TA8483CP

TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA8483CP Three−Phase All wave Driver IC TA8483CP The TA8483CP is a three−phase all wave driver IC that makes possible PWM sensorless driving. Features · Built−in excess current detection function · Built−in heat protection function Weight: 3.0g (typ.) 1 2002-10-30 Block Diagram TSD − SEL 2 Heat protection N COMP 34 VCC Output voltage detection circuit VCC 10 TA8483CP IN−U 11 IN−V 12 IN−W 13 Control circuit Excess current detection 1 ISD GND 5,FIN 9 OUT−U 7 OUT−V 6 OUT−W VI 8 14 VISD RF 2 2002-10-30 Pin Connection ISD TSD−SEL N COMP 1 2 3 4 GND GND OUT−W OUT−V 5 6 7 14 VISD 13 IN−W 12 IN−V 11 IN−U GND 10 VCC 9 OUT−U 8 VI TA8483CP Pin Function Pin No. Symbol 1 ISD 2 TSD-SEL 3N 4 COMP 5 GND 6 OUT-W 7 OUT-V 8 VI 9 OUT-U 10 VCC 11 IN-U 12 IN-V 13 IN-W 14 VISD I / O Functional Description O Excess current detection signal output I Heat protection circuit selecting pin ― Mid-point voltage pin O Majority logical sum output (power output pin voltage detection circuit) ― GND O W -phase output pin O V -phase output pin O Current detection resistanse connecting pin O U -phase output pin I Supply voltage pin I U -phase input pin I V -phase input pin I W -phase input pin I Excess current detection input pin 3 2002-10-30 Functional Description 1. Output section (OUT -U, OUT-V, OUT-W) · The configuration of the output stage is shown in the chart to the right. · The PWM operation takes off-on control...