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This is a introduction for flashlight chip LM3642
[Scope]
- one channel for one LED
- Two silicon revision
* LM3642
* LM3642LT (Half torch current)
[Hardware Interface]
- I2C
* For general control
* Slave address 0x63
[Limit]
- Torch Mode
* Min currnet: 48.4 mA (24 mA for LM3642LT)
* Max current: 375 mA (187.5 mA for LM3642LT)
- Strobe Mode
* Min currnet: 93.75 mA
* Max current: 1500 mA
* Min protected timeout: 100 ms
* Max protected timeout: 800 ms