The setting of channel current for SiLM4228x (x=0, 1, 2, 3) is as follows:
1. Divide 1.5V by the resistance of IRx (x=1, 2, 3) pins to obtain a current;
2. Multiply the current obtained above by 960 times to obtain the corresponding channel current.
SiLM4228x (x=0, 1, 2, 3) has identical parameters except for the Open diagnostic enable threshold.
Two zero drift operational amplifiers are integrated in SLM8834, which can be used for analog PID control. However, SLM8833 does not integrate these two operational amplifiers and can only be controlled using digital PID.
The setting of channel current for SiLM4228x (x=0, 1, 2, 3) is as follows:
1. Divide 1.5V by the resistance of IRx (x=1, 2, 3) pins to obtain a current;
2. Multiply the current obtained above by 960 times to obtain the corresponding channel current
The single lamp short circuit threshold calculated based on the Datasheet refers to the protection when the LED terminal voltage is below this threshold. The function of this protection is to prevent LED damage and short circuit during practical application, resulting in a decrease in the voltage at the LED end. At this time, there will be high power consumption on the chip, and this protection is to protect the chip from overheating.
SiLM4228x (x=0123) has identical parameters except for the Open diagnostic enable threshold
