Texas Instruments TPS61020, TPS61024 TPS61025, TPS61027, TPS61028 Data Sheet
Summary
This high-efficiency synchronous boost converter series provides stable, regulated power conversion for a wide range of low-power portable electronics. Capable of managing multiple battery types—including single-cell Li-Ion and alkaline chemistry—it guarantees performance even with extreme input voltage fluctuations. With high efficiency (up to 96%) and integrated protective features, the product is essential for engineers designing PDAs, medical devices, audio players, cellular phones, and portable cameras requiring reliable, compact energy management solutions.
Page 1 Text Content
TPS61020, TPS61024
(3,25 mm x 3,25 mm)
TPS61025, TPS61027, TPS61028
www.ti.com
SLVS451C–SEPTEMBER 2003–REVISED JUNE
96% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 1.5-A SWITCH
FEATURES DESCRIPTION
96% Efficient Synchronous Boost Converter
The TPS6102x devices provide power supply
200-m A Output Current From 0.9-V Input solution for products powered by either one-cell,–
two-cell, or three-cell alkaline, Ni Cd or Ni MH, or–
500-m A Output Current From 1.8-V Input
one-cell Li-Ion or Li-polymer battery. Output currents
Output Voltage Remains Regulated When
can go as high as m A while using single-cell
Input Voltage Exceeds Nominal Output
alkaline, and discharge it down to 0.9 V. It can also
Voltage be used for generating at m A from 3.3-V
rail or Li-Ion battery. The boost converter is based•
Device Quiescent Current: µA (Typ)
on fixed frequency, pulse-width-modulation (PWM)•
Input Voltage Range: 0.9 to 6.5
controller using synchronous rectifier to obtain
Fixed and Adjustable Output Voltage Options
maximum efficiency. At low load currents the con-
Up to 5.5 verter enters the Power Save mode to maintain
high efficiency over wide load current range. The•
Power Save Mode for Improved Efficiency at
Power Save mode can be disabled, forcing the Low
Output Power
converter to operate at fixed switching frequency.
Low Battery Comparator
The maximum peak current in the boost switch is
Low EMI-Converter (Integrated Antiringing limited to value of m A.
Switch)
The TPS6102x devices keep the output voltage
Load Disconnect During Shutdown
regulated even when the input voltage exceeds the
Over-Temperature Protection nominal output voltage. The output voltage can be•
programmed by an external resistor divider, or is•
Small mm mm QFN-10 Package
fixed internally on the chip. The converter can be
disabled to minimize battery drain. During shutdown,
APPLICATIONS
the load is completely disconnected from the battery.
All One-Cell, Two-Cell and Three-Cell Alkaline,
low-EMI mode is implemented to reduce ringing
Ni Cd or Ni MH or Single-Cell Li Battery
and, in effect, lower radiated electromagnetic energy
Powered Products
when the converter enters the discontinuous conduc-
Portable Audio Players tion mode. The device is packaged in 10-pin QFN
Power PAD™ package measuring mm mm•
(DRC).•
Cellular Phones
Personal Medical Products
Camera White LED Flash Light
SW VOUT
6.8 µH 3.3 V Up To
VBAT R3 2.2 µF 47 µF
C1 R1 EN
0.9-V To FB 6.5-V Input 10 µF
LBI R4 R5
LBO Low Battery
Output
GND PGND TPS61020
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.
Power PAD is trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Copyright 2003–2005, 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.
Page Summary Contents For Texas Instruments TPS61020, TPS61024 TPS61025, TPS61027, TPS61028 Data Sheet
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 26 |
| File Size | 953.27 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
What is the acceptable input voltage range for this converter?
The device operates efficiently with an input voltage range of 0.9 V to 6.5 V.
How does it maintain efficiency at low power usage?
It enters a Power Save mode, which can be controlled or disabled depending on the application needs.
What safety features protect against battery depletion during shutdown?
The device includes a Low Battery Comparator and ensures the output voltage remains regulated even upon shutdown.
How should I safely store or handle the component to avoid damage?
Because it has limited built-in ESD protection, leads must be shorted together or placed in conductive foam for storage.