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TPS2062QDGNRQ1 Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS2062QDGNRQ1
Description  CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2062QDGNRQ1 Datasheet(HTML) 1 Page - Texas Instruments

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TPS2062-Q1
DGN PACKAGE
(TOP VIEW)
GND
IN
OC1
OUT1
OUT2
OC2
1
2
3
4
8
7
6
5
EN1
EN2
All enable inputs are active high or low.
TPS2065-Q1
DGN PACKAGE
(TOP VIEW)
GND
IN
IN
OUT
OUT
OUT
OC
1
2
3
4
8
7
6
5
EN
EN or
TPS2062-Q1, TPS2065-Q1
www.ti.com
SLVSA01B – MAY 2011 – REVISED APRIL 2012
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
Check for Samples: TPS2062-Q1, TPS2065-Q1
1
FEATURES
2
Qualified for Automotive Applications
Bidirectional Switch
70-m
Ω High-Side MOSFET
Ambient Temperature Range: -40°C to 125°C
1-A Continuous Current
Built-in Soft-Start
Thermal and Short-Circuit Protection
UL Listed - File No. E169910
Accurate Current Limit
APPLICATIONS
(1.1 A min, 1.9 A max)
Heavy Capacitive Loads
Operating Range: 2.7 V to 5.5 V
Short-Circuit Protections
0.6-ms Typical Rise Time
Undervoltage Lockout
Deglitched Fault Report (OC)
No OC Glitch During Power Up
1-
μA Maximum Standby Supply Current
DESCRIPTION
The TPS2062/5-Q1 power-distribution switch is intended for applications where heavy capacitive loads and
short-circuits are likely to be encountered. This device incorporates 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 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 device 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 that the switch remains
off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1.5 A
typically.
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 © 2011–2012, 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.


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