ta7712fg TOSHIBA Semiconductor CORPORATION, ta7712fg Datasheet
ta7712fg
Related parts for ta7712fg
ta7712fg Summary of contents
Page 1
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA7712P/PG,TA7712F/FG 3-Phase, Full-Wave Brushless DC Motor Controller IC FEATURES No frequency generator (FG) required (The rotation signal is derived from the position sensor signal.) Start, Stop, clockwise (CW), counterclockwise (CCW) and Brake High-gain ...
Page 2
BLOCK DIAGRAM POSITION SENSOR TA7712P/PG/F/FG TA7712P/PG, TA7712F/FG 2 2007-9-11 ...
Page 3
PIN DESCRIPTION PIN No. SYMBOL P/PG F/ START/STOP 9 11 CW/CCW 10 12 BRAKE ― ...
Page 4
TIMING CHART Clockwise rotation (The .) Hb → Hc START / STOP = High CW / CCW = low BRAKE = High Counterclockwise rotation (The ) sequence: Ha → Hc → Hb. START / STOP = High CW / CCW ...
Page 5
APPLICATIONS OF THE TA7712P/PG, TA7712F/FG The TA7712P/PG and TA7712F/FG are provided with a stop function, which enables them to stop the motor having a large inertia like a video disk player in a short time, so that disks can be ...
Page 6
Each Control Input High: Start START / STOP CW / CCW Note: In Stop mode, all outputs Break mode, outputs of La (3) Output ...
Page 7
ABSOLUTE MAXIMUM RATINGS CHARACTERISTICS Power Supply Voltage Output Current Position Sensor Input Voltage (T = 25°C) j TA8412P/PG Power Dissipation TA8412F/FG Operating Temperature Storage Temperature Note: Measured for the IC only ELECTRICAL CHARACTERISTICS CHARACTERISTICS Operating Supply Voltage Power Supply Current ...
Page 8
TEST CIRCUIT RUN 1.0 V 1.0 V CC1 I 4.0 V 4.0 V CC2 TA7712P/PG/F/ BRAKE 1.0 V 2.48 V 2.48 V 4.0 V 2. TA7712P/PG/F/FG ...
Page 9
TEST CIRCUIT 2 TA7712P/PG/F/FG INPUT CONDITION RUN 2.52 V 2. (H) 2.48 V 2.52 V 2.48 V ― 2.48 V 2.48 V 2.52 V ― LEAK: Measurement of a leakage current ...
Page 10
TEST CIRCUIT 3 TA7712P/PG/F/FG TIMING CHART FOR CLOCKWISE ROTATION Calculate the I output voltage obtained when SW2 is connected to b. Measure V connected to a. CLOCK: 360 Hz 10 TA7712P/PG/F/FG current from the FGH and τ when SW2 is ...
Page 11
BASIC APPLICATION CIRCUIT TA7712P/PG/F/FG TA7712P/PG/F/FG 11 2007-9-11 ...
Page 12
APPLICATION CIRCUIT TA7712P/PG/F/FG Note: The IC may be destroyed in case of a short-circuit across outputs, a short-circuit to power supply, a short-circuit to ground short-circuit between neighboring pins. This possibility should be fully considered in the design ...
Page 13
PACKAGE DIMENSIONS DIP20−P−300−2.54A Weight: 2.25 g (Typ.) TA7712P/PG/F/FG 13 Unit: mm 2007-9-11 ...
Page 14
PACKAGE DIMENSIONS SSOP24−P−300−1.00 Weight: 0.32 g (Typ.) TA7712P/PG/F/FG 14 Unit: mm 2007-9-11 ...
Page 15
Notes on Contents 1. Block Diagrams Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2. Equivalent Circuits The equivalent circuit diagrams may be simplified or some parts of ...
Page 16
RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...