Active matrix OLED power supply technology based on TPS65137 design

This article describes the main features, block diagrams, and typical application circuits of the TPS65137. TI's TPS65137 is an active matrix OLED (AMOLED) power solution that includes a boost converter with an LDO as a post regulator with an input voltage from 2.3V to 5.5V for excellent line transient regulation. , output voltage accuracy of 1%, low noise, output current 200mA, fixed 4.6V positive output voltage, digitally programmable negative output voltage can be as low as -5.2V, with short circuit protection and thermal shutdown, mainly used in active matrix OLED ( AMOLED).

TPS65137 application:
Active Matrix OLED Power Supply


Figure 1 TPS65137 function box


Figure 2 TPS65137 typical application circuit diagram

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