TPS76750QPWPREP Equivalent & Substitute Parts

Part Overview

The TPS76750QPWPREP is a linear voltage regulator IC from Texas Instruments, classified as a Power Management (PMIC) component. It delivers a fixed 5V output at 1A maximum current in a 20-HTSSOP surface mount package. The device features integrated protection against overcurrent, overtemperature, and reverse polarity conditions, with control functions including enable and reset capabilities.

This part is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this regulator topology.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	5V
Output Current	1A
Input Voltage (Max)	10V
Dropout Voltage (Max)	0.38V @ 1A
Quiescent Current	125 µA
PSRR	60dB (1kHz)
Operating Temperature Range	-40°C ~ 125°C
Package Type	20-PowerTSSOP (0.173", 4.40mm Width)
Protection Features	Over Current, Over Temperature, Reverse Polarity
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the TPS76750QPWPREP are qualified based on matching the following critical electrical and mechanical parameters:

Fixed output voltage of 5V
Output current capability of 1A
Maximum input voltage of 10V
Dropout voltage of 0.38V @ 1A
Quiescent current of 125 µA
PSRR of 60dB (1kHz)
Operating temperature range of -40°C ~ 125°C
20-PowerTSSOP package configuration
Surface mount mounting type
ROHS3 compliance

Substitutes are grouped by product status and control feature variations. All candidates maintain electrical equivalence across the specified parameters while differing in availability status, packaging format, and control feature implementation.

Parameter Comparison

Parameter	TPS76750QPWPREP (Main)	TPS76850QPWPR	TPS76750QPWPR	TPS76750QPWPRQ1
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Active
Output Voltage	5V	5V	5V	5V
Output Current	1A	1A	1A	1A
Input Voltage (Max)	10V	10V	10V	10V
Dropout Voltage (Max)	0.38V @ 1A	0.38V @ 1A	0.38V @ 1A	0.38V @ 1A
Quiescent Current	125 µA	125 µA	125 µA	125 µA
PSRR	60dB (1kHz)	60dB (1kHz)	60dB (1kHz)	60dB (1kHz)
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	20-PowerTSSOP (0.173", 4.40mm Width)	20-PowerTSSOP (0.173", 4.40mm Width)	20-PowerTSSOP (0.173", 4.40mm Width)	20-PowerTSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Control Features	Enable, Reset	Enable, Power Good	Enable, Reset	Enable, Reset
Protection Features	Over Current, Over Temperature, Reverse Polarity	Over Current, Over Temperature, Reverse Polarity	Over Current, Over Temperature, Reverse Polarity	Over Current, Over Temperature, Reverse Polarity
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Bulk	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Grade	Commercial	Commercial	Commercial	Automotive
Qualification	—	—	—	AEC-Q100
MSL Rating	2 (1 Year)	2 (1 Year)	2 (1 Year)	3 (168 Hours)

Engineering Selection Recommendations

TPS76850QPWPR is an active product offering direct electrical equivalence to the obsolete TPS76750QPWPREP. The primary distinction is the control feature set: this variant implements Power Good output instead of Reset functionality. Selection of this part is appropriate when Power Good status monitoring is required in the application. The part is supplied in Tape & Reel packaging format.

TPS76750QPWPR is the manufacturer-recommended direct replacement for the TPS76750QPWPREP. It maintains identical electrical specifications and control features (Enable and Reset). This part is actively produced and available in Tape & Reel packaging. This is the preferred selection when control feature compatibility with the original design is required.

TPS76750QPWPRQ1 is an automotive-grade variant qualified to AEC-Q100 standards. It maintains all electrical parameters and control features of the commercial-grade TPS76750QPWPR but is specified for automotive applications. Selection of this part is necessary only when automotive qualification and AEC-Q100 compliance are design requirements. The MSL rating differs due to automotive qualification requirements.

Frequently Asked Questions (FAQ)

Q: Can TPS76850QPWPR be used as a direct replacement for TPS76750QPWPREP?

A: TPS76850QPWPR is electrically equivalent across all specified parameters. However, it implements Power Good output instead of Reset functionality. Direct substitution is possible only if the application does not depend on Reset control or if Power Good output can be integrated into the design.

Q: What is the difference between TPS76750QPWPR and TPS76750QPWPRQ1?

A: Both parts are electrically identical with matching control features (Enable and Reset). TPS76750QPWPRQ1 is automotive-grade and carries AEC-Q100 qualification. Selection between them depends on whether automotive qualification is a design requirement.

Q: Are all substitute parts available in the same package?

A: Yes. All substitute parts use the 20-PowerTSSOP package (0.173", 4.40mm Width). The primary packaging difference is format: the original TPS76750QPWPREP is supplied in bulk, while all active substitutes are supplied in Tape & Reel (TR) format.

Q: Can I use TPS76750QPWPRQ1 in a non-automotive application?

A: Yes. TPS76750QPWPRQ1 meets all electrical and mechanical specifications for commercial applications. Automotive qualification does not restrict use in non-automotive designs; it only certifies suitability for automotive environments.

Q: What is the inventory status of these parts?

A: TPS76750QPWPREP (688 Pcs), TPS76850QPWPR (3188 Pcs), TPS76750QPWPR (5096 Pcs), and TPS76750QPWPRQ1 (3179 Pcs) are all listed as new original stock.

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