the l297 stepper motor controller
... Some form of load current control is essential to obtain good speed and torque characteristics. There are several ways in which this can be done – switching the supply between two voltages, pulse rate modulation chopping or pulse width modulation chopping. ...
... Some form of load current control is essential to obtain good speed and torque characteristics. There are several ways in which this can be done – switching the supply between two voltages, pulse rate modulation chopping or pulse width modulation chopping. ...
A Charge-Pump Type AC-DC Converter for Kei Eguchi Takahiro Inoue
... opposite polarities. Figure 2 shows a model of the power receiving coils. The conventional converter of Fig.1 consists of 2 charge-pump type AC-DC converters with opposite polarities. The converter shown in Fig.1 can supply a stepped-up DC voltage. After the AC-DC conversion, the output DC voltage i ...
... opposite polarities. Figure 2 shows a model of the power receiving coils. The conventional converter of Fig.1 consists of 2 charge-pump type AC-DC converters with opposite polarities. The converter shown in Fig.1 can supply a stepped-up DC voltage. After the AC-DC conversion, the output DC voltage i ...
MAX3050/MAX3057 ±80V Fault-Protected, 2Mbps, Low Supply Current CAN Transceivers General Description
... Connect a resistor from RS to ground to select slopecontrol mode (Table 2). In slope-control mode, the gates of the line drivers are charged with a controlled current, proportional to the resistor connected to the RS pin. Transmission speed ranges from 40kbps to 500kbps. Controlling the rise and fal ...
... Connect a resistor from RS to ground to select slopecontrol mode (Table 2). In slope-control mode, the gates of the line drivers are charged with a controlled current, proportional to the resistor connected to the RS pin. Transmission speed ranges from 40kbps to 500kbps. Controlling the rise and fal ...
CMOS, Rail-to-Rail, I/O OPERATIONAL AMPLIFIERS OPA703 OPA704
... The input common-mode voltage range of the OPA703 series extends 300mV beyond the supply rails at room temperature. This is achieved with a complementary input stage—an Nchannel input differential pair in parallel with a P-channel differential pair, as shown in Figure 2. The N-channel pair is active ...
... The input common-mode voltage range of the OPA703 series extends 300mV beyond the supply rails at room temperature. This is achieved with a complementary input stage—an Nchannel input differential pair in parallel with a P-channel differential pair, as shown in Figure 2. The N-channel pair is active ...
Buck converter class notes
... • Occurs for light loads, or low operating frequencies, where the inductor current eventually hits zero during the switchopen state • The diode opens to prevent backward current flow ...
... • Occurs for light loads, or low operating frequencies, where the inductor current eventually hits zero during the switchopen state • The diode opens to prevent backward current flow ...
Power Solutions
... The models CPD500 (fig. 1b) and CPA500/550 (fig. 1c) exhibit a third forward converter for both outputs Vo3 and Vo4. The outputs Vo1 an Vo2 provide up to 50 and 60 A. All outputs are fully regulated and protected from the bus by decoupling FETs or diodes. A current monitor calculates the output powe ...
... The models CPD500 (fig. 1b) and CPA500/550 (fig. 1c) exhibit a third forward converter for both outputs Vo3 and Vo4. The outputs Vo1 an Vo2 provide up to 50 and 60 A. All outputs are fully regulated and protected from the bus by decoupling FETs or diodes. A current monitor calculates the output powe ...
MAX9922/MAX9923 Ultra-Precision, High-Side Current-Sense Amplifiers General Description
... Data sheet limits are guaranteed by design and bench characterization. Thermocouple effects preclude measurement of this parameter during production testing. Devices are screened during production testing to eliminate defective units. VOS drift limits are guaranteed by design and bench characterizat ...
... Data sheet limits are guaranteed by design and bench characterization. Thermocouple effects preclude measurement of this parameter during production testing. Devices are screened during production testing to eliminate defective units. VOS drift limits are guaranteed by design and bench characterizat ...
