Part Number: TPS92390 Hi Team,
Could I ask how to set the TPS92390 to meet following requirement? [Requirement] 1. control the LED current by I2C(Analog dimming) 2. control the LED current ON/OFF(analog dimming current or 0%) by PWM input(PWM dimming) Key…
Part Number: TPS92390 Hi,
I have some question wants to check as below.
1. Switching frequency only have below can choose? If I want to set 600kHz or 700kHz, any recommend value or figure can reference?
2. In datasheet P22, it recommend set range from…
Part Number: TPS92390 Hi,
I have checked TPS92390 datasheet 7.3.9.3.2 Short LED Faults (SHORT_LED) chapter,
But still have some question about this function? It not depend on how much LED series on 1 string?
I need set any register or other external HW…
Part Number: TPS92390 Hi,
My customer wants used an external bias voltage to control ISET voltage to achieve dimming,
Is it possible on TPS92390 design?
Because their some old product is analog dimming not PWM dimming, they want use one chip to meet 2…
Part Number: TPS92390 Hi,
If I used TPS92390 as standalone, no MCU I2C control TPS92390, only use register default value, and let it work only by external HW setting, is it possible?
For BRT_CONTROL Register (Offset = 00h) [reset = 0h] this register, it…
Part Number: TPS92390 Other Parts Discussed in Thread: TPS92360 Hi
I'm going to drive a white LEDs combination of 14 strings, 3LEDs per string
All 14 strings must be connected together as below drawing
Each string current is 3-4mA maximum, for a total…
Part Number: TPS92390 Hi Team,
I have three questions about TPS92390 so could you help? #1: detail description of Current Dimming Mode of table 7-7. Dimming Mode Configuration?
#2: what is the difference between "DISPLAY_BRT, PWM Input" and "LED_CURRENT…
Part Number: TPS92390 Hi
Does the Vout changes automatically according to the number of the LED connected in series?
For example,
If I connect 10 LEDs with 1.5V forward voltage each, does that make the Vout 20V?
If I connect 20 LEDs does the Vout change…
