Datasheet TB67S559FTG (Toshiba)

TB67S559FTG Toshiba BiCD Process Integrated Circuit Silicon Monolithic
TB67S559FTG
BiCD constant-current 2-phase bipolar stepping motor driver IC
1. Description
The TB67S559FTG is a PWM chopper type 2-phase bipolar drive system stepping motor driver IC with PWM chopper type 2-phase bipolar drive. Using the BiCD process, it achieves an output withstand voltage of 50 V and a maximum current of 3.0 A. The motor can be driven by a single VM power supply with a built-in regulator for IC operation. P-VQFN32-0505-0.50-008 Weight: 0.065 g (Typ.)
2. Features
• BiCD process integrated monolithic IC • Bipolar stepping motor driver IC • Advanced Current Detect System (ACDS) functionality enables PWM constant current drive without external current detection resistors • Advanced Dynamic Mixed Decay (ADMD) function for high-efficiency PWM constant-current drive • Clock input control • Operational in full, half, quarter, 1/8, 1/16, and 1/32 step resolutions. • BiCD process : DMOSFETs are used for output power transistors • High withstand voltage and high current: 50 V / 3.0 A (absolute maximum rating) • Built-in over-temperature detection (TSD), over-current detection (ISD), and low supply voltage detection (UVLO) • Reduced external components for charge pump • Package : P-VQFN32-0505-0.50-008 Start of commercial production 2024-10 © 2 024 1 2024-10-09 Toshiba Electronic Devices & Storage Corporation Rev.2.0 Document Outline BiCD constant-current 2-phase bipolar stepping motor driver IC 1. Description 2. Features 3. Pin assignment 4. Block diagram 5. Pin Description 6. Input / Output Equivalent Circuit 7. Functional Description 7.1. Function of SLEEP_X 7.2. Function of CLK 7.3. Function of ENABLE 7.4. Function of CW/CCW 7.5. Function of DMODE0, DMODE1,DMODE2 7.6. Sequence by drive mode in clock input control mode 7.7. Excitation method and set current value 7.8. Selectable Mixed Decay Function 7.9. Mixed Decay current waveform 1 7.10. For each time of constant-current PWM operation 7.11. Mixed Decay current waveform 2 7.12. ADMD (Advanced Dynamic Mixed Decay) Constant current control 7.13. ADMD (Advanced Dynamic Mixed Decay) current waveform 1 7.14. ADMD (Advanced Dynamic Mixed Decay) current waveform 2 7.15. Function of RESET 7.16. Torque Function 7.17. Function of MO 7.18. LO (error detection flag output) Function 8. Output stage transistor operation mode (Advanced Dynamic Mixed Decay) 8.1. Functions of output stage transistor operation 9. About the set current value (IOUT) 10. About chopping frequency (fCHOP) 11. Power Consumption of IC 11.1. Power consumption of power transistor section 11.2. Power consumption of logic and IM systems 11.3. Power consumption 12. About the detection function 13. Overheat detection (This function is a latch type that maintains operation at the time of detection.) 14. Overcurrent detection (This function is a latch type that maintains operation at the time of detection.) 15. Absolute Maximum Ratings (Ta = 25 C) 16. PD-Ta graph (for reference) 17. Operating range (Ta = -40 to 85 C) 18. Electrical Specifications 18.1. Electrical Specifications 1(Ta = 25 C, VM = 24 V unless otherwise specified) 18.2. Electrical Specifications 2 (Ta = 25 C, VM = 24 V unless otherwise specified) 18.2.1. With respect to back EMF 18.2.2. Overcurrent and overheat detection 18.2.3. Handling of ICs 19. AC electrical characteristics (Ta = 25 C, VM = 24V) 20. AC Characteristics Timing Chart 21. Application Circuit Example 22. Package Information 23. Notes on Contents 24. IC Usage Considerations 24.1. Notes on Handling of ICs 24.2. Points to Remember on Handling of ICs RESTRICTIONS ON PRODUCT USE