Apr 30, 2010 · I have a TL494 oscillator driving a switching power supply and right now the best I can get is 40-45% duty cycle. I know the datasheet says 45 is the recommended maximum …

Nov 22, 2012 · The diagram you have wont work,as its using the deadtime pin to regulate. To put current limit on a TL494 you need to use pin 16 or pin 1 to detect the increased current …

May 7, 2020 · Not able to get high current from buck boost (sepic) converter made using TL494: Power Electronics: 11: Dec 23, 2023: A: TL494 Boost Converter Problem: Power Electronics: …

Oct 19, 2023 · All the TL494-based switch-mode PSUs I've seen use BJTs as switching devices. As the datasheet states: "Two output transistors are available on the TL494. Both transistors …

Oct 19, 2023 · Curiously enough, the clock seems to be as stable as it could be (it is determined by the R_T / C_T combination on two pins of the TL494). However, the C_T ramp has noise …

Nov 1, 2018 · TL494 charger output voltage adjustment: Power Electronics: 18: Jan 8, 2025: L: Not able to get high current from buck boost (sepic) converter made using TL494: Power …

Jan 8, 2025 · The inverter circuit uses two TL494 IC's; I wrongly thought one is related to the charging circuit. So, I need to study the circuit more carefully ; I'm still unable to identify the …

Jan 2, 2020 · Hello everyone in the AAC community. I recently built this motor controller based on TI's TL494 and IR2110 mosfet driver. Although it works great i have a question. I have the …

Feb 8, 2011 · TL494 charger output voltage adjustment: Power Electronics: 18: Jan 8, 2025: L: Not able to get high current from buck boost (sepic) converter made using TL494: Power …

May 23, 2019 · Not able to get high current from buck boost (sepic) converter made using TL494: Power Electronics: 11: Dec 23, 2023: T: boost converter with TL494: Power Electronics: 24: …