TA84002FG(5,EL) Toshiba, TA84002FG(5,EL) Datasheet
TA84002FG(5,EL)
Specifications of TA84002FG(5,EL)
Related parts for TA84002FG(5,EL)
TA84002FG(5,EL) Summary of contents
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... TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT MULTI-CHIP PWM CHOPPER-TYPE 2−PHASE BIPOLAR STEPPING MOTOR DRIVER The TA84002F/FG is designed to drive both windings of a two-phase bipolar stepping motor. FEATURES Internal PWM current control Wide range of operating supply voltages V (motor (control Output current : 1.0 A (peak) ...
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PIN ASSIGNMENT 2 TA84002F/FG 2006-3-6 ...
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BLOCK DIAGRAM TRUTH TABLE PHASE ENABLE Don’t care OUT (+) OUT (−) OFF OFF TA84002F/FG 2006-3-6 ...
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OUTPUT STAGE The TA84002F/ multichip IC consisting of four P-channel MOSFETs and one main chip. The four P-channel MOSETs are used as upper-side power transistors. The output current is controlled by a switching lower-side transistor. During CHOP ON, ...
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PWM CURRENT CONTROL The output current is sensed and controlled independently in each bridge by an external sense resistor (RFN), internal comparator, and mono-stable multi-vibrator. When the bridge is turned ON, the current increases in the motor winding and flows ...
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TIMING CHART (1) Full Step 6 TA84002F/FG 2006-3-6 ...
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Half Step 7 TA84002F/FG 2006-3-6 ...
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ABSOLUTE MAXIMUM RATINGS CHARACTERISTIC Supply Voltage (Motor) Supply Voltage (Control) Output Current Input Voltage Power Dissipation Operating Temperature Storage Temperature Note: This rating is obtained when the product is mounted × 50 × 1.6 mm PCB 60% ...
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ELECTRICAL CHARACTERISTICS CHARACTERISTIC Input Voltage Input Current Supply Current Output Saturation Voltage (Lower-side) ON Resistor (Upper-side) Diode Forward Voltage (Lower-side) Diode Forward Voltage (Upper-side) Reference Voltage Range Reference Current Reference Divider Ratio Setting Current Thermal Shutdown Temperature Thermal Shutdown Hysteresis ...
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TEST CIRCUIT 1. V (H (H TA84002F/FG 2006-3-6 ...
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TA84002F/FG 2006-3-6 ...
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SAT SAT 12 TA84002F/FG 2006-3-6 ...
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(L) 13 TA84002F/FG 2006-3-6 ...
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VF (H) 10. I ref 14 TA84002F/FG 2006-3-6 ...
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I set 12. I (H TA84002F/FG 2006-3-6 ...
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TA84002F/FG 2006-3-6 ...
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APPLICATION CIRCUIT In case 0.5 A OUT Note 1: A capacitor for noise suppression should be connected between the power supply (V to stabilize operation. Note 2: Utmost care is necessary in the design of the output, ...
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PACKAGE DIMENSIONS HSOP20−P−450−1.00 Weight: 0.79 g (typ.) 18 TA84002F/FG Unit: mm 2006-3-6 ...
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... Application Circuits The application circuits shown in this document are provided for reference purposes only. Thorough evaluation is required, especially at the mass production design stage. Toshiba does not grant any license to any industrial property rights by providing these examples of application circuits. 5. Test Circuits Components in the test circuits are used only to obtain and confirm the device characteristics. These components and circuits are not guaranteed to prevent malfunction or failure from occurring in the application equipment ...
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Points to remember on handling of ICs (1) Thermal Shutdown Circuit Thermal shutdown circuits do not necessarily protect ICs under all circumstances. If the thermal shutdown circuits operate against the over temperature, clear the heat generation status immediately. Depending on ...
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TA84002F/FG 2006-3-6 ...