Texas Instruments TPS22908EVM-025 Evaluation Module TPS22908EVM-025 TPS22908EVM-025 Datenbogen
Produktcode
TPS22908EVM-025
Introduction
1
Introduction
The TPS22907/08EVM-025 evaluation module (EVM) allows the user to connect power to and control the
Ultra Small CSP-4 package load switch. Parameters such as On State resistance, Slew Rate and
Discharge properties can be easily evaluated.
Ultra Small CSP-4 package load switch. Parameters such as On State resistance, Slew Rate and
Discharge properties can be easily evaluated.
Table 1. TPS22907 / TPS22908 VOUT Rise Time, Enable, and Output Discharge Options
Rise Time (µs)
Enable
Quick Output
EVM
Device
VIN (V)
Typical
(ON Pin)
Discharge
HVL025-001
TPS22907
25
1.1 V – 3.6 V
Active High
No
HVL025-002
TPS22908
100
1.0 V – 3.6 V
Active High
Yes
2
Description
The TPS22907/08EVM-025 contains a P-channel MOSFET switch that operates over an input voltage
range discussed in Table 1. The switch is controlled by an on/off input (ON), which is capable of
interfacing directly with low voltage control signals.
range discussed in Table 1. The switch is controlled by an on/off input (ON), which is capable of
interfacing directly with low voltage control signals.
2.1
Typical Applications
•
Battery Powered Equipment
•
Portable Industrial Equipment
•
Portable Medical Equipment
•
Portable Media Players
•
Smart phones / Tablets
•
Digital Cameras
•
GPS Devices
2.2
Features
•
Ultra Low On State Resistance
•
1A Maximum Continuous Switch Current
•
Controlled Slew Rate to Avoid Inrush Currents
3
Electrical Performance
Refer to the TPS22907 and TPS22908 Datasheets for the electrical performance limits of each device
type.
type.
4
Operation
4.1
Equipment
Voltage Sources:
•
DC supply will be used.
–
DC Supply capable of 5V, 3A.
Multimeters:
•
Multi Meter for measuring switch voltage drop and VOUT voltage.
Output Load:
•
Variable load connected to VOUT, observe power rating,
Oscilloscope:
•
2 channel 100MHz
Recommended Wire Gauge: 18 AWG
2
Using the TPS22907-08EVM-025 Single Channel Load Switch IC
SLVU765 – October 2012
Copyright © 2012, Texas Instruments Incorporated