1

FEATURES

APPLICATIONS

1

2

3

4

5

6

OUT2

OC1

OUT 1

EN1

GND

IN

TPS2062A/TPS2066A

DPACKAGE

(TOP VIEW)

7

8

EN2

OC2

5

6

TPS2062A/TPS2066A

DRBPACKAGE

(TOP VIEW)

7

8

PAD

1

2

3

4

EN1

GND

IN

EN2

OUT2

OC1

OUT1

OC2

Enableinputsareactivelowforall TPS2062A

andactivehighforall TPS2066A

DESCRIPTION

TPS2014600mA

TPS20151 A

TPS2041B500mA

TPS2051B500mA

TPS2045A

250mA

TPS2049100mA

TPS2055A

250mA

TPS20611 A

TPS20651 A

TPS20681.5 A

TPS20691.5 A

TPS201xA

0.2 A -2 A

TPS202x0.2 A -2 A

TPS203x0.2 A -2 A

TPS2062A

TPS2066A

TWO CHANNEL, CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES

• Heavy Capacitive Loads

2

• 70-mΩ High-Side MOSFET

• Short-Circuit Protection

• 1-A Continuous Current

• Thermal and Short-Circuit Protection

• Accurate Current-Limit

(1.2 A min, 2 A max)

• Operating Range: 2.7 V to 5.5 V

• 0.6-ms Typical Rise Time

• Undervoltage Lockout

• Deglitched Fault Report (OCx)

• No OCx Glitch During Power Up

• 1-µA Maximum Standby Supply Current

• Bidirectional Switch

• Ambient Temperature Range: –40°C to 85°C

• Built-in Soft-Start

The TPS206xA power-distribution switches are intended for applications where heavy capacitive loads and

short-circuits are likely to be encountered. The TPS206xA family is pin-for-pin compatible with the TPS206x

family with a tighter overcurrent tolerance. This family of devices incorporates two 70-m

Ω N-channel MOSFET

power switches for power-distribution systems that require multiple power switches in a single package. Each

switch is controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to

control the power-switch rise and fall times to minimize current surges during switching. The charge pump

requires no external components and allows operation from supplies as low as 2.7 V.

Each device limits the output current to a safe level by switching into a constant-current mode when the output

load exceeds the current-limit threshold or a short is present. Individual channels indicate the presence of an

overcurrent condition by asserting its corresponding OCx output (active low). Thermal protection circuitry

disables the device during overcurrent or short-circuit events to prevent permanent damage. The device recovers

from thermal shutdown automatically once the device has cooled sufficiently. The device provides undervoltage

lockout to disable the device until the input voltage rises above 2.0 V. The TPS206xA is designed to current limit

at 1.6 A typically per channel.

1

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.

2

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2008, 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.