Evaluation Kit for the MAX17088

Active: In Production.

The MAX17088 evaluation system (EV system) consists of the MAX17088 evaluation kit (EV kit) and the Maxim CMAXQUSB command module. Windows® 2000/XP®- and Windows Vista®-compatible software is also available for use with the EV system (MAX17088EVCMAXQU+) and can be downloaded from www.maxim-ic.com/evkitsoftware.

The MAX17088 EV kit (MAX17088EVKIT+) is a fully assembled and tested surface-mount PCB that provides the features required for active-matrix, thin-film transistor (TFT) liquid-crystal displays (LCDs). The EV kit contains a step-up switching regulator, positive two-stage charge pump, negative two-stage charge pump, digitally adjustable VCOM calibration device with nonvolatile memory, SMBus™-compatible interface, high-speed operational amplifier (op amp), and high-voltage, level-shifting scan driver for TFT-LCD applications.

The MAX17088 EV kit operates from a DC supply voltage from +1.8V to +6V. The step-up switching regulator is configured for a +8V output providing at least 300mA from a +2.2V input. The positive charge pump is configured for a +21V output providing at least 20mA. The negative charge pump is configured for a -13V output providing at least 20mA. The op amp is capable of providing up to ±150mA peak and features a programmable output voltage initially configured for +3.2V. The high-voltage level-shifting scan driver buffers inputs from STV, CPV, and OE pads and shifts them to a desired level to drive TFT-LCD row logic.

The MAX17088 EV kit demonstrates low quiescent current and high efficiency (> 85%) for maximum battery time per charge. Operation at 1.2MHz allows the use of tiny surface-mount components. The MAX17088 36-pin thin QFN package (0.8mm max height), with low-profile external components, allow this circuit to be less than 1.5mm high.

The Maxim CMAXQUSB command module provides the SMBus-compatible interface and is connected to a PC through the universal serial bus (USB) port. The MAX17088 EV kit software provides a graphical user interface (GUI) for exercising the MAX17088 features.

The MAX17088 is the successor to the MAX8798.

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