Maxim with EEPROM Highly Integrated PMIC MAX17106 Reduces LCD Cost
Maxim introduces the MAX17106, a fully integrated PMIC (Power Management IC) that dramatically reduces BOM cost and solution size for notebook LCD panels. The device's unique architecture integrates two boost regulators, an LDO, a programmable VCOM calibrator with buffers, three high-speed operational amplifiers, a high-voltage level-shifting scan driver, and an 18Kb EEPROM. The MAX17106 uses Maxim's patented high-voltage BiCMOS process to integrate all the circuitry needed to power the LCD source driver, gate driver, and VCOM backplane.
A boost regulator with a 1.2MHz switching frequency and built-in power MOSFETs can generate up to 14V output voltage from 2.4V to 5.5V input with efficiencies above 85%. The second boost regulator produces a GON voltage. The LDO provides 300mA load current and high precision output voltage. The integrated op amp is used to drive the VCOM backplane with 150mA short-circuit current and 45V/μs slew rate. The level-shifting scan driver has a range of -22 to +38V and is capable of quickly driving capacitive loads. The MAX17106 includes an I2C-controlled VCOM calibrator that provides 7-bit set accuracy. The device also integrates an 18Kb EEPROM for setting and controlling the VCOM voltage.
The MAX17106 is available in a 7&TImes; 7mm, 56-pin TQFN package and operates over the -40 to +85°C extended temperature range.
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