Electronic Design

Precision Current Monitor, Hot-Swap/Ideal-Diode Controller Meet Automotive Standards

The “electrification” of numerous functions within automobiles and related vehicles continues, and that trend applies to all vehicle types—those with internal combustion engines (ICE), hybrid electric ...
EDN

Single-Stage Constant Current Controller

The LYTSwitch-4 family enables off-line LED drivers with high power factor which easily meet international requirements for THD and harmonics. Output current is tightly regulated with better than ±5% ...
EDN

Fixed Frequency Current Mode PWM Controller

The NCP1247USBPDGEVB evaluation board is a flyback-topology switched-mode power supply designed for USB PD (power delivery) applications. The regulation of switched-mode power supply is ensured by the ...
Electronic Design

National Semiconductor introduces 100 V current-mode buck controller

National Semiconductor Corporation has introduced the LM5116, a 6 V to 100 V current-mode buck controller for dc-dc power supply designs in automotive and other applications. National said the device ...
EurekAlert!

A step forward for motor torque controllers: In order to reduce oscillations and oversets, a speed loop pseudo derivative feed forward controller is proposed

The schematic of a PMSM drive using a DTC-based speed loop PDFF controller is shown in Fig. 1. This DTC scheme is implemented in stator flux frame, which requires knowledge of stator flux in ...