TPS2090, TPS2091, TPS2092 DUAL,
TPS2095, TPS2096, TPS2097 QUAD
POWER-DISTRIBUTION SWITCHES
SLVS245A – SEPTEMBER 2000 – REVISED MARCH 2001
TPS2090, TPS2091, AND TPS2092
D PACKAGE
80-mΩ High-Side MOSFET Switch
250 mA Continuous Current per Channel
(TOP VIEW)
Independent Thermal and Short-Circuit
Protection With Overcurrent Logic Output
GND
IN1
OC
1
2
3
4
8
7
6
5
OUT1
OUT2
Operating Range . . . 2.7-V to 5.5-V
CMOS- and TTL-Compatible Enable Inputs
2.5-ms Typical Rise Time
IN2
†
†
EN1
EN2
†
See Available Options table
Undervoltage Lockout
10 µA Maximum Standby Supply Current
Bidirectional Switch
TPS2095, TPS2096 AND TPS2097
D PACKAGE
(TOP VIEW)
Available in 8-Pin and 16-Pin SOIC
Packages
GNDA
IN1
OCA
1
2
3
4
5
6
7
8
16
15
14
13
12
11
Ambient Temperature Range, 0°C to 85°C
OUT1
OUT2
ESD Protection
IN2
†
†
EN1
EN2
description
GNDB
IN3
OCB
OUT3
The TPS2090, TPS2091, and TPS2092 dual and
the TPS2095, TPS2096 and TPS2097 quad
power-distribution switches are intended for
applications where heavy capacitive loads and
short circuits are likely to be encountered. The
TPS209x devices incorporate 80-mΩ N-channel
IN4
10 OUT4
†
†
EN3
9
EN4
†
See Available Options table
MOSFET high-side power switches for power-distribution systems that require multiple power switches in a
single package. Each switch is controlled by an independent logic enable input. Gate drive is provided by an
internal charge pump designed to control the power-switch rise times 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.
When the output load exceeds the current-limit threshold or a short is present, the TPS209x limits the output
current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low.
When continuous heavy overloads and short circuits increase the power dissipation in the switch causing the
junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from
a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch
remains off until valid input voltage is present. The TPS209x devices are designed to current limit at 0.5-A load.
GENERAL SWITCH CATALOG
80 mW, dual
80 mW, quad
33 mW, single
80 mW, single
80 mW, dual
260 mW
TPS201xA 0.2 A – 2 A
TPS2042
TPS2052
TPS2046
TPS2056
500 mA
500 mA
250 mA
250 mA
80 mW, triple
80 mW, quad
TPS202x
TPS203x
0.2 A – 2 A
0.2 A – 2 A
TPS2080
500 mA
500 mA
500 mA
250 mA
250 mA
250 mA
TPS2014
TPS2015
TPS2041
TPS2051
TPS2045
TPS2055
600 mA
1 A
500 mA
500 mA
250 mA
250 mA
TPS2100/1
TPS2081
TPS2082
TPS2090
TPS2091
TPS2092
IN1 500 mA
IN2 10 mA
TPS2043 500 mA
TPS2053 500 mA
TPS2047 250 mA
TPS2057 250 mA
IN1
IN2
TPS2085
500 mA
500 mA
500 mA
250 mA
TPS2044 500 mA
TPS2054 500 mA
TPS2048 250 mA
TPS2058 250 mA
OUT
TPS2086
TPS2087
TPS2095
TPS2102/3/4/5
IN1 500 mA
IN2 100 mA
1.3 W
TPS2096 250 mA
TPS2097 250 mA
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.
Copyright 2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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