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ACTUAL SIZE

(3,05mm x 4,98mm)

1

2

3

4

5

10

9

8

7

6

EN

COMP

FB

GND

VOUT

LBO

LBI

ADEN

SW

VBAT

(TOP VIEW)

40

50

60

70

80

90

100

0.1

1

10

100

1000

EFFICIENCY

vs

OUTPUT CURRENT

VBAT = 2.4 V,

TPS61010, TPS61011

TPS61012, TPS61013

TPS61014, TPS61015, TPS61016

SLVS314C – SEPTEMBER 2000 – REVISED OCTOBER 2003

HIGH-EFFICIENCY, 1-CELL AND 2-CELL BOOST CONVERTERS

An autodischarge function allows discharging the out-

FEATURES

put capacitor during shutdown mode. This is especially

•

Integrated Synchronous Rectifier for Highest

useful when a microcontroller or memory is supplied,

Power Conversion Efficiency (>95%)

where residual voltage across the output capacitor can

•

Start-Up Into Full Load With Supply Voltages

cause malfunction of the applications. When program-

as Low as 0.9 V, Operating Down to 0.8 V

ming the ADEN-pin, the autodischarge function can be

•

200-mA Output Current From 0.9-V Supply

disabled. A low-EMI mode is implemented to reduce

interference and radiated electromagnetic energy

•

Powersave-Mode for Improved Efficiency at

when the converter enters the discontinuous conduc-

Low Output Currents

tion mode. The device is packaged in the micro-small

•

Autodischarge Allows to Discharge Output

space saving 10-pin MSOP package.

Capacitor During Shutdown

•

Device Quiescent Current Less Than 50 µA

•

Ease-of-Use Through Isolation of Load From

Battery During Shutdown of Converter

•

Integrated Antiringing Switch Across Inductor

•

Integrated Low Battery Comparator

•

Micro-Small 10-Pin MSOP Package

•

Applications Include All Single- or Dual-Cell

Battery Operated Products Like Internet Audio

Players, Pager, Portable Medical Diagnostic

Equipment, Remote Control, Wireless

Headsets

•

EVM Available (TPS6101xEVM-157)

DESCRIPTION

The TPS6101x devices are boost converters intended

for systems that are typically operated from a single- or

dual-cell nickel-cadmium (NiCd), nickel-metal hydride

(NiMH), or alkaline battery. The converter output volt-

age can be adjusted from 1.5 V to a maximum of 3.3 V,

by an external resistor divider or, is fixed internally on

the chip. The devices provide an output current of 200

mA with a supply voltage of only 0.9 V. The converter

starts up into a full load with a supply voltage of only 0.9

V and stays in operation with supply voltages down to

0.8 V.

The converter is based on a fixed frequency, current

mode, pulse-width-modulation (PWM) controller that

goes automatically into power save mode at light load.

It uses a built-in synchronous rectifier, so, no external

Schottky diode is required and the system efficiency is

improved. The current through the switch is limited to a

maximum value of 1300 mA. The converter can be

disabled to minimize battery drain. During shutdown,

the load is completely isolated from the battery.

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.

PRODUCTION DATA information is current as of publication date.

Copyright © 2000 – 2003, Texas Instruments Incorporated

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily in-

clude testing of all parameters.