ZHCSCK8G May 2014 – October 2017 LP8860-Q1
PRODUCTION DATA.
Address 0x66
EEPROM Register 6 | |||||||
---|---|---|---|---|---|---|---|
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RESERVED | GAIN_CTRL[2:0] | EN_EXT_LED_CUR_CTRL | DRV_EN_SPLIT_FET | BRT_MODE[1:0] |
Name | Bit | Access | Description |
---|---|---|---|
GAIN_CTRL[2:0] | 6:4 | R/W | Switch point from PWM to current control for Hybrid PWM and Current dimming mode
000 = 50.0% 001 = 40.6% 010 = 31.3% 011 = 25.0% 100 = 21.9% 101 = 18.8% 110 = 15.6% 111 = 12.5% |
EN_EXT_LED_CUR_CTRL | 3 | R/W | Enable LED current set resistor
0 = Resistor is disabled and current is scaled with SCALE[2:0] EEPROM register bits 1 = Enable LED current set resistor. LED current is scaled by the RISET resistor |
DRV_EN_SPLIT_FET | 2 | R/W | LED current sink FET control
0 = big size FET is driving LED current 1 = enable use of smaller FET for driving low LED output currents. Smaller FET is selected automatically when current setting is below 1/16 of the scale. Automatic scaling improves accuracy for output currents below 1/16 of the full current scale. |
BRT_MODE[1:0] | 1:0 | R/W | Brightness control mode
00 = PWM input pin duty cycle control 01 = PWM input duty x Brightness register 10 = Brightness register 11 = Direct PWM control from PWM input pin |