TPS51622A - 用于 VR12.6 Vcpu 的 2 相 D-CAP+? 降压控制器

TPS51622A是TI德州仪器公司的一款V内核稳压器产品，TPS51622A是用于 VR12.6 Vcpu 的 2 相 D-CAP+? 降压控制器，本站介绍了TPS51622A的封装应用图解、特点和优点、功能等，并给出了与TPS51622A相关的TI元器件型号供参考。

TPS51622A - 用于 VR12.6 Vcpu 的 2 相 D-CAP+? 降压控制器 - V内核稳压器 - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS51622A is a driverless, fully SVID compliant, VR12.6 step-down controller. Advanced control features such as D-CAP+ architecture with overlapping pulse support undershoot reduction (USR) and overshoot reduction (OSR) provide fast transient response, lowest output capacitance and high efficiency. The TPS51622A also supports single-phase operation in CCM or DCM for light-load efficiency. The TPS51622A integrates the full complement of VR12.6 I/O features including VR_READY (PGOOD), ALERT and VR_HOT. The SVID interface address allows programming from 0 to 7. In PS4, the quiescent power consumption of controller is typical 0.25 mW. Adjustable control of VCPU slew rate and voltage positioning round out the VR12.6 features. Paired with the new TPS51604 FET gate driver, the solution delivers exceptionally high speed and low switching loss. The TPS51622A works with selected TI Power Stage™ products for optimum efficiency as well as DrMOS products.

The TPS51622A package is a space saving, thermally enhanced 32-pin QFN that operates from –40°C to 105°C.

产品特性

1- or 2-Phase Operation
Full VR12.6 Mobile Feature Set Including Digital Current Monitor, PS3 and PS4 Operation
8-Bit DAC with 0.50-V to 2.30-V Output Range
Optimized Efficiency at Light and Heavy Loads
8 Independent Levels of Overshoot Reduction (OSR) and Undershoot Reduction (USR)
Driverless Configuration for Efficient High-Frequency Switching
Supports Discrete, Power Block, PowerStage or DrMOS MOSFET Implementations
Accurate, Adjustable Voltage Positioning
300-kHz to 1-MHz Frequency Selections
Patented AutoBalance Phase Balancing
Selectable 8-level Current Limit
4.5-V to 28-V Conversion Voltage Range
Small, 4 × 4, 32-Pin, QFN PowerPad Package

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