condition of Ta=25°C and Vcc=12V ●Recommended operating conditions Parameter Symbol Limit Unit Operating supply voltage range Vcc 3.5 to 17.0 V Operating input voltage range 1 (H+, H–) (more than Vcc=9V) 0 to 7 V Operating input voltage range 1 (H+, H–) (less than Vcc=9V) Vin1 0 to Vcc–2 V Operating input voltage range 2 (TH, MIN) Vin2 0 to Vref V SSOP-B14 |
Similar Part No. - BD6971FV_12 |
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Similar Description - BD6971FV_12 |
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