an44069a Panasonic Corporation of North America, an44069a Datasheet
an44069a
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an44069a Summary of contents
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... DATA SHEET Part No. Package Code No. Publication date: July 2009 AN44069A HSOP042-P-0400D SDL00015AEB 1 ...
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... AN44069A Overview …………………………………………………….……………………………………………………… 3 Features … ...
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... AN44069A AN44069A Driver IC for Stepping Motor Overview AN44069A is a two channels H-bridge driver IC. Bipolar stepping motor can be controlled by a single driver IC. 2-phase, half-step, 1-2 (type2) phase, W1-2 phase can be selected. Features 4-phase input control (W1-2 phase excitation enabled) Built-in CR chopping (with frequency selected) Built-in thermal protection and low voltage detection circuit ...
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... AN44069A Application Circuit Example BC1 19 CHARGE 0.01 μF BC2 20 PUMP PHB1 2 ENABLEB 9 IN3 6 IN2 5 VREFB 24 TJMON 10 PWMSW 28 PWMSW VREFA 23 IN1 4 IN0 3 ENABLEA 7 PHA1 1 S5VOUT 27 0.1 μF Notes) This application circuit is shown as an example but does not guarantee the design for mass production set. ...
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... AN44069A Pin Descriptions Pin No. Pin name 1 PHA1 2 PHB1 3 IN0 4 IN1 5 IN2 6 IN3 7 ENABLEA 8 VM1 Power supply 9 ENABLEB 10 TJMON Output 11 N.C. 12 BOUT2 Output 13 RCSB / Output 14 BOUT1 Output 15 AOUT2 Output 16 RCSA / Output 17 AOUT1 Output 18 N.C. 19 BC1 Output 20 BC2 Output 21 VPUMP Output 22 VM2 Power supply ...
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... AN44069A Absolute Maximum Ratings Note) Absolute maximum ratings are limit values which are not destructed, and are not the values to which operation is guaranteed. A No. Parameter 1 Supply voltage 1 (Pin 8, 22) 2 Supply voltage 2 (Pin 25) 3 Power dissipation 4 Operating ambient temperature 5 Storage temperature 6 Output pin voltage (Pin 12, 14, 15, 17) ...
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... AN44069A Allowable Current and Voltage Range Notes) Voltage values, unless otherwise specified, are with respect to GND. Do not apply external currents or voltages to any pin not specifically mentioned. For the circuit currents, "+" denotes current flowing into the IC, and "−" denotes current flowing out of the IC. ...
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... AN44069A Electrical Characteristics at V Note 25°C±2°C unless otherwise specified No. Parameter Power Block High-level output saturation 1 voltage Low-level output saturation 2 voltage Flywheel diode forward 3 voltage 4 Output leakage current 1 5 Supply current I/O Block Supply current (with two 6 circuits turned OFF) ...
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... AN44069A Electrical Characteristics (continued Note 25°C±2°C unless otherwise specified No. Parameter Torque control Block 23 Input bias current 24 PWM frequency 1 25 PWM frequency 2 26 Pulse blanking time Comp threshold 27 H (100%) Comp threshold 28 C (67%) Comp threshold 29 L (33%) ...
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... AN44069A Electrical Characteristics (Reference values for design 25°C±2°C unless otherwise specified. Notes The characteristics listed below are reference values derived from the design of the IC and are not guaranteed by inspection problem does occur related to these characteristics, we will respond in good faith to user concerns. ...
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... AN44069A Technical Data I/O block circuit diagrams and pin function descriptions Note) The characteristics listed below are reference values derived from the design of the IC and are not guaranteed. Pin Waveform No. and voltage 100k — 100k 4k BC2 20 — Internal circuit ...
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... AN44069A Technical Data (continued) I/O block circuit diagrams and pin function descriptions (continued) Note) The characteristics listed below are reference values derived from the design of the IC and are not guaranteed. Pin Waveform No. and voltage 19 — Pin23 VREFA 23 — 24 2.231k Internal circuit Impedance ...
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... AN44069A Technical Data (continued) I/O block circuit diagrams and pin function descriptions (continued) Note) The characteristics listed below are reference values derived from the design of the IC and are not guaranteed. Pin Waveform No. and voltage 27 — 102k Pin 1 PHA1 2 PHB1 28 PWMSW 1 2 — ...
