Datasheet AP1042 (Asahi Kasei Microdevices) - 9

制造商Asahi Kasei Microdevices
描述32V 1ch H-Bridge Motor Driver IC
页数 / 页18 / 9 — [AP1042]. SEL. Pin. Function. Parallel. or. Complemental. input. mode. …
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[AP1042]. SEL. Pin. Function. Parallel. or. Complemental. input. mode. can. be. selected. by. the. SEL. pin. Parallel. input. mode. suits. for. forward. or. invert

[AP1042] SEL Pin Function Parallel or Complemental input mode can be selected by the SEL pin Parallel input mode suits for forward or invert

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[AP1042] SEL Pin Function Parallel or Complemental input mode can be selected by the SEL pin. Parallel input mode suits for forward or invert standard motor driving operation. Complemental input mode suits for forward or invert motor driving operation while fixing the INA level and inputting PWM signal to the INB. In both modes, the output voltage can be controlled by inputting PWM signal (max.= 200kHz) to the INA pin and INB pin. The minimum pulse period of the PWM signal is 1μs. When controlling the motor current using the PWM signal to INA or INB, please note that the motor current according to the PWM signal may not be obtained unless the VREF terminal is set to 3.6 V or more. Note that the motor current corresponding to PWM current may not be obtained unless the VREF pin voltage is set to 3.6V or more when controlling the motor current using the PWM signal for INA or INB input. Table 3. SEL Pin Setting SEL Pin Status L Parallel Input Mode H Complemental Input Mode Each Mode Operation <Standby (Spin-out)> OUT pins (motor output) become high impedance. All the internal circuits are in operation. It is recommended to set the SLEEPB pin to “L” → “H” level in this standby (spin-out) state. <Forward> OUTA pin output “H” level and OUTB pin output “L” level. When connecting a motor between OUTA and OUTB, a current flows from the OUTA pin to the OUTB pin. <Reverse> OUTA pin output “L” level and OUTB pin output “H” level. When connecting a motor between OUTA and OUTB, a current flows from the OUTB pin to the OUTA pin. <Break (Stop)> OUTA pin and OUTB pin output “L” level signal. Use this mode to stop a rotating motor. Standby Forward Reverse Break Figure 7. Output Status in Basic Operation Modes Outputs 019002353-E-00 2019/03 - 9 - Document Outline 1. General Description 2. Features 3. Table of Contents 4. Block Diagram 5. Pin Configulations and Functions 5.1. Pin Layout 5.2. Pin Functions 6. Absolute Maximum Ratings 7. Recommended Operation Conditions 8. Electric Characteristics 9. Functional Descriptions 9.1. Control Logic 9.2. PWM Duty Control 9.3. Protection Functions 10. Recommended External Circuit 11. Package 11.1. Outline Dimensions 11.2. Land Pattern 11.3. Marking 12. Ordering Guide 13. Revision History IMPORTANT NOTICE