Inicio Gestión de la energía AC/DC & DC/DC converters (integrated FET)
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Gestión de la energía
AC/DC & DC/DC converters (integrated FET)

TPS61282D

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Convertidor elevador síncrono de 2.3 MHz y 4 A, con modo de paso

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TPS61282D

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Detalles del producto

Vin (min) (V) 2.3 Vin (max) (V) 4.85 Topology Boost Type Converter Switching frequency (min) (kHz) 2300 Switching frequency (max) (kHz) 2300 Features Bypass Mode Pass-through Mode, Load Disconnect, Synchronous Rectification Vout (min) (V) 3.15 Vout (max) (V) 4.4 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000015
Vin (min) (V) 2.3 Vin (max) (V) 4.85 Topology Boost Type Converter Switching frequency (min) (kHz) 2300 Switching frequency (max) (kHz) 2300 Features Bypass Mode Pass-through Mode, Load Disconnect, Synchronous Rectification Vout (min) (V) 3.15 Vout (max) (V) 4.4 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000015
DSBGA (YFF) 16 3.24 mm² 1.8 x 1.8
  • 95% efficiency at 2.3 MHz operation
  • 3-µA quiescent current in low I Q pass-through mode
  • Wide V IN range from 2.3 V To 4.8 V
  • I OUT ≥ 4-A (Peak) at V OUT = 3.35 V, V IN ≥ 2.65 V
  • Integrated pass-through mode (35 mΩ)
  • Programmable valley inductor current limit and output voltage
  • True pass-through mode during shutdown
  • Best-in-class line and load transient
  • Low-ripple light-load PFM mode
  • In-Situ customization with On-Chip E 2PROM (write protection)
  • Two interface options:
    • I 2C compatible I/F up to 3.4 Mbps (TPS61280D/E)
    • Simple I/O logic control interface
  • Thermal shutdown and overload protection
  • Total solution size < 20 mm 2, sub 1-mm profile
  • 95% efficiency at 2.3 MHz operation
  • 3-µA quiescent current in low I Q pass-through mode
  • Wide V IN range from 2.3 V To 4.8 V
  • I OUT ≥ 4-A (Peak) at V OUT = 3.35 V, V IN ≥ 2.65 V
  • Integrated pass-through mode (35 mΩ)
  • Programmable valley inductor current limit and output voltage
  • True pass-through mode during shutdown
  • Best-in-class line and load transient
  • Low-ripple light-load PFM mode
  • In-Situ customization with On-Chip E 2PROM (write protection)
  • Two interface options:
    • I 2C compatible I/F up to 3.4 Mbps (TPS61280D/E)
    • Simple I/O logic control interface
  • Thermal shutdown and overload protection
  • Total solution size < 20 mm 2, sub 1-mm profile

The TPS6128xD/E device provides a power supply solution for products powered by either by a Li-Ion, Nickel-Rich, Silicon Anode, Li-Ion or LiFePO4 battery. The voltage range is optimized for single-cell portable applications like in smart-phones or tablet PCs.

Used as a high-power pre-regulator, the TPS6128xD/E extends the battery run-time and overcomes input current- and voltage limitations of the powered system.

While in shutdown, the TPS6128xD/E operates in a true pass-through mode with only 3-µA quiescent consumption for longest battery shelf life.

During operation, when the battery is at a good state-of-charge, a low-ohmic, high-efficient integrated pass-through path connects the battery to the powered system.

If the battery gets to a lower state of charge and its voltage becomes lower than the desired minimum system voltage, the device seamlessly transits into boost mode to uses the full battery capacity.

The TPS6128xD/E device provides a power supply solution for products powered by either by a Li-Ion, Nickel-Rich, Silicon Anode, Li-Ion or LiFePO4 battery. The voltage range is optimized for single-cell portable applications like in smart-phones or tablet PCs.

Used as a high-power pre-regulator, the TPS6128xD/E extends the battery run-time and overcomes input current- and voltage limitations of the powered system.

While in shutdown, the TPS6128xD/E operates in a true pass-through mode with only 3-µA quiescent consumption for longest battery shelf life.

During operation, when the battery is at a good state-of-charge, a low-ohmic, high-efficient integrated pass-through path connects the battery to the powered system.

If the battery gets to a lower state of charge and its voltage becomes lower than the desired minimum system voltage, the device seamlessly transits into boost mode to uses the full battery capacity.
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Documentación técnica

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* Data sheet TPS6128xD/E Low-IQ, Wide-Voltage Battery Front-End DC/DC Converter for Single-Cell Li-Ion, Ni-Rich, Si-Anode Applications datasheet (Rev. B) PDF | HTML 17 may 2019

Diseño y desarrollo

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Placa de evaluación

TPS61282EVM-586 — Módulo de evaluación TPS61282EVM-586 de convertidor elevador con modo de paso

The TPS61282EVM-586 enables test and evaluation of the Texas Instruments’ TPS61282 device, a 2.3MHz step-up dc-dc with integrated Pass-Through Mode. The TPS61282 device provides a power supply solution for products powered by either by a Li-Ion, Nickel-Rich, Silicon Anode, Li-Ion or LiFePO4 (...)

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DSBGA (YFF) 16 Ver opciones
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Pedidos y calidad

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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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  • Lugar de fabricación
  • Lugar de ensamblaje

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