Hello Kygo,
At very low PWM frequencies you need to be careful increasing the boot strap capacitor (CBST) between SW and BST. If the CBST is too large then it can trigger the LS ILIM when you try to charge it. The reason we generally recommend the larger…
Part Number: TPS92643-Q1 Other Parts Discussed in Thread: TPS92643EVM-204 Tool/software:
Paramaeter
MIN
TYP
MAX
Vin
Input voltage
9
13.5
16
Ns
Number of LEDs
2
Vf(led)
LED forward voltage drop
3
3.2
3.5
rD
LED string series resistanc…
Part Number: TPS92643-Q1 Other Parts Discussed in Thread: TPS92643EVM-204 Hi,
TPS92643QPWPRQ1 is a LED driver (Buck).
This IC Frequency range is 100 kHz to 2.2 MHz.
My design consideration for BUCK is
Input voltage: VBUCKIN: 10.5V to 16 V
Output voltage…