LBO
VOUT
VOUT
EN
SYNC
LBI
NC
SW
SW
VOUT
FB
GND
PGND
VBA
T
PGND
PGND
TPS61090, TPS61091, TPS61092
www.ti.com
SLVS484C – JUNE 2003 – REVISED DECEMBER 2014
5 Device Comparison Table
T
A
OUTPUT VOLTAGE DC-DC
(1)
PACKAGE
PART NUMBER
(2)
Adjustable
16-pin VQFN 4 mm × 4 mm
TPS61090RSA
40°C to 85°C
3.3 V
16-pin VQFN 4 mm × 4 mm
TPS61091RSA
5 V
16-pin VQFN 4 mm × 4 mm
TPS61092RSA
(1)
Contact the factory to check availability of other fixed output voltage versions.
(2)
See
Mechanical, Packaging, and Orderable Information
for ordering information and tape and reel options.
6 Pin Configuration and Functions
RSA Package
10 Pins
Top View
Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
EN
11
I
Enable input. (1/VBAT enabled, 0/GND disabled)
FB
14
I
Voltage feedback of adjustable versions
GND
13
I/O
Control/logic ground
LBI
9
I
Low battery comparator input (comparator enabled with EN)
LBO
12
O
Low battery comparator output (open drain)
NC
2
Not connected
PGND
5, 6, 7
I/O
Power ground
PowerPAD™
—
—
Must be soldered to achieve appropriate power dissipation. Should be connected to PGND.
SYNC
10
I
Enable/disable power save mode (1: VBAT disabled, 0: GND enabled, clock signal for
synchronization)
SW
3, 4
I
Boost and rectifying switch input
VBAT
8
I
Supply voltage
VOUT
1, 15, 16
O
DC-DC output
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TPS61090 TPS61091 TPS61092
