LM10520 - Single-Phase Buck Controller for AVS Systems

LM10520是TI德州仪器公司的一款无产品，LM10520是Single-Phase Buck Controller for AVS Systems，本站介绍了LM10520的封装应用图解、特点和优点、功能等，并给出了与LM10520相关的TI元器件型号供参考。

LM10520 - Single-Phase Buck Controller for AVS Systems - 无 - 电源管理多通道IC(PMIC)解决方案 - 德州仪器

产品描述

The LM10520 is a single-phase Energy Management Unit (EMU) that actively reduces system-level power consumption by utilizing a continuous, real-time, closed-loop Adaptive Voltage Scaling (AVS) scheme. The AVS technology enables optimum energy management delivery to the load in order to maximize system-level energy savings.

The LM10520 operates cooperatively with PowerWise® AVS-compatible ASICs, SoCs, and processors to optimize supply voltages adaptively over process and temperature variations. The device is controlled via the high-speed serial PWI 2.0 open-standard interface. It also supports Dynamic Voltage Scaling (DVS) using frequency-voltage pairs from pre-characterized lookup tables.

The LM10520 features a fixed-frequency voltage-mode PWM control architecture which is adjustable from 50 kHz to 1MHz with one external resistor. In addition, the LM10520 allows the switching frequency to be synchronized to an external clock signal over the range of 250 kHz to 1MHz. This wide range of switching frequency gives the power supply designer the flexibility to make better tradeoffs between component size, cost and efficiency.

Features include the ability to startup with a pre-biased load on the output, soft-start, input under-voltage lockout (UVLO) and Power good (based on both under-voltage and over-voltage detection). In addition, the soft-start pin can be used for implementing precise tracking, for the purpose of sequencing with respect to an external rail.

Key Specifications

产品特性

Typical power savings with AVS: 20 to 50%

PWI 2.0 interface

7-bit AVS control for one output (typical range of 0.6V to 1.2V)

Precision enable

Integrated, non-overlapping NFET drivers

Switching frequency over 50 kHz to 1MHz

Switching frequency synchronize range from 250 kHz to 1MHz

Startup into pre-biased output

Power Stage input from 1V to 14V

Control stage input from 3V to 6V

Power Good flag and shutdown

Output over-voltage and under-voltage detection

Low-side adjustable current sensing

Adjustable soft start

Tracking and sequencing with shutdown and soft-start pins

eTSSOP-28 package

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