LP3971 - 面向高级应用处理器的电源管理 IC (PMIC)

LP3971是TI德州仪器公司的一款无产品，LP3971是面向高级应用处理器的电源管理 IC (PMIC)，本站介绍了LP3971的封装应用图解、特点和优点、功能等，并给出了与LP3971相关的TI元器件型号供参考。

LP3971 - 面向高级应用处理器的电源管理 IC (PMIC) - 无 - 电源管理多通道IC(PMIC)解决方案 - 德州仪器

产品描述

The LP3971 is a multi-function, programmable Power Management Unit, designed especially for advanced application processors. The LP3971 is optimized for low power handheld applications and provides 6 low dropout, low noise linear regulators, three DC/DC magnetic buck regulators, a back-up battery charger and two GPIO’s. A high speed serial interface is included to program individual regulator output voltages as well as on/off control.

产品特性

Compatible with Advanced Applications Processors Requiring DVM (Dynamic Voltage Management)
Three Buck Regulators for Powering High Current Processor Functions or I/O's
6 LDO's for Powering RTC, Peripherals, and I/O's
Backup Battery Charger with Automatic Switch for Lithium-Manganese Coin Cell Batteries and Super Capacitors
I2C Compatible High Speed Serial Interface
Software Control of Regulator Functions and Settings
Precision Internal Reference
Thermal Overload Protection
Current Overload Protection
Tiny 40-pin 5x5 mm WQFN Package

Key Specifications

Buck Regulators
- Programmable VOUT from 0.725 to 3.3V
- Up to 95% Efficiency
- Up to 1.6A Output Current
- ±3% Output Voltage Accuracy
LDO’s
- Programmable VOUT of 1.0V–3.3V
- ±3% output voltage accuracy
- 150/300/370 mA output currentsLDO RTC 30 mALDO 1 300 mALDO 2 150 mALDO 3 150 mALDO 4 150 mALDO 5 370 mA
- 100 mV (typ) dropout

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