900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf






etcTI

TPS2046B Datasheet Preview

TPS2046B Datasheet

POWER-DISTRIBUTION SWITCHES

No Preview Available !

www.ti.com
DBV-5 D-8
D-16
TPS2045B, TPS2055B
TPS2046B, TPS2047B
SLVS532C – JULY 2004 – REVISED OCTOBER 2007
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
FEATURES
1
70-mHigh-Side MOSFET
250-mA Continuous Current
Thermal and Short-Circuit Protection
Accurate Current Limit (0.3 A min, 0.7 A max)
Operating Range: 2.7 V to 5.5 V
0.6-ms Typical Rise Time
Undervoltage Lockout
Deglitched Fault Report (OC)
No OC Glitch During Power Up
Maximum Standby Supply Current:
1-μA (Single and Dual) or 2-μA (Triple)
Bidirectional Switch
Ambient Temperature Range: –40°C to 85°C
ESD Protection
UL Pending
APPLICATIONS
Heavy Capacitive Loads
Short-Circuit Protections
TPS2045B/TPS2055B
DBV PACKAGE
(TOP VIEW)
OUT
IN
GND
OC
EN
TPS2046B
D PACKAGE
(TOP VIEW)
GND
IN
EN1
EN2
OC1
OUT1
OUT2
OC2
TPS2045B/TPS2055B
D PACKAGE
(TOP VIEW)
GND
IN
IN
EN
OUT
OUT
OUT
OC
TPS2047B
D PACKAGE
(TOP VIEW)
GND
IN1
EN1
EN2
GND
IN2
EN3
NC
OC1
OUT1
OUT2
OC2
OC3
OUT3
NC
NC
NC - No Connection
All enable inputs are active high (EN) for the TPS2055B.
DESCRIPTION
The TPS204xB/TPS2055B power-distribution switches are intended for applications where heavy capacitive
loads and short circuits are likely to be encountered. These devices incorporate 70-mN-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 0.5 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.
UNLESS OTHERWISE NOTED this document contains
PRODUCTION DATA information 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.
Copyright © 2004–2007, Texas Instruments Incorporated




etcTI

TPS2046B Datasheet Preview

TPS2046B Datasheet

POWER-DISTRIBUTION SWITCHES

No Preview Available !

TPS2045B, TPS2055B
TPS2046B, TPS2047B
SLVS532C – JULY 2004 – REVISED OCTOBER 2007
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
AVAILABLE OPTIONS
TA ENABLE
Active low
–40°C to 85°C Active high
Active low
RECOMMENDED
MAXIMUM
CONTINUOUS
LOAD CURRENT
(A)
0.25
0.25
0.25
TYPICAL
SHORT-CIRCUIT
CURRENT LIMIT
AT 25°C
(A)
0.5
0.5
0.5
NUMBER
OF
SWITCHES
PACKAGED
(1)
Single
Single
Dual
Triple
SOIC (D)
SOT-23 (DBV)
SOIC (D)
SOT-23 (DBV)
SOIC (D)
SOIC (D)
(1) The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2046BDR)
DEVICES
TPS4045BD
TPS4045BDBV
TPS4055BD
TPS4055BDBV
TPS2046BD
TPS2047BD
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1)
VI(IN), VI(INx)
VO(OUTx)
VI(/ENx)
VI(/OCx)
IO(OUTx)
TJ
Tstg
ESD
Input voltage range(2)
Output voltage range (2)
Input voltage range
Voltage range
Continuous output current
Continuous total power dissipation
Operating virtual junction temperature range
Storage temperature range
Electrostatic discharge protection
Human body model MIL-STD-883C
Charge device model (CDM)
UNIT
–0.3 V to 6 V
–0.3 V to 6 V
–0.3 V to 6 V
–0.3 V to 6 V
Internally limited
See Dissipation Rating Table
–40°C to 125°C
–65°C to 150°C
2 kV
500 V
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are with respect to GND.
DISSIPATING RATING TABLE
PACKAGE
D-8
D-16
DBV-5
TA 25°C
POWER RATING
585.82 mW
898.47 mW
308.6419 mW
DERATING FACTOR
ABOVE TA = 25°C
5.8582 mW/°C
8.9847 mW/°C
3.086419 mW/°C
TA = 70°C
POWER RATING
322.2 mW
494.15 mW
169.753 mW
TA = 85°C
POWER RATING
234.32 mW
359.38 mW
123.4567 mW
2 Submit Documentation Feedback
Copyright © 2004–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS2045B TPS2055B TPS2046B TPS2047B


Part Number TPS2046B
Description POWER-DISTRIBUTION SWITCHES
Maker etcTI
Total Page 30 Pages
PDF Download

TPS2046B Datasheet PDF

View PDF for Mobile








Similar Datasheet

1 TPS2046 DUAL CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
etcTI
2 TPS2046A CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
etcTI
3 TPS2046B POWER-DISTRIBUTION SWITCHES
etcTI





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy