TPS51727 - 用于 50A+ 应用的双相 D-CAP+? 模式降压电源管理 IC

TPS51727是TI德州仪器公司的一款DC/DC多相产品，TPS51727是用于 50A+ 应用的双相 D-CAP+? 模式降压电源管理 IC，本站介绍了TPS51727的封装应用图解、特点和优点、功能等，并给出了与TPS51727相关的TI元器件型号供参考。

TPS51727 - 用于 50A+ 应用的双相 D-CAP+? 模式降压电源管理 IC - DC/DC多相 - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS51727 is a complete, step down controller with integrated gate drivers. The PCNT pin enables operation in dual or single-phase mode to optimize efficiency depending on the load requirements. The advanced D-CAP+ architecture provides fast transient response with minimum output capacitance. The DAC supports VID-on-the-fly transitions to optimize the output voltage to the operating state of the system to meet idle power requirements. The auto-skip feature of the TPS51727 optimizes light-load efficiency in both single and dual phase operation. System management features include an adjustable thermal sensor, output power monitoring and sleep state controls. Adjustable control of VOUT slew rate and voltage positioning are provided. In addition, the TPS51727 includes two high-current MOSFET gate drivers to drive high and low side N-channel MOSFETs with exceptionally high speed and low switching loss The PCNT and VID0 through VID4, pins have flexible LV I/O thresholds that enable interface with logic voltages from 1.0 V to 3.6 V. The TPS51727 is packaged in a space saving, thermally enhanced, RoHS compliant 40-pin QFN and is rated to operate from -10°C to 100°C.

产品特性

Seamless Phase Add/Drop Enables Maximum Efficiency Under Any Load Condition
Minimum External Parts Count
±8 mV VOUT Accuracy Over Line/Load/Temp.
5-Bit DAC with 0.4-V to 1.25-V Output Range Supports Wide Range of Applications
Optimized Efficiency at Light & Heavy Loads
Patent Pending Output Overshoot Reduction (OSR™)
Accurate, Adjustable Voltage Positioning
Selectable 200/300/400/500 kHz Frequency
Pat. pending AutoBalance Phase Balancing
Supports Resistor or Inductor DCR Current Sensing
Accurate, Selectable Current Limit
4.5-V to 28-V Conversion Voltage Range
Fast MOSFET Driver w/Integrated Boost Diode
Integrated OVP Can Be Disabled Thermal Sensor and Output Power Monitor
Small 6 × 6, 40-Pin QFN PowerPAD™ Package
APPLICATIONS
- High-Current, Low-Voltage Applications for Adapter, Battery, NVDC or 5-V/12-V Rails

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