TPS6734IPG4 Equivalent & Substitute Parts

Part Overview

The TPS6734IPG4 is a boost switching regulator IC manufactured by Texas Instruments, designed for positive fixed 12.12V output applications. This device functions as a step-up converter with a single output, delivering 150mA maximum output current from an input voltage range of 2.7V to 12V. The part is packaged in an 8-DIP (0.300", 7.62mm) through-hole configuration with a switching frequency of 170kHz and operates across the industrial temperature range of -40°C to 85°C.

The TPS6734IPG4 is currently discontinued at DiGi Electronics, necessitating identification of equivalent substitute components that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Substiute Parts

TPS6734IPG4

Texas InstrumentsIn Stock: 1124TPS6734IPG4 Datasheet

Current PartRFQ

TPS6734IP

Texas InstrumentsIn Stock: 3504TPS6734IP Datasheet

MFR RecommendedRFQ

MAX734CPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2076MAX734CPA+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TPS6734IPG4 is determined by strict alignment of the following critical parameters:

• Output voltage: 12.12V fixed output
• Output current capability: 150mA minimum
• Input voltage range: 2.7V to 12V
• Package type: 8-DIP (0.300", 7.62mm) through-hole
• Topology: Boost switching regulator
• Number of outputs: Single output configuration

Substitute parts must maintain identical or superior electrical specifications within these parameters and utilize the same physical package to ensure direct board-level compatibility without redesign.

Parameter Comparison

Engineering Selection Recommendations

TPS6734IP (Primary Substitute)

The TPS6734IP is the manufacturer-recommended substitute for the TPS6734IPG4. Both devices are manufactured by Texas Instruments and share identical electrical specifications: 12.12V fixed output, 150mA output current, 2.7V to 12V input range, 170kHz switching frequency, and -40°C to 85°C operating temperature. The devices are pin-compatible in the 8-DIP package. The TPS6734IP maintains active product status with 3400 units in stock, ensuring supply continuity. Both parts are ROHS3 compliant and REACH unaffected. The primary difference is packaging format (tube versus the original specification), which does not affect electrical or mechanical compatibility.

MAX734CPA+ (Secondary Substitute)

The MAX734CPA+ is manufactured by Analog Devices Inc./Maxim Integrated and provides functional equivalence in boost regulator topology with 8-DIP package compatibility. The device operates across a 3V to 12V input range and delivers 12V fixed output. However, the MAX734CPA+ has a narrower minimum input voltage specification (3V versus 2.7V) and a reduced operating temperature range (0°C to 70°C versus -40°C to 85°C). Output current capability is not specified in available documentation. The product status is listed as obsolete. Selection of this substitute should be limited to applications where the narrower input voltage and temperature ranges are acceptable.

Frequently Asked Questions (FAQ)

Q: Can the TPS6734IP directly replace the TPS6734IPG4 without board modifications?

A: Yes. The TPS6734IP is electrically and mechanically identical to the TPS6734IPG4. Both devices share the same pin configuration, package dimensions (8-DIP, 0.300" spacing), and electrical specifications. Direct substitution on existing PCBs is possible without design changes.

Q: What is the key difference between TPS6734IPG4 and TPS6734IP?

A: The primary difference is packaging format. The TPS6734IPG4 was supplied in standard packaging, while the TPS6734IP is supplied in tube packaging. Electrical performance and pin compatibility remain identical.

Q: Is the MAX734CPA+ suitable for all applications using the TPS6734IPG4?

A: The MAX734CPA+ is suitable only for applications where the minimum input voltage requirement is 3V or higher and the operating temperature range does not exceed 0°C to 70°C. Applications requiring operation below 3V input or below 0°C or above 70°C ambient temperature must use the TPS6734IP instead.

Q: What are the compliance certifications for substitute parts?

A: Both TPS6734IP and MAX734CPA+ are ROHS3 compliant and REACH unaffected, matching the compliance status of the original TPS6734IPG4.

Q: Why is output current not specified for the MAX734CPA+?

A: The MAX734CPA+ is documented as a flash memory voltage regulator with application-specific design. Output current capability is not provided in standard component documentation. Detailed specifications should be obtained from the manufacturer datasheet for critical current-dependent applications.