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... AN44069A Technical Data (continued) I/O block circuit diagrams and pin function descriptions (continued) Note) The characteristics listed below are reference values derived from the design of the IC and are not guaranteed. Pin Waveform No. and voltage Pin 3 IN0 4 IN1 5 IN2 6 IN3 3 7 ENABLEA 4 9 ENABLEB 5 — ...
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... AN44069A Technical Data (continued) I/O block circuit diagrams and pin function descriptions (continued) Note) The characteristics listed below are reference values derived from the design of the IC and are not guaranteed. Waveform Pin No. and voltage Symbols ― Internal circuit Impedance VCC (Pin 25) ...
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... AN44069A Technical Data (continued) Control mode 1. Truth table ENABLEA/ENABLEB "L" "L" "H" IN0/IN2 "L" "H" "L" "H" Note Current detection resistance Note2) ENABLEA = ENABLEB = "H" or IN0 = IN1 = "H" / IN2 = IN3 = "H", all outputs transistors turn off at the same time. ...
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... AN44069A Technical Data (continued) Control mode (continued) 2. Drive of full step (4steps sequence) (IN0 to IN3 = const PHA1 V PHB1 A-ch. Motor current B-ch. Motor current A-ch. Motor current B-ch. Motor current FWD SDL00015AEB PHA1 V PHB1 REV 17 ...
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... AN44069A Technical Data (continued) Control mode (continued) 3. Drive of half step (8steps sequence) (Ex PHA1 V PHB1 V IN0 V IN1 V IN2 V IN3 A-ch. Motor current B-ch. Motor current A-ch. Moto current B-ch. Motor current FWD REV SDL00015AEB PHA1 V PHB1 V IN0 ...
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... AN44069A Technical Data (continued) Control mode (continued) 4. 1-2 phase excitation (8steps sequence) (Ex PHA1 V PHB1 V IN0 V IN1 V IN2 V IN3 A-ch. Motor current B-ch. Motor current FWD REV SDL00015AEB PHA1 V PHB1 V IN0 V IN1 V IN2 V IN3 A-ch. Motor current B-ch. Motor current ...
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... AN44069A Technical Data (continued) Control mode (continued) 5. W1-2 phase excitation (16steps sequence 101112 13 1415 16 V PHA1 V PHB1 V IN0 V IN1 V IN2 V IN3 A-ch. Motor current B-ch. Motor current A-ch. Motor current B-ch. Motor current FWD REV SDL00015AEB 1011 12 131415 16 ...
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... AN44069A Technical Data (continued) ⎯ diagram D a SDL00015AEB 21 ...
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... AN44069A Usage Notes Special attention and precaution in using 1. This IC is intended to be used for general electronic equipment [Stepping motor drive]. Consult our sales staff in advance for information on the following applications: Special applications in which exceptional quality and reliability are required the failure or malfunction of this IC may directly jeopardize life or harm the human body ...
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... AN44069A Usage Notes (continued) Notes of Power LSI 1. Design the heat radiation with sufficient margin so that the allowable value might not be exceeded base on the conditions of power supply voltage, load, and ambient temperature. (It is recommended to design the junctions of the IC with 70% to 80% of absolute maximum rating or less.) 2 ...
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... AN44069A Usage Notes (continued) Notes of Power LSI (continued) 9. VREF voltage In case of setting VREF voltage to low level, noises might cause malfunctions due to that Comp threshold (SPEC No. 27/28/29 in Page 10)gets low. Under the condition of set VREF voltage, use the IC after checking that malfunctions do not occur. ...
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... AN44069A Usage Notes (continued) Notes of Power LSI (continued) 12. In case of measuring the chip temperature of the IC, measure the voltage of TJMON(Pin 10) and presume the chip temperature from the following data. Use the following data as reference data. Before applying the product, conduct a sufficient ...
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... AN44069A Usage Notes (continued) Notes of Power LSI (continued) 14. Notes of RCS line Take the figure and points below into consideration and design PCB pattern. (1) Point 1 Make the wiring to current detection pins (RCSA/RCSB) thick and short ,and design lower impedance. Or else current might not be detected properly due to wiring impedance and the current might not be applied to a motor sufficiently. ...
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Request for your special attention and precautions in using the technical information and (1) If any of the products or technical information described in this book exported or provided to non-residents, the laws and regulations of the ...