BD61247NUX-E2 ROHM

Datasheet DC Brushless Fan Motor Drivers Multifunction Single-phase Full-wave Fan Motor Driver BD61247NUX General Description Key Specifications BD61247NUX is a 1chip driver that is composed of Supply Voltage Range: 4.5 V to 16 V HALL H-bridge power DMOS FET. Operating Temperature Range: -40 C to +105 C BIAS It realizes the quietness of the motor by PWM soft Output Voltage switching. (High Side and Low Side Voltage Total): 0.2 V(Typ) at 0.2 A Features Package W(Typ) x D(Typ) x H(Max) Driver Including Power DMOS FET VSON010X3030 3.00 mm x 3.00 mm x 0.60 mm Speed Controllable by PWM Input PWM Soft Switching Quick Start Start Assist Lock Protection and Automatic Restart High Speed Detection Protection Rotation Speed Pulse Signal Output (1/2FG) Applications Fan Motors for General Consumer Equipment of Refrigerator etc. VSON010X3030 Typical Application Circuit HM PWM 1 10 PWM REF SSW 2 9 H HP FG SIG 3 8 BD61247NUX VCC OUT1 4 7 OUT2 GND 5 6 M Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0H1H0C102240-1-2 1/20 2018 ROHM Co., Ltd. All rights reserved. TSZ22111 14 001 31.May.2018 Rev.001 HALL BIAS BD61247NUX Pin Configuration Block Diagram (TOP VIEW) 5.0 V 200 k HM 1 10 PWM HM PWM 1 TSD OSC 10 FILTER REF 2 9 SSW 3.3 V 200 k REF REFE- SSW SSW 2 9 RENCE SELECT HP 3 8 FG CONTROL LOGIC - 4 VCC 7 OUT1 COMP EXP-PAD HP SIGNAL FG + 3 8 OUTPUT OUT2 5 6 GND PRE- DRIVER VCC OUT1 4 7 OUT2 GND 5 6 Pin Description Pin No. Pin Name Function 1 HM Hall input - pin 2 REF Reference voltage output pin 3 HP Hall input + pin 4 VCC Power supply pin 5 OUT2 Motor output 2 pin 6 GND Ground pin 7 OUT1 Motor output 1 pin 8 FG Rotation speed pulse signal output pin 9 SSW Soft switching setting select pin 10 PWM PWM duty input pin Exposed pad Reverse EXP-PAD (Only GND can be connected.) www.rohm.com TSZ02201-0H1H0C102240-1-2 2/20 2018 ROHM Co., Ltd. All rights reserved. 31.May.2018 Rev.001 TSZ22111 15 001