TPS2231PWPG4 Allicdata Electronics
Allicdata Part #:

TPS2231PWPG4-ND

Manufacturer Part#:

TPS2231PWPG4

Price: $ 1.69
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC PWR INTERFACE SW SNGL24HTSSOP
More Detail: N/A
DataSheet: TPS2231PWPG4 datasheetTPS2231PWPG4 Datasheet/PDF
Quantity: 1000
240 +: $ 1.53562
Stock 1000Can Ship Immediately
$ 1.69
Specifications
Voltage - Supply (Vcc/Vdd): Not Required
Base Part Number: TPS2231
Supplier Device Package: 24-HTSSOP
Package / Case: 24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature: -40°C ~ 85°C (TA)
Fault Protection: Current Limiting (Fixed), Over Temperature
Features: Power Good, Status Flag
Input Type: --
Rds On (Typ): 45 mOhm
Current - Output (Max): 1.3A
Series: --
Voltage - Load: 1.5V, 3.3V
Interface: --
Output Type: --
Output Configuration: High Side
Ratio - Input:Output: 1:1
Number of Outputs: 3
Switch Type: ExpressCard™ Switch
Part Status: Active
Packaging: Tube 
Description

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TPS2231PWPG4 Application Field and Working Principle

Power Management Integrated Circuit (PMIC) is a type of IC specially designed to control power to and from specific circuits in an electronics system. As part of PMIC, Power Distribution Switches, Load Drivers and Transient Suppressors are parts that can make a significant contribution in terms of efficiency and reliability of power supply systems on electronic system design.

TPS2231PWPG4 is an integrated power distribution switch, load driver, and transient suppressor from Texas Instruments. It was designed to offer an optimized solution for several industrial and commercial applications, such as small and medium size digital systems, LED backlight drivers, industrial motor drives, offline digital power tools and smart phones.

Based in a single monolithic substrate, the TPS2231PWPG4 contains an N-channel integrated power MOSFET, an output driver for an external MOSFET or IGBT/BJT transistor, as well as an input switch for a PWM control signal. It has an undervoltage lockout feature with a voltage between 13 and 28 VDC, and wide adjustable overcurrent protection range. The device also offers over-temperature protection, cycle by cycle current limit and output short-circuit protection.

On the other hand, the TPS2231PWPG4 is made to provide an efficient system design as it dissipation of only 1.2 W on 8 VDD while driving 500 mA at 20 V. Moreover, the device has a totally integrated protection features including anti-parallel relay and low capacitance MOSFET arrangements. The device also has adjustable thermal shutdown hysteresis, scalable fault reporting, and adjustable LED current limiting.

The working principle of a TPS2231PWPG4 includes a N-channel MOSFET for low side switching, an input driver for PWM control signal, output driver for an external MOSFET, and a PNP current limit for overcurrent protection. This device has a MOSFET gate drive voltage of 0.9 V and a typical rise time of 45 ns.

The MOSFET operates in saturation region while the device is switched on and it is linear while the device is off. The input driver has the ability to control the gate of MOSFT with a PWM signal with a typical delay of 30 nanoseconds. The output driver consists of an NPN current limit that limits the drive current of external MOSFET, while the PNP current limit monitors the output voltage and current of the external MOSFET.

Overall, the TPS2231PWPG4 is made to provide high efficiency, wide range of protection features, and require low EMI design for switch mode power supplies and low standby power solutions.

The specific data is subject to PDF, and the above content is for reference

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