通通

Soft start without power limitation

Overview

Unlimited power soft start based on NTC, adjusting the potentiometer can adjust the time for the relay to close and short-circuit NTC.

Design Files

Related Devices

Devices	Class	introduce	Datasheet
IRFP250NPBF	Discrete semiconductor;The transistor	Drain-source voltage (Vdss): 200V Continuous drain current (Id) (at 25°C): 30A Gate-source threshold voltage: 4V @ 250uA Drain-source on-resistance: 75mΩ @ 18A, 10V Maximum power dissipation (Ta= 25°C): 214W Type: N channel N channel, 200V, 30A, 75mΩ@10V	Download
SRD-03VDC-SL-C	accessories;relay	Contact form: SPDT Contact rated current: 10A Coil type: Non Latching Coil voltage: 3VDC Relay type: General Purpose. SONGLE relay 3.3v driver, 5 pins	Download
RN1WS470KΩFT/BA1	Passive components;Metal film resistor	Resistance (ohms): 470K Accuracy: ±1% Power: 1W Temperature coefficient: ±100ppm/°C 1WS	Download
0805W8F2002T5E	Passive components;SMD resistor	Resistance (ohms): 20K Accuracy: ±1% Power: 1/8W Temperature coefficient: ±100ppm/°C	Download
SZ2012G102TF	Passive components;Magnetic beads	Impedance @ Frequency: 1kΩ @ 100MHz Number of Lines: 1 Rated Current (Max): 500mA DC Resistance (DCR) (Max): 500mΩ	Download
LTST-S110KSKT	LED optoelectronic/LED;Light-emitting diodes (leds)	Illumination color: yellow Main wavelength/color coordinate: 587~588nm	Download
CT4G-0805-2X1-50V-0.1μF-K	Passive components;Into ceramics capacitors	Capacitance: 100nF Accuracy: ±10% Rated voltage: 50V Material: 2X1	Download
LM358PSR		Op Amp Dual GP ±16V/32V 8-Pin SOP T/R	Download
1N4007	Discrete semiconductor;General diode	DC reverse withstand voltage (Vr): 1kV Average rectified current (Io): 1A Forward voltage drop (Vf): 1.1V @ 1A 1000V, 1A, VF=1.1V@1A	Download
NTCLE400E3472H	Passive components;The resistor		Download

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2024-11-14 23:10:19

Control power-on circuit problem
What is the problem with this circuit to realize the microcontroller control startup? Is the resistance of R2 too large?
[RISC-V MCU CH32V103 Review] - 0: Three unexpected things when meeting for the first time
This is the actual object of this review:The first thing I didn’t expect was that it was so small and exquisite, which was completely in line with the temperament of a “reduced” instruction set.The se
ONENET platform DTLS encryption mentioned the boot machine and access machine. What are the boot machine and access machine? What is the difference between them?
The information is as follows:Overview1.1 Introduction to DTLS encryption DTLS (Datagram Transport Layer Security) is a datagram transport layer security protocol. It is an extension based on the TLS
【phyBOARD-i.MX 8M Plus Development Board】Part 2: Powering on the Development Board and Evaluating the Development Environment
In the box provided with the development board, there is a relatively large instruction manual, which should be the steps for Get Start. The Germans are very rigorous in their work, which can be seen
22 Ways to Prevent EMI When Designing Power Supplies
As an energy conversion device working in the switching state, the voltage and current change rate of the switching power supply is very high, and the interference intensity generated is relatively la
RISC-V MCU Application Development Series Tutorial CH32V103
[i=s] This post was last edited by Woxinyongyong on 2020-11-27 17:22[/i]About CH32V103: The CH32V103 series is a 32-bit general-purpose microcontroller with RISC-V 3A processor as the core. The proces

Datasheet More

Circuits More