27 lines
471 B
Plaintext
27 lines
471 B
Plaintext
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
|
|
|