TPS22993 Datasheet, PDF (1/6 Pages) Texas Instruments – Quad Channel Load Switch with GPIO and I2C Control

TPS22993
www.ti.com
SLVSCA3 – NOVEMBER 2013
Quad Channel Load Switch with GPIO and I²C Control
Check for Samples: TPS22993
FEATURES
1
•2 Input Voltage: 1.0V to 3.6V
• Low ON-State Resistance (V_BIAS = 7.2V)
– R_ON = 15mΩ at V_IN = 3.3V
– R_ON = 15mΩ at V_IN = 1.8V
– R_ON = 15mΩ at V_IN = 1.5V
– R_ON = 15mΩ at V_IN = 1.05V
• VBIAS voltage range: 4.5V to 17.2V
– Suitable for 2S/3S/4S Li-ion Battery
Topologies
• 1.2A Max Continuous Current per Channel
• Quiescent Current
– Single Channel < 9µA
– All Four Channels < 17µA
• Shutdown Current (all four channels) < 6µA
• Four 1.2V Compatible GPIO Control Inputs
• I²C Configuration (per channel)
– On/Off Control
– Programmable Slew Rate Control (5
options)
– Programmable ON-delay (4 options)
– Programmable Output Discharge (4
options)
• I²C SwitchALL™ Command for Multi-
channel/Multi-chip Control
• QFN-20 package, 3mm x 3mm, 0.75mm height
APPLICATIONS
• Ultrabook™
• Ultrathin PC
• Notebook PC
• Tablets
• Servers
• All-In-One PC
DESCRIPTION
The TPS22993 is a multi-channel, low R_ON load
switch with user programmable features. The device
contains four N-channel MOSFETs that can operate
over an input voltage range of 1.0V to 3.6V. The
switch can be controlled by I²C making it ideal for
usage with processors that have limited GPIO
available. The rise time of the TPS22993 device is
internally controlled in order to avoid inrush current.
The TPS22993 has five programmable slew rate
options, four ON-delay options, and four quick output
discharge (QOD) resistance options.
The channels of the device can be controlled via
either GPIO or I²C. The default mode of operation is
GPIO control through the ONx pins. The I²C slave
address pins can be tied high or low to assign seven
unique device addresses.
The TPS22993 is available in a space-saving RLW
package (0.4mm pitch) and is characterized for
operation over the free-air temperature range of
–40°C to 85°C.
PMIC or
PMU
VIN1
ON1
VBIAS
(4.5V to 17.2V)
VOUT1
CL
RL
VIN2
ON2
VOUT2
CL
RL
VIN3
TPS22993
VOUT3
ON3
CL
RL
VIN4
ON4
SDA SCL
VOUT4
ADD1
ADD2
ADD3
CL
RL
VDD
µC
(1.62 to 3.6)
Figure 1. Typical Application
Feature List
R_ON TYPICAL AT 3.3 V (V_BIAS = 7.2V)
RISE TIME ⁽¹⁾
ON DELAY ⁽¹⁾
QUICK OUTPUT DISCHARGE ^{(1) (2)}
MAXIMUM OUTPUT CURRENT (per channel)
GPIO ENABLE
OPERATING TEMP
15 mΩ
Programmable
Programmable
Programmable
1.2 A
Active High
–40°C to 85°C
(1) See Application Information section.
(2) This feature discharges output of the switch to GND through an
internal resistor, preventing the output from floating. See Application
information section.
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.
SwitchALL is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2013, Texas Instruments Incorporated