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TPS61280AYFFR Datasheet(PDF) 1 Page - Texas Instruments

Part # TPS61280AYFFR
Description  TPS6128xA Low-, Wide- Voltage Battery Front-End DC/DC Converter Single-Cell Li-Ion, Ni-Rich, Si-Anode Applications
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS61280AYFFR Datasheet(HTML) 1 Page - Texas Instruments

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C
1.5µF X5R 6.3V (0402)
I
C (x2)
10µF X5R 6.3V (0603)
O
VBAT’
L
0.47 H
TPS61280A
SW
SW
VIN
VIN
VSEL
BYP
SCL
SDA
PGND
PGND
PGND
EN
VOUT
VOUT
GPIO
AGND
Battery
2.5V .. 4.35V
Enable
1.8V
Interrupt
Forced Bypass / Auto
Voltage Select
I C Bus
2
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
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Community
TPS61280A, TPS61281A, TPS61282A
SLVSCG9A – MAY 2014 – REVISED SEPTEMBER 2014
TPS6128xA Low-, Wide- Voltage Battery Front-End DC/DC Converter
Single-Cell Li-Ion, Ni-Rich, Si-Anode Applications
1 Features
3 Description
The TPS6128xA device provides a power supply
1
95% Efficiency at 2.3MHz Operation
solution for products powered by either by a Li-Ion,
3µA Quiescent Current in Low IQ Pass-Through
Nickel-Rich, Silicon Anode, Li-Ion or LiFePO4 battery.
Mode
The voltage range is optimized for single-cell portable
Wide VIN Range From 2.3V to 4.8V
applications like in smart-phones or tablet PCs.
IOUT ≥ 4A (Peak) at VOUT = 3.35V, VIN ≥ 2.65V
Used as a high-power pre-regulator, the TPS6128xA
Integrated Pass-Through Mode (35m
Ω)
extends the battery run-time and overcomes input
current- and voltage limitations of the powered
Programmable Valley Inductor Current Limit and
system.
Output Voltage
While in shutdown, the TPS6128xA operates in a true
True Pass-Through Mode During Shutdown
pass-through
mode
with
only
3µA
quiescent
Best-in-Class Line and Load Transient
consumption for longest battery shelf life.
Low-Ripple Light-Load PFM Mode
During operation, when the battery is at a good state-
In-Situ Customization with On-Chip E2PROM
of-charge, a low-ohmic, high-efficient integrated pass-
(Write Protection)
through path connects the battery to the powered
Two Interface Options:
system.
I2C Compatible I/F up to 3.4Mbps
If the battery gets to a lower state of charge and its
(TPS61280A)
voltage becomes lower than the desired minimum
system voltage, the device seamlessly transits into
Simple I/O Logic Control Interface
boost mode to uses the full battery capacity.
(TPS6128xA)
Thermal Shutdown and Overload Protection
Device Information(1)
Total Solution Size < 20mm2, Sub 1-mm Profile
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS61280A
2 Applications
TPS61281A
DSBGA (16)
1.66 mm x 1.66 mm
Single-Cell Ni-Rich, Si-Anode, Li-Ion, LiFePO4
TPS61282A
Smart-Phones or Tablet PCs
(1) For all available packages, see the orderable addendum at
2.5G/3G/4G Mini-Module Data Cards
the end of the datasheet.
Current Limited Applications Featuring High Peak
Power Loads
4 Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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