ON

OFF

C

= 1

F

IN

µ

GND

GND

GND

V

OUT

LOAD

V

IN

V

BATT

R

L

C

L

C

L

SMPS

TPS22901/02/02B

(see Note A)

ON

GND

Turn-On Slew Rate

Controlled Driver

ESD Protection

Control

Logic

A2

B2

A1

B1

Output Discharge

(TPS22902, TPS22902B Only)

TPS22901, TPS22902, TPS22902B

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

TPS22901YFPR

_ _ _3P _

WCSP – YFP

–40°C to 85°C

Tape and reel

TPS22902YFPR

_ _ _3R _

(0.4 mm pitch)

TPS22902BYFPR

_ _ _3S _

(1)

Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

(2)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com.

TYPICAL APPLICATION

A.

Switched mode power supply

APPLICATION BLOCK DIAGRAM

Figure 1. Functional Block Diagram

FUNCTION TABLE

ON (Control Input)

(TPS22902,

TPS22902B only)

L

OFF

ON

H

ON

OFF

2

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Product Folder Link(s): TPS22901 TPS22902 TPS22902B