TPS61282D

Name: TPS61282D
Brand: TI
SKU: TPS61282D
Price: 0.462 USD

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Synchroner Aufwärtswandler 2,3 MHz, 4 A, mit Durchgangsmodus

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Datenblatt

document-pdfAcrobat 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) (Englisch) PDF | HTML

TPS61282D

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Datenblatt

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Produktdetails

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)

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.

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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Technische Dokumentation

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	Typ	Titel		Datum
*	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 Mai 2019

Design und Entwicklung

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Evaluierungsplatine

TPS61282EVM-586 — TPS61282EVM-586 Aufwärtswandler mit Durchgangsmodus – Evaluierungsmodul

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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