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LP8866S-Q1 Datasheet(PDF) 55 Page - Texas Instruments |
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LP8866S-Q1 Datasheet(HTML) 55 Page - Texas Instruments |
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55 / 82 page  Figure 7-38. AUTO_DETECT_DIAGNOSTICS Register (continued) RESERVED AUTO_PWM_FREQ_SEL RESERVED AUTO_LED_STRING_CFG R-0h R-0h R-0h R-0h 7 6 5 4 3 2 1 0 RESERVED AUTO_BOOST_FREQ_SEL MODE_SEL R-0h R-0h R-0h Table 7-29. AUTO_DETECT_DIAGNOSTICS Register Field Descriptions Bit Field Type Reset Description 15 RESERVED R 0h This bit is reserved 14-12 AUTO_PWM_FREQ_SEL R 0h LED PWM frequency value from PWM_SEL resistor detection 0h = 152 Hz 1h = 305 Hz 2h = 610 Hz 3h = 1221 Hz 4h = 2441 Hz 5h = 4883 Hz 6h = 9766 Hz 7h = 19531 Hz 11 RESERVED R 0h This bit is reserved 10-8 AUTO_LED_STRING_CF G R 0h LED string configuration from LED_SET resistor detection 0h = 6 separate strings 1h = 5 separate strings 2h = 4 separate strings 3h = 3 separate strings 4h = 2 separate strings 5h = 6 channel outputs connected in 3 groups to drive 3 strings 6h = 6 channel outputs connected in 2 groups to drive 2 strings 7h = 6 channel outputs connected together to drive 1 string 7-6 RESERVED R 0h These bits are reserved 5-3 AUTO_BOOST_FREQ_S EL R 0h Boost switching frequency value from PWM_FSET resistor detection 0h = 100 kHz 1h = 200 kHz 2h = 303 kHz 3h = 400 kHz 4h = 500 kHz 5h = 1818 kHz 6h = 2000 kHz 7h = 2222 kHz 2-0 MODE_SEL R 0h LED dimming MODE value from MODE detection 0h = PWM mode, I2C address 0x2B 1h = 12.5% hybrid dimming mode, I2C address 0x2B 2h = Constant current mode, I2C address 0x2B 3h = Direct PWM, I2C address 0x2B 4h = PWM mode, I2C address 0x2A 5h = 12.5% hybrid dimming mode, I2C address 0x2A 6h = Constant current mode, I2C address 0x2A 7h = Direct PWM, I2C address 0x2A www.ti.com LP8866S-Q1 SNVSBD1A – AUGUST 2020 – REVISED FEBRUARY 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 55 Product Folder Links: LP8866S-Q1 |
Similar Part No. - LP8866S-Q1_V01 |
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