The TPS53667EVM-769 is a high-current, multi-phase, step-down controller.Thedevice offers built-in non volatile memory (NVM) and PMBus interface. It iscompatible with theNexFET power stages (CSD9549x). The TPS53667EVM-769 provides 8-bit BOOT voltage selection covering output voltage from 0.5 V to 2.5 V, with stepsas small as 5 mV,which is ideal for high current application with accurateoutput voltage setting. Advanced controlfeatures such as D-CAP+ architecturewith undershoot reduction (USR) and overshoot reduction (OSR)provide fasttransient response, lowest output capacitance, and high efficiency. The TPS53667EVM-769 also provides novel phase interleaving strategy and dynamic phase shedding for efficiency improvement at light loads. In addition, the TPS53667EVM-769 supports the PMBus communication interface with systems for telemetry ofvoltage, current, power,temperature, and fault conditions. Some of theconfigurations can be programmed by pinstrap orPMBus and stored innon-volatile memory to minimize the external component count.
The TPS53667EVM-769 is offered in a space saving, thermally enhanced 40-pinQFNpackage and is rated to operate from –40°C to 125°C.
For all available packages, see the orderable addendum at the
Feature
- 8-bit Selectable BOOT Voltage via Pinstrap or NVM: 0.5 V to 2.5 V (downto 5-mV Step)
- 1-, 2-, 3-, 4-, 5-, or 6- Phase Operation
- PMBus System Interface for Telemetry of Voltage, Current, Power,Temperature, and Fault Conditions
- 1.8-V and 3.3-V PMBus Bias Compatible
- Fault Reporting: Output Voltage, Output Current, and Temperature
- Configurable with Non-Volatile Memory (NVM) or Resistor Pinstrap
- 16 Levels of Programmable Per-Phase OCL with Pinstrap or NVM
- Fast Transient with DCAP+Control
- Optimized Efficiency at Light and Heavy Loads
- Support Pre-Bias Startup
- Phase Current Imbalance Detection and Reporting
- 8 Independent Levels of Overshoot Reduction (OSR) and Undershoot Reduction(USR)
- Driverless Configuration for Efficient High-Frequency Switching
- Compatible with CSD9549x NexFET Power Stages
- Accurate, Adjustable Voltage Positioning
- 300-kHz to 1-MHz Frequency Selections with Closed-loop FrequencyControl
- Patented AutoBalance Phase Balancing
- Uses TI’s Fusion Digital Power Designer GUI
- Dynamic Phase Shedding with Programmable Current Threshold
- Conversion Voltage Range: 4.5 V to 17 V
- Small, 6 mm × 6 mm, 40-Pin, QFN, PowerPAD Package
