JAJSMG4A June 2023 – September 2023 TPS922052 , TPS922053 , TPS922054 , TPS922055
PRODUCTION DATA
The maximum LED current is 4 A at 100% PWM duty and the corresponding VREF is 200 mV. By using 式 1, the sense resistance is calculated as 50 mΩ.
Note that the power consumption of the sense resistor is 800 mW, requiring enough margin of the resistor's power rating in selection.