Inicio Gestión de la energía Circuitos integrados multicanal (PMIC)
Inicio
Gestión de la energía
Circuitos integrados multicanal (PMIC)

LP3971

NO RECOMENDADO PARA NUEVOS DISEÑOS

IC de gestión de energía (PMIC) para procesadores de aplicaciones avanzadas

Haga su pedido ahora
Hoja de datos
LP3971 no se recomienda para nuevos diseños
Este producto sigue estando disponible para los clientes existentes. Los nuevos diseños deben considerar un producto alternativo.
open-in-new Comparar alternativas
Funcionalidad similar a la del dispositivo comparado
TPS65217 ACTIVO Administración de energía IC (PMIC) con 3 CC/CC, 4 LDO, cargador de batería lineal y controlador de PMIC for battery powered systems for Sitara™ AM335x processors.

LP3971

NO RECOMENDADO PARA NUEVOS DISEÑOS
Hoja de datos Haga su pedido ahora

Detalles del producto

Processor supplier Marvell Processor name PXA Vin (min) (V) 1.74 Vin (max) (V) 5.5 Vout (min) (V) 0.725 Vout (max) (V) 3.3 Iout (max) (A) 1.6 Configurability Factory programmable, Software configurable Features Comm control, Dynamic voltage scaling, Enable, Overcurrent protection, Power good, Synchronous rectification, Thermal shutdown Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (mA) 0.293 Switching frequency (max) (kHz) 2000 Shutdown current (ISD) (typ) (µA) 0.5 Product type Processor and FPGA
Processor supplier Marvell Processor name PXA Vin (min) (V) 1.74 Vin (max) (V) 5.5 Vout (min) (V) 0.725 Vout (max) (V) 3.3 Iout (max) (A) 1.6 Configurability Factory programmable, Software configurable Features Comm control, Dynamic voltage scaling, Enable, Overcurrent protection, Power good, Synchronous rectification, Thermal shutdown Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (mA) 0.293 Switching frequency (max) (kHz) 2000 Shutdown current (ISD) (typ) (µA) 0.5 Product type Processor and FPGA
WQFN (RSB) 40 25 mm² 5 x 5
  • 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

All trademarks are the property of their respective owners.

  • 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

All trademarks are the property of their respective owners.

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.

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.
filter Buscar otro/a Circuitos integrados multicanal (PMIC)
Descargar

Documentación técnica

star =Principal documentación para este producto seleccionada por TI
No se encontraron resultados. Borre su búsqueda y vuelva a intentarlo.
Ver todo 1
Tipo Título Fecha
* Data sheet LP3971 Power Management Unit for Advanced Application Processors datasheet (Rev. V) 03 may 2013

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje