Features for the TPS65170EVM-559
- 8.6V to 14.7V Input Voltage Range
- 2.8A Boost Converter Switch Current Limit
- Boost Converter Output Voltages up to 18.5V
- Boost and Buck Converter Short-Circuit Protection
- 1.5A Buck Converter Switch Current Limit
- Fixed 750kHz Switching Frequency for Buck and Boost Converters
- Fixed Buck Converter Soft-Start
- Programmable Boost Converter Soft-Start
- Two Charge Pump Controllers to Regulate VGH and VGL
- Control Signal for External High-Side MOSFET Isolation Switch
- Reset Signal With Programmable Reset Pulse Duration
- Thermal Shutdown
Description for the TPS65170EVM-559
The TPS65170EVM-559 is a fully assembled and tested circuit for evaluating the TPS65170 LCD Bias Supply. Supplied with an input voltage of 8V to 14.7V, the TPS65170EVM-559 generates an output voltage of 15.5V with a switch current limit of 2.8A minimum and an output voltage of 3.3V with a switch current limit of 1.5A. The TPS65170EVM-559 also controls two external charge pumps, which generate one positive and one negative voltage.