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BTN8962 データシート(PDF) 5 Page - Infineon Technologies AG |
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BTN8962 データシート(HTML) 5 Page - Infineon Technologies AG |
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5 / 94 page  1 Motor Configurations Electrical motors are built with various architectures. Mechanically commutated motors with brushes, so called DC motors or electrically commutated motors, so called BLDC motors (BrushLess DC motors). Due to the flexibility of the half-bridge concept, the NovalithIC™family can support all of them. Using NovalithIC™ controlling a DC-motor has the following advantages: • Extremely low parasitic inductances between high-side and low-side MOSFET. • Optimized switching performance of the MOSFET’s to reduce power losses and EMC emission. • Driving the motor with PWM for torque and speed control. • Integrated freewheeling transistor. • Integrated current measurement. • Integrated diagnosis and protection. • Microcontroller compatible input pins. • Small and PCB-area saving package. 1.1 Half-bridge configuration for mono-directional motor control Figure 2 shows the design of a mono-directional motor control with NovalithIC™. In most cases, the motor is connected between “OUT” and “GND”. This is because the chassis of a car is “GND”, and therefore a short to “GND” is much more probable than a short to “Vs”. For this reason it is statistically safer with a motor connected to “GND”, because if a short occurs in this case, the motor is not running. Generally, it is also possible to use the NovalithIC™ to drive the motor between “OUT” and “Vs”. The inverted “IN” signal must be respected. M XC866 TLE 4278G VS I/O Reset Vdd Vss WO RO Q D GND I Microcontroller Reverse Polarity Protection (IPD90P03P4L-04) Voltage Regulator C9 100nF CD 47nF CQ 22µF C10 470µF/ R3 10k DZ1 10V R1 10k R2 10k R11 0..51k R12 1k I/O I/O I/O CI 470nF CIS 1nF CO 2V 220nF C1 47µF/ 100µF L1 INH IN IS SR BTN89xx VS OUT GND COUT 220nF C2 100nF 1000µF Figure 2 Application circuit for a monodirectional motor with BTN8962/82 BTN8960 /62 /80 /82 High Current PN Half Bridge Motor Configurations Application Note 5 Rev. 0.6 2017-02-21 |
同様の部品番号 - BTN8962 |
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同様の説明 - BTN8962 |
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