Article - Voltage Clamp Techniques
... schematic voltage clamp circuit of Fig. 2, as discussed by Moore (1971). The membrane potential, Vm, is measured by the voltage follower, which has very high input impedance and so draws negligible input current. The clamping amplifier, of gain A, compares Vm with the command potential E, and passes ...
... schematic voltage clamp circuit of Fig. 2, as discussed by Moore (1971). The membrane potential, Vm, is measured by the voltage follower, which has very high input impedance and so draws negligible input current. The clamping amplifier, of gain A, compares Vm with the command potential E, and passes ...
MAX1692 Low-Noise, 5.5V-Input, PWM Step-Down Regulator General Description
... The MAX1692 uses a slope-compensated, currentmode PWM controller capable of achieving 100% duty cycle. The device uses an oscillator-triggered, minimum on-time, current-mode control scheme. The minimum on-time is approximately 150ns unless in dropout. The maximum on-time is approximately 2/fOSC, all ...
... The MAX1692 uses a slope-compensated, currentmode PWM controller capable of achieving 100% duty cycle. The device uses an oscillator-triggered, minimum on-time, current-mode control scheme. The minimum on-time is approximately 150ns unless in dropout. The maximum on-time is approximately 2/fOSC, all ...
HIP4081 Application notes
... The HIP4081 is a member of the HIP408X family of High Frequency H-Bridge Driver ICs. A simplified block diagram of the HIP4081 application is shown in Figure 1. The HIP408X family of H-Bridge driver ICs provide the ability to operate from 8VDC to 80VDC busses for driving N-channel MOSFET HBridges. T ...
... The HIP4081 is a member of the HIP408X family of High Frequency H-Bridge Driver ICs. A simplified block diagram of the HIP4081 application is shown in Figure 1. The HIP408X family of H-Bridge driver ICs provide the ability to operate from 8VDC to 80VDC busses for driving N-channel MOSFET HBridges. T ...
LTC4075
... is capable of sinking up to 10mA, making it suitable for driving an LED. ENABLE (Pin 6): Enable Input. When the LTC4075 is charging from the DCIN source, a logic low on this pin enables the charger. When the LTC4075 is charging from the USBIN source, a logic high on this pin enables the charger. If ...
... is capable of sinking up to 10mA, making it suitable for driving an LED. ENABLE (Pin 6): Enable Input. When the LTC4075 is charging from the DCIN source, a logic low on this pin enables the charger. When the LTC4075 is charging from the USBIN source, a logic high on this pin enables the charger. If ...
Blocking Oscillation Due to Combination of Discrete and Continuous
... Here, the author proposes an indirect measurement method of blocking oscillation in the singleflux-quantum blocking oscillator. A voltage waveform across a Josephson junction is a pulse train as shown in Figure 3. In experiments, however, pulses are smeared through conventional lowbandwidth equipmen ...
... Here, the author proposes an indirect measurement method of blocking oscillation in the singleflux-quantum blocking oscillator. A voltage waveform across a Josephson junction is a pulse train as shown in Figure 3. In experiments, however, pulses are smeared through conventional lowbandwidth equipmen ...
PNIMNiPE_nr56
... The low on-state resistance can influence well-proven short circuit detection mechanism. IGBT’s protection circuit is based on a desaturation (DESAT) voltage monitoring by the IC, HCPL-316J isolated switch driver. Collector-emitter voltage, vCE, is sensed through a diode, see Fig. 6a. When the volta ...
... The low on-state resistance can influence well-proven short circuit detection mechanism. IGBT’s protection circuit is based on a desaturation (DESAT) voltage monitoring by the IC, HCPL-316J isolated switch driver. Collector-emitter voltage, vCE, is sensed through a diode, see Fig. 6a. When the volta ...
Lesson 2 Resistance
... What are the electrical components called resistors? Resistors are electrical components very often used in electrical circuits to control the amount of current. Resistor are available in a large range of values and are typically made using these types of materials: Resistive metal film Resistive w ...
... What are the electrical components called resistors? Resistors are electrical components very often used in electrical circuits to control the amount of current. Resistor are available in a large range of values and are typically made using these types of materials: Resistive metal film Resistive w ...