TPS22968 Datasheet PDF


Part Number

TPS22968

Description

Ultra-Low Resistance Load Switch

Manufacture

etcTI

Total Page 30 Pages
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Download TPS22968 Datasheet PDF


Features Datasheet pdf Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity TPS22968, TPS22968N SLVSCG3F JANUARY 2014 – REVISED JULY 2017 TP S22968 Dual Channel, Ultra-Low Resistan ce Load Switch 1 Features •1 Integra ted Dual Channel Load Switch • Input Voltage Range: 0.8 V to 5.5 V • VBIAS Voltage Range: 2.5 V to 5.5 V – Idea l for 1S Battery Configuration • Ultr a-Low RON Resistance – RON = 27 mΩ at VIN = 5 V (VBIAS = 5 V) – RON = 25 mΩ at VIN = 3.3 V (VBIAS = 5 V) – RON = 25 mΩ at VIN = 1.8 V (VBIAS = 5 V) • 4-A Maximum Continuous Switch C urrent per Channel • Low Quiescent Cu rrent – 55 µA at VBIAS = 5 V (Both C hannels) – 55 µA at VBIAS = 5 V (Single Channel) • Low Control Input .
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TPS22968 Datasheet
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Documents
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Software
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TPS22968, TPS22968N
SLVSCG3F – JANUARY 2014 – REVISED JULY 2017
TPS22968 Dual Channel, Ultra-Low Resistance Load Switch
1 Features
1 Integrated Dual Channel Load Switch
• Input Voltage Range: 0.8 V to 5.5 V
• VBIAS Voltage Range: 2.5 V to 5.5 V
– Ideal for 1S Battery Configuration
• Ultra-Low RON Resistance
– RON = 27 mat VIN = 5 V (VBIAS = 5 V)
– RON = 25 mat VIN = 3.3 V (VBIAS = 5 V)
– RON = 25 mat VIN = 1.8 V (VBIAS = 5 V)
• 4-A Maximum Continuous Switch Current per
Channel
• Low Quiescent Current
– 55 µA at VBIAS = 5 V (Both Channels)
– 55 µA at VBIAS = 5 V (Single Channel)
• Low Control Input Threshold Enables Use of
1.2-,1.8-, 2.5-, 3.3-V Logic
• Configurable Rise Time(1)
• Quick Output Discharge (QOD)(2) (Optional)
• SON 14-Pin Package with Thermal Pad
• ESD Performance Tested per JEDEC Standard
– 2-kV HBM and 1-kV CDM
• Latch-Up Performance Exceeds 100 mA per
JESD 78, Class II
• GPIO Enable – Active High
• TPS22968N: Product Preview Only
(1) See the Application Information section for CT value vs. rise
time
(2) This feature discharges the output of the switch to GND
through a 270-Ω resistor, preventing the output from floating.
2 Applications
• Ultrabook™
• Notebooks and Netbooks
• Tablets
• Consumer Electronics
• Set-Top Boxes
• Telecom Systems
3 Description
The TPS22968x is a small, ultra-low RON, dual-
channel load switch with controlled turn on. The
device contains two N-channel MOSFETs that can
operate over an input voltage range of 0.8 to 5.5 V
and can support a maximum continuous current of
4 A per channel. Each switch is independently
controlled by an on and off input (ON1 and ON2),
which is capable of interfacing directly with low-
voltage control signals. In TPS22968, a 270-Ω on-
chip load resistor is added for output quick discharge
when switch is turned off.
The TPS22968x is available in a small, space-saving
package (DPU) with integrated thermal pad allowing
for high power dissipation. The device is
characterized for operation over the free-air
temperature range of –40 to +105°C.
Device Information (1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS22968
TPS22968N
WSON (14)
3.00 mm × 2.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Schematic
Dual Power
Supply
Or
Dual DC/DC
converter
CIN
CIN
ON
OFF
VIN1
ON1
VBIAS
VOUT1
CT1
CT2
CL RL
GND
ON
OFF
VOUT2
ON2
CL RL
TPS22968x GND
GND
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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