Product Brief SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4962 Description Parametric Table The AM4962 is a full wave driver IC with direct PWM control function. It is used for single phase motor and is capable of speed control by PWM pulse. (VCC=12V, TA=25℃, unless otherwise noted.) Quiescent Current (mA) Output Saturation Voltage at High Side (V) Output Saturation Voltage at Low Side (V) The AM4962 is available in HTSSOP-14 and SSOP-16 packages. Features • • • • • • • • • • The Motor Speed is Controlled by PWM Pulse Directly Built-in Triangle Wave Circuit Without Extra Oscillation Capacitor Built-in Hall Bias Circuit Built-in Minimal Speed Setup Circuit Slope K* Adjustable Rotation Speed Indication (FG) Rotation or Lock State Indication (RD) Built-in Thermal Shutdown Circuit Lock Protection and Auto-restart Output Current Limit 15 1.0 0.2 CPWM Frequency (kHz) 25 CF High Level Voltage (V) 3.6 CF Low Level Voltage (V) 1.95 FG Output Low Level Voltage (V) 0.2 RD Output Low Level Voltage (V) 0.2 Benefits • • • • • • • • * Slope K is the slope of output PWM duty vs. input PWM duty Low Start-up Voltage of 3.5V Low Supply Current Maximum Output Current of 1.0A With Output Current Limit Minimum External Components Easier PCB Layout and Production High Performance and Cost-effect Solution Flexible Choice of Packages as Application’s need: SSOP-16 and HTSSOP-14 Applications • • Additional Available Materials CPU Cooler Fan in PC Brushless DC Motor Driver • • • • Apr. 2009 Samples Data Sheet Reliability Report ESD Report BCD Semiconductor Manufacturing Limited 1 Product Brief SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4962 Pin Configuration HTSSOP-14 PGND PGND OUT2 1 14 OUT1 VCC 2 13 GND VMIN 3 12 CT PWM 4 11 RADJ CF 5 10 HIN- FG 6 9 HB RD 7 8 HIN+ SSOP-16 OUT2 1 16 PGND NC 2 15 OUT1 VCC 3 14 GND VMIN 4 13 CT PWM 5 12 RADJ CF 6 11 HIN- FG 7 10 HB RD 8 9 Apr. 2009 HIN+ BCD Semiconductor Manufacturing Limited 2 Product Brief SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER AM4962 Ordering Information Example Package Temperature Range Part Number Packing Type Marking ID AM4962GH-G1 AM4962GH-G1 Tube AM4962GHTR-G1 AM4962GH-G1 Tape & Reel AM4962GS-G1 AM4962GS-G1 Tube AM4962GSTR-G1 AM4962GS-G1 Tape & Reel HTSSOP-14 -30 to 90°C SSOP-16 Detailed information please refer to the relevant datasheet. Sales Office: Shanghai No. 1600, Zi Xing Road, Shanghai ZiZhu Science-based Industrial Park, 200241, China Tel : 86-21-24162266 Fax : 86-21-24162277 USA 30920 Huntwood Ave. Hayward, CA 94544, USA Tel : +1-510-324-2988 Fax : +1-510-324-2788 Taiwan 4F, 298-1 Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel : 886-2-2656-2808 Fax : 886-2-2656-2806 Shenzhen Room E, 5F, Noble Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen 518026, China Tel : 86-755-8826 7951 Fax : 86-755-8826 7865 Apr. 2009 BCD Semiconductor Manufacturing Limited 3