Part Number: TL4242 Can the output pin (Q) tolerate an externally-applied voltage? In this case Vin would be 9V, the TL4242 would be disabled (PWM = 0V), but 6V would be applied to Q. Is this ok?
Part Number: TL4242 The datasheet mentions an I_qmax of 600mA when R_REF = 0Ω. Is this an acceptable thing to do? My application needs about 500mA (600 would be acceptable). However, I cannot use a low-side current sense so I cannot use the TL4242…
Part Number: TL4242 I am wondering if it is possible to use TL4242 as a constant current sink but without actually using LEDs. I believe I would do this by simply connecting Q directly to REF. It seems like this should work, and the TL4242 would drop all…
Part Number: TL4242 Hi team,
Can you answer the following questions by a customer?
"I am testing the use of the TL4242 for a 50 channel LED application. Unfortunately, 500mA nominal current is only available at lower voltages.
Two questions:
1) Can…
Part Number: TL4242 Hi team,
Could you please share the SOA data for TL4242 in order to design the circuit for inductive load driver, properly?
Best regards, Iwata Etsuji
Part Number: TL4242-Q1 Other Parts Discussed in Thread: TL4242 , TPS92611-Q1 , TPS92613-Q1 Hello, I intend to use the TL4242Q1 in a new product, as I never used it before I need to make sure the design is correct.
The product is a tail lamp used in a vehicle…
Part Number: TL4242 Hello team,
I'd like to know if there is LED current dependency in rise/fall time(tPWM,ON/OFF) on TL4242. The datasheet spec of 15us is for 377mA LED current. For instance, how should we estimate the difference for 150mA case?
Thanks…
Part Number: TL4242 Other Parts Discussed in Thread: TINA-TI , Tool/software: TINA-TI or Spice Models I read the TL4242 datasheet and found that the maximum output current under 5V power supply is around 220mA. However, when I simulated it in TINA I found…
Part Number: TL4242 HI,
I am testing TL4242, find the PWM dimming not work.
12V power supply It was found that PWM PIN > 1.3V, LED was fully bright. PWM < 1.3V, LED is completely extinguished and has no dimming function. Where is the problem ?
my…
Part Number: TL4242 Other Parts Discussed in Thread: TPS92612 , TLC6C5712-Q1 HI Sir
I have a 50mA LED driver (1ch) requirement (9~16Vin to 5Vout)
But need to use a voltage to control output current (analog dimming)
May I know TI have solution can be used…
