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LP8860-Q1 Datasheet(PDF) 73 Page - Texas Instruments |
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LP8860-Q1 Datasheet(HTML) 73 Page - Texas Instruments |
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73 / 110 page  73 LP8860-Q1 www.ti.com SNVSA21F – MAY 2014 – REVISED JULY 2017 Product Folder Links: LP8860-Q1 Submit Documentation Feedback Copyright © 2014–2017, Texas Instruments Incorporated 8.6.2.7 EEPROM Register 6 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 8.6.2.8 EEPROM Register 7 Address 0x67 EEPROM Register 7 7 6 5 4 3 2 1 0 DRV_OUT2_CORR[3:0] DRV_OUT1_CORR[3:0] Name Bit Access Description DRV_OUT2_CORR[3:0] 7:4 R/W Current correction for OUT2 LED current sink 0000 = 6.5% 0001 = 5.6% 0010 = 4.7% 0011 = 3.7% 0100 = 2.8% 0101 = 1.9% 0110 = 0.9% 0111 = 0.0% 1000 = –0.9% 1001 = –1.9% 1010 = –2.8% 1011 = –3.7% 1100 = –4.7% 1101 = –5.6% 1110 = –6.5% 1111 = –7.4% |
Similar Part No. - LP8860-Q1_17 |
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Similar Description - LP8860-Q1_17 |
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