Datasheet

FB
LBO
GND
VBAT
SW
VOUT
LBI
PS
EN
PGND
DRC PACKAGE
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TPS61025-Q1
TPS61027-Q1
TPS61029-Q1
SLVSA31 –NOVEMBER 2009 www.ti.com
PIN ASSIGNMENTS
Terminal Functions
TERMINAL
I/O DESCRIPTION
NAME NO.
EN 1 I Enable input (1/VBAT enabled, 0/GND disabled)
FB 3 I Voltage feedback of adjustable versions
GND 5 Control / logic ground
LBI 7 I Low battery comparator input (comparator enabled with EN), may not be left floating, should be connected to
GND or VBAT if comparator is not used
LBO 4 O Low battery comparator output (open drain)
PS 8 I Enable/disable power save mode (1/VBAT disabled, 0/GND enabled)
SW 9 I Boost and rectifying switch input
PGND 10 Power ground
VBAT 6 I Supply voltage
VOUT 2 O Boost converter output
PowerPAD™ Must be soldered to achieve appropriate power dissipation. Should be connected to PGND.
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Product Folder Link(s) :TPS61029-Q1