AN8267S - Panasonic Semiconductor

AN8267S Fan Motor Driver

Pin No. 1 2 3 4 5 6 7 8 Symbol IN (–) RD1 RD2 C TSD OUT1 B1 Hall input (–) Rotation display 1 (pulse output) Rotation display 2 (H/L output) Lock protection automatic reset Thermal shutdown Motor coil output 1 Output base 1 Pin name Pin No. 9 10 11 12 13 14 15 16 Symbol B2 OUT2 VM VCC GND VS NC IN (+) Hall input (+) Output base 2 Motor coil output 2 Counter.

Features

• Operating supply voltage range ; VCC=9.6 to 27.6V
•
•
•
• (Operable at VCC=6V to 9.6V as well) 2-phase half-wave drive, built-in power transistor Built-in lock protective function and automatic reset function Built-in thermal protective circuit (operating temperature: 150˚C typ.) Built-in rotation display function 1.27 0.4±0.25 (0.4) s Application For drive of brush-less DC fan motor 5.5±0.3 7.6±0.3 1.16-pin PANAFLAT Plastic Package (SOP016-P-0300) s Block Diagram VCC 12 C 4 OUT1 6 OUT2 10 VS 14 Hall Bias Lock Protect Automatic Reset 11 VM IN (
  –) IN (+) 1 16
  – Hall Amp. + .