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TPS65052-Q1 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza TPS65052-Q1
Descripción Electrónicos  6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS AND 4 LOW-INPUT-VOLTAGE LDOs
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Fabricante Electrónico  TI1 [Texas Instruments]
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TPS65052-Q1 Datasheet(HTML) 1 Page - Texas Instruments

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TPS65050-Q1, TPS65051-Q1, TPS65052-Q1
TPS65054-Q1, TPS65056-Q1
www.ti.com
SLVSBJ1A – SEPTEMBER 2012 – REVISED NOVEMBER 2012
6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS
AND 4 LOW-INPUT-VOLTAGE LDOs
, TPS65051-Q1
1
FEATURES
Two General-Purpose 200-mA, High-PSRR
LDOs
2
Qualified for Automotive Applications
VI Range for LDOs from 1.5 V to 6.5 V
AEC-Q100 Qualified With the Following
Digital Voltage Selection for the LDOs
Results:
Available in a 4-mm × 4-mm 32-Pin QFN
Device Temperature Grade 1: –40°C to
Package
125°C Ambient Operating Temperature
Range
APPLICATIONS
Device HBM ESD Classification Level H2
Automotive
Device CDM ESD Classification Level C3B
Up To 95% Efficiency
DESCRIPTION
Output Current for DC-DC Converters:
The TPS6505x-Q1 devices are integrated power-
TPS65050-Q1: 2 × 0.6 A
management ICs for applications powered by one Li-
Ion or Li-Polymer cell, which require multiple power
TPS65051-Q1: DCDC1 = 1 A; DCDC2 = 0.6 A
rails. The TPS6505x-Q1 provides two efficient, 2.25-
TPS65052-Q1: DCDC1 = 1 A; DCDC2 = 0.6 A
MHz step-down converters targeted at providing the
TPS65054-Q1: 2 × 0.6 A
core voltage and I/O voltage in a processor-based
system. Both step-down converters enter a low-power
TPS65056-Q1: DCDC1 = 1 A; DCDC2 = 0.6 A
mode at light load for maximum efficiency across the
Output Voltages for DC-DC Converters:
widest possible range of load currents.
TPS65050-Q1: Externally Adjustable
For low-noise applications, the user can force the
TPS65051-Q1: Externally Adjustable
devices into fixed-frequency PWM mode by pulling
TPS65052-Q1: DCDC1 = Fixed at 3.3 V;
the MODE pin high. Operating in the shutdown mode
DCDC2 = 1 V or 1.3 V for Samsung
reduces the current consumption to less than 1
μA.
The devices allow the use of small inductors and
Application Processors
capacitors to achieve a small solution size. The
TPS65054-Q1: DCDC1 = Externally
TPS6505x-Q1 provides an output current of up to 1 A
Adjustable; DCDC2 = 1.3 V or 1.05 V for
on each dc-dc converter. The TPS6505x-Q1 also
OMAP™1710 Processor
integrates two 400-mA LDO and two 200-mA LDO
TPS65056-Q1: DCDC1 = Fixed at 3.3 V;
voltage regulators, which one can turn on or off using
DCDC2 = 1 V or 1.3 V for Samsung
separate enable pins on each LDO. Each LDO
Application Processors
operates with an input voltage range between 1.5 V
and 6.5 V, allowing their supply to be from one of the
VI Range for DC-DC Converters
step-down converters or directly from the main
From 2.5 V to 6 V
battery.
2.25-MHz Fixed-Frequency Operation
Four digital input pins set the output voltage of the
Power-Save Mode at Light Load Current
LDOs from a set of 16 different combinations for
180° Out-of-Phase Operation
LDO1 to LDO4 on TPS65050-Q1 and TPS65052-Q1.
In TPS65051-Q1, TPS65054-Q1, and TPS65056-Q1,
Output-Voltage Accuracy in PWM Mode ±1%
the LDO voltages are adjustable using external
Low-Ripple PFM Mode
resistor dividers.
Total Typical 32-
μA Quiescent Current for Both
The TPS6505x-Q1 devices come in a small 32-pin
DC-DC Converters
leadless package (4-mm × 4-mm QFN) with a 0.4-
100% Duty Cycle for Lowest Dropout
mm pitch.
Two General-Purpose 400-mA, High-PSRR
LDOs
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
OMAP is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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