stk672-050 Sanyo Semiconductor Corporation, stk672-050 Datasheet
stk672-050
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stk672-050 Summary of contents
Page 1
... Ordering number: EN 5228A Overview The STK672-050 is a unipolar constant-current chopper- type externally-excited 4-phase stepping motor driver hybrid IC which uses MOSFET power devices. It has a microstep operation-supported 4-phase distributed con- troller built-in to realize a high torque, low vibration, low noise stepping motor driver using a simple control circuit. ...
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... Output voltage V OL PWM frequency fc [Current division ratio (A/B)] 2W1-2, W1-2, 1-2 Vref 2W1-2, W1-2 Vref 2W1-2 Vref 2W1-2, W1-2, 1-2 Vref STK672-050 Conditions No signal No signal Logic input block One 0.5s pulse applied, CC Load/phase 10mH c Conditions With signal With signal Tr1 ( outputs) 50% duty ...
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... Vref 2W1-2, W1-2 Vref 2W1-2 Vref 2 Vref Note: All tests are made using a constant-voltage supply. The current division ratio shows the design value. Equivalent Block Diagram Sample Application Circuit 2W1-2 phase excitation (microstep operation) STK672-050 = 5/8 = 6 100 % No. 5228—3/11 ...
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... Phase 1 Phase 2W1-2 CWB 0 1 STK672-050 where Rs is the built-in current detection resistance (0.2 3%). The motor current ranges from the current due to the fre- and OH quency duty set by the oscillator (0.05 to 0.1A) to the allowable operating range maximum of I Motor current waveform Input ...
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... When the signal CWB is set rotates clockwise. b. When the signal CWB is set rotates counterclockwise. 3. Note STK672-050 Function CMOS Schmitt configuration with pull-up resistor CMOS Schmitt configuration with pull-up resistor CMOS Schmitt configuration with pull-up resistor CMOS Schmitt configuration with pull-up resistor CMOS Schmitt confi ...
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... phase excitation 1-2 phase excitation W1-2 phase 0 1-2 phase excitation excitation 3. Valid timing of mode setting The mode must not be changed within 5 s from the rising edge and falling edge of the clock. STK672-050 W1-2 phase 2W1-2 phase excitation excitation 2W1-2 phase ...
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... Mo1, Mo2, and MoI (Monitor of excitation state) 1. Pin format CMOS standard configuration 2. Function Outputs the state of the current phase excitation output. Phase coordinate Mo1 Mo2 For the MoI output at the origin of each phase. STK672-050 Function CMOS standard configuration CMOS standard confi ...
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... Real circle Setting 2W1 2W1 2W1 4W1–2 2W1 2W1 2W1 2W1-2 100 STK672-050 Unit ...
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... Phase excitation and timing chart 5-1. Rising edge operation of clock • 2 phase excitation • W1-2 phase excitation STK672-050 • 1-2 phase excitation • 2W-2 phase excitation No. 5228—9/11 ...
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... Rising edge and falling edge operation of clock • 2 phase excitation • W1-2 phase excitation STK672-050 • 1-2 phase excitation • 2W-2 phase excitation No. 5228—10/11 ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of November, 1997. Specifications and information herein are subject to change without notice. STK672-050 No. 5228—11/11 ...