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TPS2042B, TPS2042BDG4, TPS2042BDGNG

Table of contents:
Info of TPS2042B
Info of TPS2042BDG4
Info of TPS2042BDGNG

TPS2042B, TPS2042BDG4, TPS2042BDGNG Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:06+ D/C:09+

TPS2042B, TPS2042BDG4, TPS2042BDGNG Datasheet download

Five Points

Part Number: TPS2042BDG4

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: 06+

D/C: 09+

Description: IC PWR DIST SWITCH DUAL 8-SOIC

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TPS2042B General Description

The TPS204xB/TPS205xB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporates 70-m 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 A typically.

TPS2042B Maximum Ratings

		UNIT
Input voltage range, V_I(IN), V_I(INx)⁽²⁾		0.3 V to 6 V
Output voltage range, V_O(OUT), V_O(OUTx)⁽²⁾		0.3 V to 6 V
Input voltage range, V_I(EN), V_I(ENx), V_I(EN), V_I(ENx)		0.3 V to 6 V
Voltage range, V_I(/OC), V_I(OCx)		0.3 V to 6 V
Continuous output current, I_O(OUT), I_O(OUTx)		Internally limited
Continuous total power dissipation		See Dissipation Rating Table
Operating virtual junction temperature range, T_J		40°C to 125°C
Storage temperature range, Ts_tg		65°C to 150°C
Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds		260°C
Electrostatic discharge (ESD) protection	Human body model MIL-STD-883C	2 kV
	Charge device model (CDM)	500 V

TPS2042B Features

` 70-mW High-Side MOSFET
` 500-mA Continuous Current
` Thermal and Short-Circuit Protection
` Accurate Current Limit(0.75 A min, 1.25 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-A (Single, Dual) or 2-A (Triple, Quad)
` Bidirectional Switch
` Ambient Temperature Range: -40°C to 85°C
` ESD Protection
` UL Recognized, File Number E169910

TPS2042B Typical Application

· Heavy Capacitive Loads
· Short-Circuit Protections

TPS2042B Connection Diagram

TPS2042BDG4 Parameters

Technical/Catalog Information	TPS2042BDG4
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Type	High Side Switch
Number of Outputs	2
Voltage - Input	2.7 ~ 5.5 V
Package / Case	8-SOIC (3.9mm Width)
Packaging	Tube
Current Limit	1A
Internal Switch(s)	Yes
Operating Temperature	-40°C ~ 85°C
Rds (On)	135 mOhm
Drawing Number	296; 4040047-2; D; 8
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TPS2042BDG4 TPS2042BDG4

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