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Details for TPS2051BD by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
IC PWR DIST SWITCH SNGL 8-SOIC
TPS2051BD image

TPS2051BD by Texas Instruments

IC PWR DIST SWITCH SNGL 8-SOIC
Features
0.6-ms Typical Rise Time
500-mA Continuous Current
70-mu2126 High-Side MOSFET
Accurate Current Limit (0.75 A Minimum, 1.25 A Maximum)
Additional UL Recognition for TPS2042B and
Ambient Temperature Range: u201340u00b0C to 85u00b0C
Deglitched Fault Report (OC)
Maximum Standby Supply Current: 1-u03bcA (Single, Dual) or 2-u03bcA (Triple, Quad)
No OC Glitch During Power Up
Operating Range: 2.7 V to 5.5 V
Thermal and Short-Circuit Protection
UL Recognized, File Number E169910
Undervoltage Lockout
Part Information
TPS2051BD image
RoHS Compliant
Description
The TPS20xxB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporates 70-mΩ 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 powerdistribution switch is designed to set current limit at 1 A (typical).
Specifications
Power Load Switch Type:
High Side
Input Voltage:
5.5V, 5.5V
Current Limit:
1A
On State Resistance:
0.07ohm
Distribution Switch Case Style:
SOIC
No. of Pins:
8Pins
Thermal Protection:
Yes
On / Enable Input Polarity:
Active High
No. of Outputs:
1Outputs
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Base Number:
2051
Operating Temperature Range:
-40°C to +85°C
Output Current:
500mA
Output Voltage Max:
6V
Power Dissipation Pd:
585.82mW
Primary Input Voltage:
5.5V
Supply Voltage Min:
2.7V
Termination Type:
Surface Mount Device
Alternate Descriptions
USB Power SW Hi Side Single 2.7V 8P SOIC RS Components
IC, PWR DIST SWITCH SNGL 8-SOIC; Power Load Switch Type:High Side; Input Voltage:5.5V; Current Limit:1A; On State Resistance:0.07ohm; Distribution Switch Case Style:SOIC; No. of Pins:8Pins; Thermal Protection:Yes; On / Enable Input RoHS Compliant: Yes Newark Electronics
USB Power SW Hi Side/DIST Single 5.5V 0.75A to 1.25A 8-Pin SOIC Tube Avnet America
IC: power switch; high-side; 0.5A; Channels:2; N-Channel; SMD; SO8 Transfer Multisort Elektronik
USB Power SW Hi Side/DIST Single 5.5V 0.75A to 1.25A 8-Pin SOIC Tube Avnet Europe
Power Switch IC [Texas Instruments] TPS2051BD Power Switch IC Distrelec