TA7247AP
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA7247AP
DC MOTOR DRIVER
The TA7247AP is a 3 phas...
TA7247AP
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA7247AP
DC MOTOR DRIVER
The TA7247AP is a 3 phase Bi−directional supply−voltage−controlled motor driver IC providing all the active functions necessary for switching−
regulator−controlled FAN MOTOR of electrical Air conditioner. It’s designed for especially energy saving air conditioner applications and suitable for use any other motor driver applications. It contains 3 phase Bi−directional power driver, CW / CCW control circuit, comparator and oscillator for switching
regulator, and protect circuits.
FEATURES
l Voltage Controlled 3 Phase Bi−Directional Motor Power Driver.
l Output Current Up to 1.5 A.
Weight: 8.19 g (Typ.)
l High Sensitivity of Position Sensing Inputs : VH = 40 mV (Typ.)
l Built in Over Current, Over Voltage, Low Voltage and Thermal Protect Circuit.
l More Power−up Applications with Additional Power
Transistors.
l Recommended Supply Voltage :
VCC1 (opr.) = 0~30 V VCC2 (opr.) = 4.5~5.5 V
1 2001-08-27
BLOCK DIAGRAM
TA7247AP
PIN FUNCTION
PIN No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
SYMBOL
VOUT
VCC2
RSC La− La+ Lb− Lb+ Lc− Lc+
VCC1
GND Hc− Hc+ Hb− Hb+ Ha− Ha+
F/R
CR C+
FUNCTIONAL DESCRIPTION
PWM Output terminal Power supply input terminal Output current detection terminal a−phase lower drive output terminal a−phase upper drive output terminal b−phase lower drive output terminal b−phase upper drive output terminal c−phase lower drive output terminal c−phase upper d...